Fujitsu AS*G09KXCA Series Service Instruction
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Fujitsu AS*G09KXCA Series Service Instruction

Fujitsu AS*G09KXCA Series Service Instruction

Split type room air conditioner wall mounted type inverter
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SERVICE
INSTRUCTION
SPLIT TYPE
ROOM AIR CONDITIONER
WALL MOUNTED
INVERTER
Models
Indoor unit
AS*G09KXCA
AS*G12KXCA
type
Outdoor unit
AO*G09KXCA
AO*G12KXCA
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Summary of Contents for Fujitsu AS*G09KXCA Series

  • Page 1 SPLIT TYPE ROOM AIR CONDITIONER WALL MOUNTED type INVERTER SERVICE INSTRUCTION Models Indoor unit Outdoor unit AS*G09KXCA AO*G09KXCA AS*G12KXCA AO*G12KXCA...

  • Page 2: Table Of Contents

    CONTENTS 1. DESCRIPTION OF EACH CONTROL OPERATION 1. COOLING OPERATION....................01-01 2. HEATING OPERATION....................01-02 3. DRY OPERATION......................01-02 4. AUTO CHANGEOVER OPERATION................01-03 5. INDOOR FAN CONTROL....................01-05 6. OUTDOOR FAN CONTROL..................01-07 7. LOUVER CONTROL..................... 01-08 8. DUAL FAN CONTROL....................01-09 9.
  • Page 3 CONTENTS 3. APPENDING DATA 3. FUNCTION SETTING...................... 03-01 3-1 FUNCTION SETTING....................03-01 3-2 CUSTOM CODE SETTING FOR WIRELESS REMOTE CONTROLLER....03-05 3-3 SWITCHING THE TEMPERATURE UNIT OF REMOTECONTROLLER....03-06 4. WIRING DIAGRAMS....................... 03-07...
  • Page 4 WALL MOUNTED type INVERTER 1 . DESCRIPTION OF EACH CONTROL OPERATION...

  • Page 5: Cooling Operation

    1. COOLING OPERATION 1-1 COOLING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit body will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. * If the room temperature is 6.0°C higher than a set temperature, the compressor operation frequency will attain to maximum performance.

  • Page 6: Heating Operation

    2. HEATING OPERATION 2-1 HEATING CAPACITY CONTROL A sensor (room temperature thermistor) built in the indoor unit body will usually perceive difference or variation between a set temperature and present room temperature, and controls the operation frequency of the compressor. * If the room temperature is lower by 6.0°C than a set temperature, the compressor operation frequency will attain to maximum performance.

  • Page 7: Auto Changeover Operation

    4. AUTO CHANGEOVER OPERATION When the air conditioner is set to the Auto mode by remote controller, operation starts in the optimum mode from among the Heating, Cooling, and Monitoring mode. During operation, the optimum mode is automatically switched in accordance with temperature changes. The temperature can be set between 18°C and 30°C in 1.0°C steps.
  • Page 8 AUTO CHANGEOVER operation flow chart (Fig.4 Flow chart) START Setting temperature Monitor mode Room temp. Ts+2 °C ? Room temp. Ts -2 °C ? Middle zone Auto change over is second or more? Operation mode before the monitor mode is cooling mode? Operation mode of HEATING OPERATION...

  • Page 9: Indoor Fan Control

    5. INDOOR FAN CONTROL 1. Fan speed ( Table5 : Indoor Fan Speed ) ( Fig 5 : Dual Fan Speed ) Main Fan Dual Fan(Left Dual Fan)* Operation mode Air flow mode Speed (rpm) Speed (rpm) Air flow mode Heating Powerful 1570...
  • Page 10 5. HEATING OPERATION Switch the airflow [AUTO], and the indoor main fan motor will run according to a room temperature, as shown in Fig. 7. On the other hand, if switched in [Hi ] ~ [Quiet ], the indoor main fan motor will run at a constant airflow of [HEAT] operation modes Quiet - , Lo -, Me , Hi , as shown in Table5.

  • Page 11: Outdoor Fan Control

    6. OUTDOOR FAN CONTROL 1. Fan Speed (rpm) Zone Cooling Heating 840/ 820/ 740/ 660/ 620/ 450 740/ 620/ 450 840/ 820/ 500/ 450/ 410 1070/ 930/ 760/ 660/ 610/ 580/ 510/ 410 200/ 180 200/ 180 200/ 170 200/ 170 Refer to Fig.

