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General| Brand | Daikin |
|---|---|
| Model | FBQ71B7V3B x 2 |
| Category | Air Conditioner |
| Language | English |
Lists all compatible outdoor and indoor units for the SkyAir Series.
Summarizes common operational symptoms and their corresponding troubleshooting measures.
Details potential causes and solutions when the equipment fails to operate.
Explains troubleshooting steps for operations that start and then stop prematurely.
Details troubleshooting for units that run but fail to cool.
Troubleshooting steps for abnormal noise or vibration during operation.
Describes the process of performing self-diagnosis using the remote controller.
Lists and describes various error codes related to the indoor unit.
Troubleshooting for error code A0 related to external protection devices.
Addresses error code A1 concerning abnormalities in the indoor unit PCB.
Covers error code A6 concerning indoor unit fan motor abnormalities or locks.
Troubleshooting for error code A9 related to abnormalities in the electronic expansion valve coil.
Covers error code C1 for transmission errors between indoor unit PCB and fan PCB.
Troubleshooting for error code E1 related to outdoor unit PCB abnormalities.
Addresses error code E5 related to compressor motor lock.
Addresses error code F6 related to refrigerant overcharging.
Covers error code H4 for low pressure sensor system abnormalities.
Troubleshooting for error code U0 related to refrigerant shortage.
Covers error code U1 related to reverse phase.
Addresses error code U4 or UF for transmission errors between indoor and outdoor units.
Troubleshooting for error code UF concerning mis-connections of field wiring.
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