Daikin F803

Alarm
Logic		 If any of the following conditions is apply
1. Excessive arcing on compressor magnetic switch / Compressor connection disconnected
2. Failures are present in any 2 of HPT sensor, LPT sensor and DCHS sensor
3. E107 is generated twice due to EV opening error
Possible
Causes		 1. Excessive arcing on compressor magnetic switch / Compressor connection disconnected
2. Abnormal sensor / Controller failure / Wiring disconnected / Connector disconnected / short circuit
3. Refrigeration system restriction : Drier / Filter
  • Low on refrigerant
  • ISV malfunction / Restriction at ESV outlet line capillary / Mounting position of discharge gas temperature sensor
Trouble
Shooting		 1. Repair as needed
  • Check compressor motor coil opening / Check terminal / Check voltage
2. Refer alarm E405 (page 5-14) diagnosis 019 and E413,E415 diagnosis 020 (page 5-15) repair as needed3. Refer alarm diagnosis 011 (page 5-9) and repair as needed
Controller
Action		 F803 Unit stopped
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