Daikin VRV RXYQ72-384XAYCA Service Manual page 228

Troubleshooting by Error Code
Error code
E7 - 01 Fan motor M1F lock (Master)
E7 - 02 Fan motor M2F lock (Master)
E7 - 05 Fan motor M1F momentary overcurrent (Master)
E7 - 06 Fan motor M2F momentary overcurrent (Master)
E7 - 09 Fan motor M1F IPM error (Master)
E7 - 10
Fan motor M2F IPM error (Master)
E7 - 13 Fan motor M1F lock (Slave 1)
E7 - 14
Fan motor M2F lock (Slave 1)
E7 - 17 Fan motor M1F momentary overcurrent (Slave 1)
E7 - 18 Fan motor M2F momentary overcurrent (Slave 1)
E7 - 21 Fan motor M1F IPM error (Slave 1)
E7 - 22 Fan motor M2F IPM error (Slave 1)
E7 - 25 Fan motor M1F lock (Slave 2)
E7 - 26 Fan motor M2F lock (Slave 2)
E7 - 29
Fan motor M1F momentary overcurrent (Slave 2)
E7 - 30 Fan motor M2F momentary overcurrent (Slave 2)
E7 - 33
Fan motor M1F IPM error (Slave 2)
E7 - 34 Fan motor M2F IPM error (Slave 2)
E9 - 01 Electronic expansion valve coil (Y1E) error (Master)
E9 - 03 Electronic expansion valve coil (Y2E) error (Master)
E9 - 04 Electronic expansion valve coil (Y3E) error (Master)
E9 - 05 Electronic expansion valve coil (Y1E) error (Slave 1)
E9 - 06 Electronic expansion valve coil (Y2E) error (Slave 1)
E9 - 07
Electronic expansion valve coil (Y3E) error (Slave 1)
E9 - 08 Electronic expansion valve coil (Y1E) error (Slave 2)
E9 - 09
Electronic expansion valve coil (Y2E) error (Slave 2)
E9 - 10 Electronic expansion valve coil (Y3E) error (Slave 2)
E9 - 20 Defective electronic expansion valve coil (Y1E) (Master)
E9 - 21 Defective electronic expansion valve coil (Y1E) (Slave 1)
E9 - 22 Defective electronic expansion valve coil (Y1E) (Slave 2)
E9 - 23 Defective electronic expansion valve coil (Y2E) (Master)
E9 - 24 Defective electronic expansion valve coil (Y2E) (Slave 1)
E9 - 25 Defective electronic expansion valve coil (Y2E) (Slave 2)
E9 - 26 Electronic expansion valve coil (Y4E) error (Master)
E9 - 27
Electronic expansion valve coil (Y4E) error (Slave 1)
E9 - 28 Electronic expansion valve coil (Y4E) error (Slave 2)
E9 - 29
Electronic expansion valve coil (Y5E) error (Master)
E9 - 32 Electronic expansion valve coil (Y7E) error (Master)
E9 - 34 Electronic expansion valve coil (Y5E) error (Slave 1)
E9 - 37 Electronic expansion valve coil (Y7E) error (Slave 1)
E9 - 39 Electronic expansion valve coil (Y5E) error (Slave 2)
E9 - 42 Electronic expansion valve coil (Y7E) error (Slave 2)
E9 - 44 Defective electronic expansion valve coil (Y3E) (Master)
E9 - 45
Defective electronic expansion valve coil (Y3E) (Slave 1)
E9 - 46 Defective electronic expansion valve coil (Y3E) (Slave 2)
F3 - 01
Discharge pipe high temperature error (Master)
F3 - 03 Discharge pipe high temperature error (Slave 1)
F3 - 05 Discharge pipe high temperature error (Slave 2)
F3 - 20 Compressor overheat error (Master)
F3 - 21 Compressor overheat error (Slave 1)
F3 - 22 Compressor overheat error (Slave 2)
221
Error Description
Troubleshooting
Make a diagnosis of the fan motor of the relevant unit
based on the following.
Fan motor lock: 01, 02, 13, 14, 25, 26
Momentary overcurrent: 05, 06, 17, 18, 29, 30
IPM error: 09, 10, 21, 22, 33, 34
Refer to the E9 flowchart and make a diagnosis of the
relevant electronic expansion valve of the relevant unit
based on the Error code shown to the left.
Refer to the F3 flowchart and make a diagnosis of the
relevant unit based on the Error code shown to the left.
SiUS342004EB
Diagnosis
Part 6 Service Diagnosis