Table of Contents
Display Function
Self-diagnosis Function
Error Indicator
• The function is to self-diagnoisis airconditioner and express the troubles identifically if there is any trouble.
• Error mark is ON/OFF for the operation LED of evaporator body in the same manner as the following table.
• If more than two troubles occur simultaneously, primarily the highest trouble fo error code is expressed.
• After error occurrence, if error is released, error LED is also released simultaneously.
• To operate again on the occurrence of error code, be sure to turn off the power and then turn on.
• Having or not of error code is different from Model.
Error
Code
(Indoor body operation LED)
(once)
1
3sec
(twice)
2
3sec
5
8
9
10
11
(1times)
13
3sec
(1times)
14
3sec
Operation Indicator
• Cooling, Soft Dry, Fan, Heating
Sleep Timer Indicator
• Sleep Mode
Timer Indicator
• Timer Mode
Defrot Indicator
• Hot-start, Defrost
Error LED
3sec
3sec
3sec
(5times)
3sec
(8times)
3sec
(9times)
3sec
(10times)
3sec
(11times)
3sec
(3times)
3sec
3sec
(4times)
3sec
3sec
Error contents
• Indoor temperature thermistor open/short.
• Indoor pipe temperature thermistor
open/short.
• Outdoor temperature thermistor
open/short.
• Outdoor pipe temperature thermistor open/short.
• Poor communication
• CT / Current error
• DC Peak
• DC low voltage
• High pressure/Instantaneous power
failure
• Overload combination
• Discharge pipe temperature
overheating
-34-
SVC check point
• Indoor TH ass'y check
• Outdoor TH ass'y check
• Communication line/circuit
• Main PCB CT check
• Wiring and PWM cable check
• Excessive amount of refrigerant
• Blocking condenser
• Outdoor wiring check
• Pressure check
• Main power check
• Indoor unit combination check
• Refrigerant leakage
• Check refrigeration cycle
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Troubleshooting