  • Page 12: Louver Control

    7. LOUVER CONTROL 1. VERTICAL LOUVER CONTROL (Function Range) Each time the Vertical SET button is pressed, the air direction will change as follow: COOL or DRY mode HEAT mode *: Default setting At the biginning of AUTO or HEAT mode, they may stay on position 1 for a while for adjustment. If the angle is set to position 5 - 8 for more than 30 minutes in COOL or DRY mode, the louver will autmatically return to position 4.

  • Page 13: Dual Fan Control

    8. DUAL FAN CONTROL 1. DUAL FAN COMFORT The 2 types of airflow(cold/warm air from the main fan, and ambient temperature air from the dual fan) provide comfort through the room. This is recommended for those who do not like ordinary COOL/HEAT modes. In HEAT mode In COOL mode Side airflow reduces warm air...

  • Page 14: Compressor Control

    9. COMPRESSOR CONTROL 1. OPERATION FREQUENCY RANGE The operation frequency of the compressor is different based on the operation mode as shown in Table 8. Cooling Heating 15rps 63rps 15rps 128rps 15rps 22rps 2. OPERATION FREQUENCY CONTROL AT START UP The compressor frequency soon after the start-up is controlled as shown in Fig.12.

  • Page 15: Timer Operation Control

    10. TIMER OPERATION CONTROL 10-1 WIRELESS REMOTE CONTROLLER The Table 9 shows the available timer setting based on the product model. ( Table 9 : Timer setting ) ON TIMER / OFF TIMER PROGRAM TIMER SLEEP TIMER 1. ON TIMER / OFF TIMER OFF timer : When the clock reaches the set time, the air conditioner will be turned off.
  • Page 16 3. SLEEP TIMER If the sleep is set, the room temperature is monitored and the operation is stopped automatically. If the operation mode or the set temperature is change after the sleep timer is set, the operation is continued according to the changed setting of the sleep timer from that time ON. In the cooling operation mode When the sleep timer is set, the setting temperature is increased 1°C It increases the setting temperature another 1°C after 1 hour.

  • Page 17: Electronic Expansion Valve Control

    11. ELECTRONIC EXPANSION VALVE CONTROL The most proper opening of the electronic expansion valve is calculated and controlled under the present operating condition based on the Table10. The compressor frequency, the temperatures detected by the discharge temperature sensor, the indoor heat exchanger sensor, the outdoor heat exchanger sensor, and the outdoor temperature sensor.

  • Page 18: Four-Way Valve Extension Select

    14. FOUR-WAY VALVE EXTENSION SELECT At the time when the air conditioner is switched from the cooling mode to heating mode, the compressor is stopped, and the four-way valve is switched in 140 sec. later aftter the compressor Stopped. At the time when the compressor stopped during heating mode, the four-way valve position changes to the cooling position with certain period as follows.

  • Page 19: Compressor Preheating

    18. COMPRESSOR PREHEATING When the time erapsed 30 min, after compressor stopped, and whren the outdoor heat exchanger temperature sensor detects lower temperature, the preheating starts. When the operation starts, the preheating stops. The preheating does not oeprate when the system is stopped with Error of permanent stop. JUMPER (J600) removed 7°C 14°C...

  • Page 20: Defrost Operation Control

    21. DEFROST OPERATION CONTROL 1. CONDITION OF STARTING THE DEFROST OPERATION The defrost operation starts when the outdoor heat exchanger temperature sensor (Tn) detects the temperature lower than the values shown in Table15. ( Table 15 : Condition of starting Defrost Operation ) Compressor integrating operation time Defrosting (Normal) starting operation...
  • Page 21 3. Defrost Flow Chart The defrosting shall proceed by the integrating operation time, outdoor temperature and outdoor heat exchanger temperature as follows. Heating operation start : Compressor ON (Not defrosted for 10min.) Integrating defrost Normal defrost (Constant monitoring) Compressor integrating operation: Compressor Compressor...
  • Page 22 22. OFF DEFROST OPEARTION CONTROL When operation stops in the [Heating] mode, if frost is adhered to the outdoor unit heat exchanger, the defrost operation will proceed automatically. In this time, if indoor unit operation indicator flashes slowly (6 sec ON / 2 sec OFF), the outdoor unit will allow the heat exchanger to defrost, and then stop.

