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General| Model | R42NUY1 |
|---|---|
| Category | Air Conditioner |
| Cooling Capacity | 4.2 kW |
| Refrigerant | R32 |
| Outdoor Unit Weight | 32 kg |
| Power Supply | 220-240V, 50Hz |
General overview of common symptoms and corresponding troubleshooting measures.
Troubleshooting steps for when the equipment fails to start or operate.
Diagnosing issues where the indoor fan runs but the compressor is inactive.
Troubleshooting for operations that start briefly and then stop unexpectedly.
Steps to diagnose and fix problems where the unit runs but doesn't cool.
Steps to diagnose and fix problems where the unit runs but doesn't heat.
Detailed steps for performing self-diagnosis using the remote controller.
List and explanation of various error codes displayed by the remote controller.
In-depth descriptions and diagnostic information for specific error codes.
Diagnosing and resolving issues related to indoor unit PCB abnormalities (Error A1).
Diagnosing and resolving indoor unit fan motor abnormalities (Error A6).
Troubleshooting for abnormalities in the electronic expansion valve coil (Error A9).
Diagnosing and fixing capacity setting abnormalities (Error AJ).
Diagnosing abnormalities related to various thermistors (Errors C4, C5, C9).
Diagnosing issues related to the actuation of safety devices (Error E0).
Diagnosing and resolving outdoor unit PCB abnormalities (Error E1).
Troubleshooting high pressure system abnormalities (Error E3).
Diagnosing low pressure system abnormalities (Error E4).
Troubleshooting compressor overcurrent faults (Error E6).
Diagnosing abnormalities related to various thermistors (Errors H9, J3, J5, J6, J7, J8).
Diagnosing and resolving outdoor unit PCB abnormalities (Error L1).
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