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General| Category | Air Conditioner |
|---|---|
| Model | FHYK45FJV1 |
| Cooling Capacity | 4.5 kW |
| Heating Capacity | 5.0 kW |
| Power Supply | 220-240 V, 50 Hz |
| Refrigerant | R32 |
Troubleshooting steps for when the equipment fails to operate.
Diagnoses why the indoor unit fan runs but the compressor does not operate.
Troubleshooting steps for cooling/heating operations that start and stop abruptly.
Details on how to perform self-diagnosis using the remote controller.
Lists and explains various error codes for indoor and outdoor units.
Provides detailed explanations and diagnostic steps for specific error codes.
Diagnoses and resolves errors related to external protection devices.
Addresses issues concerning abnormalities in the indoor unit PCB.
Diagnoses abnormalities related to the drain water level system.
Details troubleshooting for indoor unit fan motor abnormalities.
Troubleshoots fan motor lock or overload conditions.
Addresses swing flap motor abnormalities and lock conditions.
Diagnoses issues related to abnormal power supply voltage.
Covers abnormalities in the electronic expansion valve coil.
Diagnoses abnormalities within the drain system.
Addresses issues when the drain level exceeds the limit.
Resolves issues related to incorrect capacity settings.
Resolves transmission errors between indoor PCB and fan PCB.
Addresses transmission errors between indoor PCB and adaptor PCB.
Diagnoses abnormalities related to C4, C5, and C9 thermistors.
Resolves issues from defective combinations between indoor PCB and fan PCB.
Addresses abnormalities in the humidity sensor system.
Diagnoses abnormalities with the remote controller thermistor.
Covers issues related to safety device actuation.
Addresses activation of outdoor unit protection devices.
Diagnoses abnormalities with the outdoor unit PCB.
Resolves issues related to high pressure system abnormalities.
Addresses abnormally high pressure levels indicated by HPS.
Diagnoses high pressure abnormalities detected by HPS.
Covers issues related to high pressure switch actuation.
Diagnoses abnormalities in the low pressure system.
Addresses issues with pressure sensor actuation.
Covers abnormalities in the low pressure sensor system.
Addresses issues with low pressure sensor actuation.
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