  • Page 23: Various Protections

    23. VARIOUS PROTECTIONS 1. DISCHARGE GAS TEMPERATURE OVERRISE PREVENSION CONTROL The discharge gas thermosensor (discharge thermistor : Outdoor side) will detect discharge gas temperature. When the discharge temperature becomes higher than Temperature , the compressor frequency is decreased 20rps, and it continues to decrease the frequency for 20rps every 120 seconds until the temperature becoms lower than Temperature .
  • Page 24 4. COOLING PRESSURE OVERRISE PROTECTION When the outdoor unit heat exchange sensor temperature rises to 65°C or greater the compressor is stopped.The compressor restarst after the 140 sec, erapsed (ST). and the temperature detection starts 60 sec. erapsed after compressor started. 5.

  • Page 25: Low Noise Operation

    24. LOW NOISE OPERATION The compressor speed and the outdoor unit fan speed are limited to reduce the operation noise by presssing “LOW NOISE” button on the remote controller. However, during the DEFROST OPERATION, the compressor operates by the speed for DEFROST OPERATION.

  • Page 26: Powerful Operation

    26. POWERFUL OPERATION The Powerful operation functions by pressing POWERFUL button on the remote controller. The indoor unit & outdoor unit will operate at maximum power as shown in Table 20. (Table 20) Powerful operation COMPRESSOR FREQUENCY Maximum FAN CONT. MODE Powerful SETTING LOUVER Cooling/ Dry : 4, Heating : 7...

  • Page 27: Wireless Lan

    29. WIRELESS LAN The operation with the wireless LAN is possible by using the wireless LAN adaptor (packaged with the manuals), and by performing the network setting. 3) Internet 4) Mobile device 1) Wireless LAN adaptor and Mobile app CLOUD 2) Wireless LAN router 1) Wireless LAN adaptor The adaptor is packaged with the manuals.
  • Page 28 WALL MOUNTED type INVERTER 2 . TROUBLESHOOTING...

  • Page 29: Indoor Unit Error Display

    2-1 INDOOR UNIT ERROR DISPLAY INDOOR UNIT LED INDICATOR Please refer the flashing pattern as follows. The OPERATION, TIMER and ECONOMY indicators operate as follows according to the error contents. OPERATION, TIMER indicator : 0.5s ON / 0.5s OFF (Flash) ECONOMY indicator: 0.1s ON / 0.1s OFF (Flash continuous) Indoor Unit Display Trouble...

  • Page 30: Wireless Lan Adapter Error Display

    2-2 WIRELESS LAN ADAPTER ERROR DISPLAY WIRELESS LAN ADAPTER INDICATOR Please refer the flashing pattern as follows. LED 1 (Green) LED 1 (green) and LED 2 (orange) operate as follow according to LED 2 (Orange) the error contents. *The status LED1(Green) ON: The communication bet ween the Indoor unit and the adaptor is normal. Wireless LAN adapter Indicator Trouble Error code...

  • Page 31: Mobile App Error Display

    2-3 MOBILE APP ERROR DISPLAY MOBILE APP ERROR DISPLAY If there is an abnormality on the air conditioning, you will see is as follows. When you tap the "Error button” on the home screen, Error Code and Error Name is displayed. For Android Error button AIR CINDITIONER ERROR...

  • Page 32: Mobile App Error Display (In Wireless Lan Control System)

    2-4 MOBILE APP ERROR DISPLAY (In Wireless LAN Control system) 1. ERROR DISPLAY If there is an abnormality on the Wireless LAN control system, you will see is as follows. Error messages will disappear at 5 seconds. Then retune to normal display. For Android For iOS Erro...
  • Page 33 Solutions Error messages Causes Could not register the The air conditioner is Enter the Wi-Fi setting on the device. Make sure the not connected to the mobile device, then check if the device is ready for router. SSID of the air conditioner registration.
  • Page 34 Registration Errors (For iOS) Error messages Causes Solutions You need an internet The user has disabled Enable Wi-Fi from the iOS connection to add new Wi-Fi on their mobile setting. devices. device. Could not register The mobile device Connect the mobile device same LAN device.
  • Page 35 Solutions Error messages Causes Could not register the The router the Check if the router connected to device. Make sure the air conditioner is the air conditioner has internet device is ready for connected to, has no access. (You can check by registration.
  • Page 36 General Errors (For Android) Solutions Error messages Causes No connectivity to Wi- The mobile device has Connect the mobile device to the Fi or the cloud. Please no internet access. internet. check your network connection. An error occurred while trying to update again later.
  • Page 37 General Errors (For iOS) Error messages Causes Solutions Failed to change The mobile device has Connect the mobile device to the password. no internet access. internet. Cloud not determine service reachability. Failed to update property. Could not retrieve schedules. The operation couldn’t be completed.

