Table of Contents
4. Failure Diagnosis for Inverter System .................................................192
5. Troubleshooting (Inverter)...................................................................194
6. Troubleshooting (OP: Central Remote Controller) ..............................202
7. Troubleshooting (OP: Schedule Timer)...............................................207
8. Troubleshooting (OP: Unified ON/OFF Controller) .............................212
136
between Remote Controller and Indoor Unit ........................................184
3.30 Malfunction of Transmission between Outdoor Units...........................185
between Master and Slave Remote Controllers...................................186
between Indoor and Outdoor Units in the Same System .....................187
3.33 Excessive Number of Indoor Units .......................................................188
3.34 Address Duplication of Central Remote Controller...............................189
3.35 Refrigerant System not set, Incompatible Wiring/Piping ......................190
4.1 Points of Diagnosis...............................................................................192
4.2 How to use the Monitor Switch on the Inverter PC Board ....................193
Fin Temperature Rise...........................................................................194
5.2 Outdoor Unit: Inverter Instantaneous Over-Current .............................195
5.4 Outdoor Unit: Inverter Stall Prevention, Compressor Lock ..................197
between Inverter and Control PC Board ..............................................198
5.6 Power Supply Insufficient or Instantaneous Failure .............................199
5.7 Outdoor Unit: Inverter Over-Ripple Protection .....................................200
Fin Temperature Rise Sensor ..............................................................201
between Central Remote Controller and Indoor Unit ...........................202
6.2 PC Board Defect ..................................................................................203
for Centralised Control .........................................................................205
6.5 Address Duplication, Improper Setting.................................................206
between Central Remote Controller and Indoor Unit ...........................207
7.2 PC Board Defect ..................................................................................208
for Centralised Control .........................................................................210
7.5 Address Duplication, Improper Setting.................................................211
8.1 Operation Lamp Blinks .........................................................................212
(Repeats Single Blink)..........................................................................213
(Repeats Double Blink) ........................................................................215
Troubleshooting Urban Multi "MX1, ME1 Series" Using R-22
PACD011001C2
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Troubleshooting
