PACD011001C2
Table of Contents vii
5. Troubleshooting (Inverter)...................................................................382
5.1 Outdoor Unit: Malfunction of Inverter Radiating
Fin Temperature Rise...........................................................................382
5.2 Outdoor Unit: Inverter Instantaneous Over-Current .............................383
5.3 Outdoor Unit: Inverter Thermostat Sensor, Compressor Overload......384
5.4 Outdoor Unit : Inverter Stall Prevention, Compressor Lock ................385
5.5 Outdoor Unit: Malfunction of Transmission
between Inverter and Control PC Board ..............................................386
5.6 Power Supply Insufficient or Instantaneous Failure .............................387
5.7 Outdoor Unit: Inverter Over-Ripple Protection .....................................388
5.8 Outdoor Unit: Malfunction of Inverter Radiating
Fin Temperature Rise Sensor ..............................................................389
6. Troubleshooting (OP: Central Remote Controller)..............................390
6.1 Malfunction of Transmission
between Central Remote Controller and Indoor Unit ...........................390
6.2 PC Board Defect ..................................................................................391
6.3 Malfunction of Transmission between Optional Controllers
for Centralised Control .........................................................................392
6.4 Improper Combination of Optional Controllers
for Centralised Control .........................................................................393
6.5 Address Duplication, Improper Setting.................................................394
7. Troubleshooting (OP: Schedule Timer)...............................................395
7.1 Malfunction of Transmission
between Central Remote Controller and Indoor Unit ...........................395
7.2 PC Board Defect ..................................................................................396
7.3 Malfunction of Transmission between Optional Controllers
for Centralised Control .........................................................................397
7.4 Improper Combination of Optional Controllers
for Centralised Control .........................................................................398
7.5 Address Duplication, Improper Setting.................................................399
8. Troubleshooting (OP: Unified ON/OFF Controller) .............................400
8.1 Operation Lamp Blinks.........................................................................400
8.2 Display “Under Host Computer Integrate Control” Blinks
(Repeats Single Blink)..........................................................................401
8.3 Display “Under Host Computer Integrate Control” Blinks
(Repeats Double Blink) ........................................................................403
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1. Product Outline ...................................................................................408
1.1 Year 2001 Models Using New Refrigerant...........................................408
1.2 Outline of New Series Products ...........................................................409
1.3 Model Configuration and Combination.................................................411
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1. Outdoor Unit Refrigerant System Diagram .........................................414
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