  • Page 38: Trouble Shooting With Error Code

    2-5 TROUBLE SHOOTING WITH ERROR CODE Indicate or Display: Trouble shooting 1 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator: 1 time Flash Serial Communication Error Timer indicator: 1 time Flash Economy indicator: Continuous Flash (Serial Reverse Transfer Error) Error code: [ E: 11 ] Detective Actuators: Detective details:...
  • Page 39 Indicate or Display: Trouble shooting 2 Indoor Unit : INDOOR UNIT Error Method: Operation indicator: 1 time Flash Serial Communication Error Timer indicator : 1 time Flash Economy indicator: Continuous Flash (Serial Forward Transfer Error) Error code: [ E: 11 ] Detective Actuators: Detective details: When the outdoor unit cannot properly receive the serial signal from...
  • Page 40 Indicate or Display: Trouble shooting 3 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator: 2 time Flash Combination error Timer indicator : 3 time Flash Economy indicator: Continuous Flash Error code: [ E: 23 ] Detective Actuators: Detective details: 1.
  • Page 41 Indicate or Display: Trouble shooting 4 Indoor unit: INDOOR UNIT Error Method: Operation indicator: 3 time Flash Power Supply Frequency Detection Error Timer indicator : 1 time Flash Economy indicator: Continuous Flash Error code: [ E: 31 ] Detective Actuators: Detective details: Indoor unit Controller PCB When power frequency is not detected by 15 seconds after power-on.
  • Page 42 Trouble shooting 5 Indicate or Display: INDOOR UNIT Error Method: Indoor Unit : Operation indicator : 3 time Flash Indoor Unit Model Information Error Timer indicator : 2 time Flash EEPROM Access Abnormal Economy indicator: Continuous Flash Error code: [ E: 32 ] Detective details: Detective Actuators: When power is on and there is some below case.
  • Page 43 Trouble shooting 6 Indicate or Display: INDOOR UNIT Error Method: Indoor Unit : Operation indicator: 3 time Flash Manual Auto Switch Error Timer indicator : 5 time Flash Economy indicator: Continuous Flash Error code: [ E: 35 ] Detective Actuators: Detective details: Indoor Unit Controller PCB When the Manual Auto Switch becomes ON for consecutive 30 or...
  • Page 44 Indicate or Display: Trouble shooting 7 INDOOR UNIT Error Method: Indoor Unit : Operation indicator : 4 time Flash Indoor Room Thermistor Error Timer indicator : 1 time Flash Economy indicator: Continuous Flash Error code: [ E: 41 ] Detective details: Detective Actuators: Indoor unit Controller PCB When Room temperature thermistor open or short-circuit is detected.
  • Page 45 Indicate or Display: Trouble shooting 8 Indoor Unit : INDOOR UNIT Error Method: Operation indicator: 4 time Flash Indoor Heat Ex. Thermistor Error Timer indicator : 2 time Flash Economy indicator: Continuous Flash Error code : [ E : 42 ] Detective Actuators: Detective details: Indoor unit Controller PCB...
  • Page 46 Trouble shooting 9 Indicate or Display: INDOOR UNIT Error Method: Indoor Unit : Operation indicator: 5 time Flash Indoor Fan Motor Lock Error Timer indicator : 1 time Flash Indoor Fan Motor Rev. Error Economy indicator: Continuous Flash Error code : [ E : 51 ] Detective Actuators: Detective details: ・When the condition that actual rev.
  • Page 47 Trouble shooting 10 Indicate or Display: INDOOR UNIT Error Method: Indoor Unit : Operation indicator: 5 time Flash Plasma air clean unit Vdd Error Timer indicator : 4 time Flash Economy indicator: Continuous Flash Error code : [ E : 54 ] Detective Actuators: Detective details: ・The air clean operation signal was detected for 1 minute at the time of...
  • Page 48 Trouble shooting 11 Indicate or Display: INDOOR UNIT Error Method: Indoor Unit : Operation indicator : 5 time Flash Filter set abnormal Timer indicator : 5 time Flash Economy indicator: Continuous Flash Error code : [ E : 55 ] Detective Actuators: Detective details: ・When the filter set postion was wrong.
