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General| Brand | Daikin |
|---|---|
| Model | FCQ71C7VEB x 2 |
| Category | Air Conditioner |
| Language | English |
Lists potential causes and steps for when the equipment fails to operate.
Addresses issues where the indoor fan runs, but the compressor does not.
Troubleshoots cooling/heating cycles that start and then stop unexpectedly.
Explains why the unit might not restart immediately after shutdown.
Details troubleshooting for units that run but do not provide cooling.
Details troubleshooting for units that run but do not provide heating.
Lists and describes various error codes for indoor and outdoor units.
Addresses abnormalities detected in the indoor unit's PCB.
Troubleshoots issues related to the drain water level system.
Addresses abnormalities detected in the indoor unit's fan motor.
Troubleshoots issues caused by abnormal power supply voltage.
Addresses abnormalities detected in the electronic expansion valve coil.
Troubleshoots general abnormalities within the drain system.
Troubleshoots abnormalities related to capacity settings.
Addresses transmission errors between the indoor unit PCB and the fan PCB.
Troubleshoots transmission errors between the indoor unit PCB and the adaptor PCB.
Identifies defective combinations between indoor unit PCB and fan PCB.
Discusses the actuation of various safety devices.
Addresses the activation of outdoor unit protection devices.
Troubleshoots abnormalities related to the high-pressure system.
Discusses the actuation of the high-pressure switch.
Discusses the actuation of pressure sensors.
Addresses the actuation of low-pressure sensors.
Troubleshoots abnormalities detected in the low-pressure system.
Addresses issues related to compressor motor lock.
Troubleshoots compressor overcurrent conditions.
Addresses abnormalities detected in the outdoor unit's fan motor.
Troubleshoots abnormalities detected in the electronic expansion valve.
Addresses abnormalities detected in the electronic expansion valve coil.
Troubleshoots issues related to excessive refrigerant charging.
Addresses abnormalities detected in the high-pressure switch.
Troubleshoots abnormalities related to the high-pressure switch system.
Addresses abnormalities detected in the low-pressure sensor system.
Troubleshoots abnormalities related to the outdoor unit fan motor signal.
Addresses abnormalities detected in the pressure sensor.
Troubleshoots abnormalities detected in the current sensor system.
Addresses abnormalities detected in the discharge pipe thermistor system.
Troubleshoots abnormalities detected in the suction pipe thermistor.
Addresses abnormalities detected in the heat exchanger thermistor system.
Troubleshoots abnormalities detected in the liquid pipe thermistor.
Details abnormalities detected in the outdoor unit's PCB.
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