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Details potential causes and solutions when the air conditioning unit fails to start or operate.
Covers troubleshooting for immediate shutdown issues during cooling or heating operations.
Addresses troubleshooting steps when the unit runs but does not deliver cooling.
Addresses troubleshooting steps when the unit runs but does not deliver heating.
Lists and describes error codes specific to indoor and outdoor units.
Provides detailed explanations for specific error codes, including diagnosis.
Details troubleshooting for indoor unit PCB abnormalities, including error detection and causes.
Covers troubleshooting for electronic expansion valve coil issues, including error detection and causes.
Addresses transmission errors between indoor unit PCB and fan PCB, including causes and detection methods.
Details potential causes and solutions when the air conditioning unit fails to start or operate.
Covers troubleshooting for immediate shutdown issues during cooling or heating operations.
Addresses troubleshooting steps when the unit runs but does not deliver cooling.
Addresses troubleshooting steps when the unit runs but does not deliver heating.
Lists and describes error codes specific to indoor and outdoor units.
Provides detailed explanations for specific error codes, including diagnosis.
Details troubleshooting for indoor unit PCB abnormalities, including error detection and causes.
Covers troubleshooting for electronic expansion valve coil issues, including error detection and causes.
Addresses transmission errors between indoor unit PCB and fan PCB, including causes and detection methods.
General| Brand | Daikin |
|---|---|
| Model | FH21NUV1 |
| Category | Air Conditioner |
| Language | English |
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