  • Page 49 Trouble shooting 12 Indicate or Display: Indoor Unit : INDOOR UNIT Error Method: Operation indicator: 5 time Flash Side Fan Motor ( Left ) Lock Error Timer indicator : 9 time Flash Side Fan Motor ( Left ) Rev. Error Economy indicator: Continuous Flash Error code: [ E : 59 ] Detective Actuators:...
  • Page 50 Trouble shooting 13 Indicate or Display: INDOOR UNIT Error Method: Indoor Unit : Operation indicator: 5 time Flash Side Fan Motor ( Right ) Lock Error Timer indicator : 10 time Flash Side Fan Motor ( Right ) Rev. Error Economy indicator: Continuous Flash Error code : [ E : 5A ] Detective Actuators:...
  • Page 51 Trouble shooting 14 Indicate or Display: OUTDOOR UNIT Error Method: Indoor Unit : Operation indicator: 6 time Flash Outdoor unit main PCB model Timer indicator : 2 time Flash information error Economy indicator: Continuous Flash Error code: [ E : 62 ] Detective Actuators: Detective details: Access to EEPROM failed due to some cause after outdoor unit started.
  • Page 52 Trouble shooting 15 Indicate or Display: OUTDOOR UNIT Error Method: Indoor Unit : Operation indicator : 6 time Flash Trip terminal L error Timer indicator : 5 time Flash Economy indicator: Continuous Flash Error code : [ E : 65 ] Detective details: Detective Actuators: When the signal from FO terminal of IPM in Main PCB is "L"(=0V)
  • Page 53 Indicate or Display: Trouble shooting 16 OUTDOOR UNIT Error Method: Indoor Unit : Operation indicator: 7 time Flash Discharge Thermistor Error Timer indicator : 1 time Flash Economy indicator: Continuous Flash Error code : [ E : 71 ] Detective Actuators: Detective details: Outdoor unit Main PCB When Discharge pipe temperature thermistor open or short-circuit...
  • Page 54 Trouble shooting 17 Indicate or Display: OUTDOOR UNIT Error Method: Indoor Unit : Operation indicator: 7 time Flash Heat Ex. Liquid Outlet Thermistor Error Timer indicator : 3 time Flash Economy indicator: Continuous Flash Error code: [ E : 73 ] Detective Actuators: Detective details: Outdoor unit Main PCB...
  • Page 55 Indicate or Display: Trouble shooting 18 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator : 7 times Flash Outdoor Thermistor Error Timer indicator : 4 times Flash Economy indicator: Continuous Flash Error code : [ E: 74 ] Detective Actuators: Detective details: Outdoor unit Main PCB When Outdoor temperature thermistor open or short-circuit...
  • Page 56 Indicate or Display: Trouble shooting 19 Indoor Unit : OUTDOOR UNIT Error Method: Operation Inedicator: 8 times Flash Current Sensor Error Timer indicator : 4 times Flash Economy indicator: Continuous Flash Error code: [ E : 84 ] Detective details: Detective Actuators: When input current sensor has detected 0A, while Inverter compressor is Outdoor unit Main PCB...
  • Page 57 Indicate or Display: Trouble shooting 20 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator : 8 times Flash High Pressure Switch Error Timer indicator : 6 times Flash Economy indicator: Continuous Flash Error code: [ E : 86 ] Detective Actuators: Detective details: When pressure switch open is detected in 10 seconds...
  • Page 58 Indicate or Display: Trouble shooting 21 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator : 9 times Flash Timer indicator : 4 times Flash Trip detection Economy indicator: Continuous Flash Error code : [ E : 94 ] Detective details: Detective Actuators: "Protection stop by overcurrent generation after inverter compressor start Outdoor unit Main PCB...
  • Page 59 Indicate or Display: Trouble shooting 22 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator : 9 times Flash Compressor Control Error Timer indicator : 5 times Flash Economy indicator: Continuous Flash Error code : [ E : 95 ] Detective details: Detective Actuators: While running the compressor, if the detected rotor location is out of...
