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General| Brand | Daikin |
|---|---|
| Model | RY100FUVAL |
| Category | Air Conditioner |
| Language | English |
Details the process of using the remote controller for self-diagnosis, including error code display and clearing history.
Provides a comprehensive list of error codes for indoor units, their descriptions, and applicable models.
Troubleshooting steps for error A0, related to the external protection device and its connection or settings.
Diagnoses issues related to the indoor unit PCB abnormality (A1), potentially caused by PCB defects or noise.
Troubleshooting for drain water level abnormalities (A3), focusing on float switches, drain pumps, and piping.
Covers fan motor abnormalities (A6) in the indoor unit, including checks for wiring, connectors, and motor function.
Addresses fan motor lock or overload conditions (A6), detailing troubleshooting for foreign matter and motor issues.
Troubleshooting for swing flap motor issues (A7), including lock conditions and limit switch checks.
Diagnoses abnormal power supply voltage (A8) affecting the fan motor, related to voltage fluctuations or wiring defects.
Troubleshooting for electronic expansion valve coil abnormalities (A9), checking coil, PCB, and cable connections.
Addresses drain system abnormalities (AF), focusing on float switches, drain piping, and PCB issues.
Troubleshooting for drain level exceeding limits (AF), checking drain piping defects and humidifier unit leaks.
Covers capacity setting abnormalities (AJ), relating to PCB memory, adaptor connections, and model compatibility.
Diagnoses transmission errors (C1) between indoor PCB and fan PCB, checking connectors and field settings.
Troubleshooting transmission errors (C1) between indoor PCB and adaptor PCB, focusing on connection and PCB issues.
Addresses thermistor abnormalities (C4, C5, C9) due to disconnection, short circuits, or PCB defects.
Diagnoses defective combinations (C6) between indoor PCB and fan PCB, checking PCB types and settings.
Troubleshooting humidity sensor system abnormalities (CC), checking sensors, wiring, and PCB.
Covers remote controller thermistor abnormalities (CJ), due to defective thermistors or wiring.
Troubleshoots safety device actuation (E0), checking PCB, harness, stop valves, and refrigerant piping.
Addresses outdoor unit protection device activation (E0), examining connectors, fan motor, and power supply.
Diagnoses outdoor unit PCB abnormalities (E1), checking E2PROM data and external factors like noise.
Covers high pressure system abnormalities (E3), related to switches, harnesses, connectors, and PCB.
Troubleshooting abnormally high pressure levels (E3/HPS), checking connections, continuity, and refrigerant.
Addresses high pressure abnormalities (E3/HPS), focusing on switches, harnesses, connectors, and refrigerant piping.
Diagnoses high pressure switch actuation (E3), checking stop valves, HPS continuity, and pressure levels.
Covers low pressure system abnormalities (E4), related to switches, harnesses, connectors, and refrigerant piping.
Troubleshooting pressure sensor actuation (E4), checking stop valves, PCB connections, and sensor characteristics.
Addresses low pressure sensor actuation (E4) for specific models, checking connections and sensor characteristics.
Diagnoses low pressure system abnormalities (E4) for specific models, checking stop valves and wiring.
Covers compressor motor lock (E5), focusing on wiring, inverter PCB, and stop valve issues.
Troubleshooting compressor overcurrent (E6), related to high pressure, voltage drop, and stop valves.
Addresses outdoor unit fan motor abnormalities (E7), checking supply voltage, connectors, foreign matter, and resistance.
Covers electronic expansion valve abnormalities (E9), checking connections, coil resistance, and PCB.
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