  • Page 60 Indicate or Display: Trouble shooting 23 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator : 9 times Flash Timer indicator : 7 times Flash Outdoor Unit Fan Motor Error Economy indicator: Continuous Flash Error code : [ E : 97 ] Detective details: Detective Actuators: When outdoor fan rotation speed is less than 100rpm in 20 seconds...
  • Page 61 Indicate or Display: Trouble shooting 24 OUTDOOR UNIT Error Method: Indoor Unit : Operation indicator : 9 times Flash 4-Way Valve Error Timer indicator : 9 times Flash Economy indicator: Continuous Flash Error code : [ E : 99 ] Detective Actuators: Detective details: When the indoor heat exchanger temperature is compared with...
  • Page 62 Indicate or Display: Trouble shooting 25 Indoor Unit : OUTDOOR UNIT Error Method: Operation indicator : 10 times Flash Discharge Temp. Error Timer indicator : 1 times Flash Economy indicator: Continuous Flash Error code : [ E : A1 ] Detective details: Detective Actuators: "Protection stop by "discharge temperature...
  • Page 63 Indicate of Display: Trouble shooting 26 INDOOR UNIT Error Method: Indoor Unit : Wireless LAN adapter : Operation indicator: 1 times Flash External Commun ication Error LED 1 (Green) : Flashing Fast Timerindicator : 8 times Flash LED 2 (Orange) : ON (Communication Error of between Indoor Economy indicator: Continuous Flash unit to Wireless LAN adapter)
  • Page 64 Trouble shooting 27 Indicate of Display: Indoor Unit : INDOOR UNIT Error Method: Wireless LAN adapter : Operation indicator: No indication LED 1 (Green) : Flashing Fast Wireless LAN adapter Error Timer indicator : No indication LED 2 (Orange) : Flashing Fast Economy indicator: Continuous Flash Error code : Detective Actuators:...
  • Page 65 Trouble shooting 28 Indicate of Display: Indoor Unit : INDOOR UNIT Error Method: Wireless LAN adapter : Operation indicator: No indication Network Communication Error LED 1 (Green) : ON Timer indicator : No indication LED 2 (Orange) : Flashing Fast (Commnunication Error of between Wireless Economy indicator: Continuous Flash LAN Router to Wireless LAN adapter)
  • Page 66 Trouble shooting 29 Indicate of Display: Indoor Unit : INDOOR UNIT Error Method: Wireless LAN adapter : Operation Indicator : 1 time Flash Communication Error LED 1 (Green) : Flashing Fast Timer indicator : 8 time Flash LED 2 (Orange) : Flashing Fast (”Trou.26”...
  • Page 67 CONTINUATION Check Point 3-2 : Check the connection Check any loose or removed connection of between the Wireless LAN adapter PCB and Controller PCB >If there is abnormal condition, correct it. Check the connection condition on the Controller PCB >If there is loose connector, open cable or miswiring, correct it. Check Point 4 : Replace Wireless LAN adapter 　...
  • Page 68 Trouble shooting 30 Indicate of Display: Indoor Unit : INDOOR UNIT Error Method: Wireless LAN adapter : Operation indicator: 1 time Flash LED 1 (Green) : OFF Wireless LAN adapter Non-Energized Timer indicator : 8 time Flash LED 2 (Orange) : OFF Economy indicator: Continuous Flash Error code : [ E : 18 ] Detective Actuators:...
  • Page 69 Trouble shooting 31 Indicate of Display: INDOOR UNIT Error Method: Indoor Unit : Wireless LAN adapter : Operation lamp: No indication LED 1 (Green) : OFF Wireless LAN adapter Sleep mode Timer lamp : No indication LED 2 (Orange) : OFF ERROR CODE : [ No indication ] Detective Actuators: Detective details:...
  • Page 70 Air Conditioning De-registration Method If you replace the Wireless LAN adapter, you will need to conditioner information on the App. de-register all of the Unregister method is as follows. Launch the mobile app(FGL air). FGL air Please long-push the registered “Device name”...
  • Page 71 Air conditioner registration Paring Method Choose from the following modes to connect your Air conditioner to your Wireless LAN router. Note:  Before starting this setting, wait for 60 seconds or more after the power supply is connected to the air conditioner (via breaker or plug). ...

  • Page 72: Trouble Shooting With No Error Code

    2-6 TROUBLE SHOOTING WITH NO ERROR CODE Forecast of Cause: Trouble shooting 32 1. Power Supply failure 2. External cause Indoor Unit - No Power 3. Electrical Components defective Check Point 1 : Check Installation Condition Isn’t the breaker down? Check loose or removed connection cable.
  • Page 73 Forecast of Cause: Trouble shooting 33 1. Power Supply failure 2. External cause Outdoor Unit - No Power 3. Electrical Components defective Check Point 1 : Check Installation Condition Isn’t the breaker down? Check loose or removed connection cable. >>If abnormal condition is found, correct it by referring to Installation Manual or Data &...
  • Page 74 Forecast of Cause: Trouble shooting 34 1. Setting/ Connection failure 2. External cause No Operation (Power is ON) 3. Electrical Component defective Check Point 1 : Check indoor and outdoor installation condition Indoor Unit - Check incorrect wiring between Indoor Unit - Remote Control. Or, check if there is an open cable connection.
  • Page 75 Forecast of Cause: Trouble shooting 35 1. Indoor Unit error 2. Outdoor Unit error No Cooling / No Heating 3. Effect by Surrounding environment 4. Connection Pipe / Connection Wire failure 5. Refrigeration cycle failure Check Point 1 : Check Indoor Unit Does Indoor unit FAN run on HIGH FAN? Is Air Filter dirty? Is Heat Exchanger clogged?
  • Page 76 Forecast of Cause : Trouble shooting 36 1. Abnormal installation (Indoor/ Outdoor) Abnormal Noise 2. Fan failure (Indoor/ Outdoor) 3. Compressor failure (Outdoor) Diagnosis method when Abnormal Noise is occurred Abnormal noise is coming from Indoor Unit. Abnormal noise is coming from Outdoor Unit. (Check and correct followings) (Check and correct followings) Is Main Unit installed in stable condition?

  • Page 77: Service Parts Information

    2-7 SERVICE PARTS INFORMATION SERVICE PARTS INFORMATION 1 Compressor Diagnosis method of Compressor ( If Outdoor Unit LED displays Error, refer to Trouble shooting ) Abnormal noise Stops soon after starting up Does not start up Is there open or loose connection Is there open or loose connection Check if vibration noise by cable?
  • Page 78 SERVICE PARTS INFORMATION 2 Inverter Compressor Check Point 1 : Check connection Check terminal connection of Compressor Check connection of compressor terminals (Loose or incorrect wiring) (Loose or incorrect wiring) (BLACK) (WHITE) Main PCB W400 W401 W402 Main PCB BLACK WHITE Compressor (RED)
  • Page 79 SERVICE PARTS INFORMATION 3 Outdoor unit Electronic Expansion Valve ( EEV ) Check Point 1 : Check Connections Check connection of connector ( Loose connector or open cable ) EXPANSION VALVE COIL BLUE ORANGE YELLOW WHITE Check Point 2 : Check Coil of EEV Check Point 3 : Check Voltage from Main PCB.
  • Page 80 SERVICE PARTS INFORMATION 4 Indoor unit fan motor Check Point 1 : Check rotation of Fan Rotate the fan by hand when operation is off. (Check if fan is caught, dropped off or locked motor) >>If Fan or Bearing is abnormal, replace it. Check Point 2 : Check resistance of Indoor Fan Motor Refer to below.
  • Page 81 SERVICE PARTS INFORMATION 6 Main PCB (IPM Check) Check Point 1 Disconnect the connection wires between the Main PCB - Compressor. Set the tester to the "Resistance" mode, and measure the resistance between the following terminals. TM301 (P) - W400(S) / W401(R) / W402(C) TM302 (N) - W400(S) / W401(R) / W402(C) *Make sure that the compresor wires are not short-circuit during the measuring.

  • Page 82: Appending Data

    WALL MOUNTED type INVERTER 3 . APPENDING DATA...

  • Page 83: Function Setting

    3. FUNCTION SETTING To adjust the functions of this product according to the installation environment, various types of function settings are available. NOTE: Incorrect settings can cause a product malfunction. 3-1 Function settings by using remote controller Some function settings can be changed on the remote controller. After confirming the setting proce- dure and the content of each function setting, select appropriate functions for your installation envi- ronment.
  • Page 84 Contents of function setting Each function setting listed in this section is adjustable in accordance with the installation environ- ment. NOTE: Setting will not be changed if invalid numbers or setting values are selected. Function setting list Function no. Functions Filter clean operation interval Left/right swing operation range Room temperature control for indoor unit sensor...
  • Page 85 3) Room temperature control for indoor unit sensor Depending on the installed environment, correction of the room temperature sensor may be re- quired. Select the appropriate control setting according to the installed environment. The temperature correction values show the difference from the Standard setting "00" (manufactur- er’s recommended value).
  • Page 86 6) Indoor unit fan control for energy saving for cooling Enables or disables the power-saving function by controlling the indoor unit fan rotation when the outdoor unit is stopped during cooling operation. Function number Setting value Setting description Factory setting l l o 00: When the outdoor unit is stopped, the indoor unit fan operates continuously following the setting on the remote controller.

  • Page 87: Custom Code Setting For Wireless Remote Controller

    3-2 Custom code setting for wireless remote controller To interconnect the air conditioner and the wireless remote controller, assignment of the custom code for the wireless remote controller is required. NOTE: Air conditioner cannot receive a signal if the air conditioner has not been set for the custom code.

  • Page 88: Switching The Temperature Unit Of Remotecontroller

    3-3 Switching the temperature unit of remote controller Displayed temperature unit on the remote controller LCD can be switched between °C (Celsius) and °F (Fahrenheit). To change temperature unit, do as follows: Press the TEMP. (Up) button ( ) for at least 5 seconds to display the current temperature unit.

  • Page 89: Wiring Diagrams

    4. WIRING DIAGRAMS INDOOR UNIT Main PC board Sub PC board OUTDOOR UNIT 03-07...
  • Page 90 WALL MOUNTED type INVERTER 4. DISASSEMBLY PROCESS...
  • Page 91 4-1 DISASSEMBLY PROCESS ( INDOOR UNIT ) Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 1. Air Filter and dust box removal Start from opening the Intake grille.
  • Page 92 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 4. Front panel removal Start from removing Intake grille. 1. Remove the screws. ( 7 places ) 2.
  • Page 93 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 6. Filter PCB removal Start from opening the Control box. 1. Remove the screws 2.
  • Page 94 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 10. Switch PCB removal Start from removing the Front panel. 1. Push the hooks. ( 2 places ) 2. Push the hook. 3.
  • Page 95 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 13. Human Sensor removal Start from opening Control box. 1. Release cables. 2. Release top shaft and bottom shaft from holder. 3.
  • Page 96 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 16. Side fan removal Start from removing Front panel and Under cover. Side fan ( Left ) removal 1.
  • Page 97 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. Start from removing Front panel and Under cover. Side fan ( Right ) removal 1.
  • Page 98 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 17. Main frame removal Start from removing Side fans. 1. Disconnect the connectors of Main PCB. ( CN3 / CN17 / CN42 ) 2.
  • Page 99 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 22. Casing removal Start from removing Side cover. 1. Remove the screws and pipe stopper. ( 2 places ) Hooks ( 2 places ) 2.
  • Page 100 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 19. Room temperature thermistor removal Start from removing rail cover. 1. Disconnect the connector 2.
  • Page 101 Before servicing the unit, turnings off all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 23. Fan motor removal Start from removing Casing. 1. Remove the screw and holder. 2.
  • Page 102 4-2 DISASSEMBLY PROCESS ( OUTDOOR UNIT ) Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 1. Top panel removal 1. Remove the screws ( 6 places ). Left side view.
  • Page 103 Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 4. Inverter PCB removal Start from removing Front panel and Valve and swtich cover. 1.
  • Page 104 Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 5. Fan motor removal Start from opening the Front panel. 1. Remove the Electric box cover and release cables from cable guide. 2.
  • Page 105 Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 7. Thermistor removal Start from removing the Side panel. Outdoor temperature thermistor removal 1. Disconnect the connector. ( P5 / White ) 2.
  • Page 106 Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 8. Solenoid coil removal Start from removing the Front panel. 1. Disconnect the connector. ( P60 / Black ) 2.
  • Page 107 Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 10. Compressor removal Precautions for exchange of compressor. Do not allow moisture or debris to get inside refrigerant pipes during work. Procedure for compressor removal.
  • Page 108 Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. 3. Remove the Hex socket screw 4. Remove the connectors. and compressor terminal cover. [ R : White, S : Red, C : Black ] Tips! Remove the Compressor bolts anticlockwise direction.
  • Page 109 Before servicing the unit, turnings of all power supplies. Then, do not touch the electric parts for 10 minutes due to the risk of electric shock. Procedure for compressor installation. Reverse procedure to removing the compressor. Precautions for compressor installation. (1) When welding, do not apply the flame to the terminal.
  • Page 110 3-3-17,Suenaga,Takatsu-ku,Kawasaki 213-8502,Japan Dec. 2016 Printed in Japan...

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