Daikin Aurora Series Service Manual page 170

Symptom-based Troubleshooting
Error code
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)
Electronic expansion valve coil (Y1E) error
E9 - 05
(Slave 1)
Electronic expansion valve coil (Y2E) error
E9 - 06
(Slave 1)
Electronic expansion valve coil (Y3E) error
E9 - 07
(Slave 1)
Electronic expansion valve coil (Y1E) error
E9 - 08
(Slave 2)
Electronic expansion valve coil (Y2E) error
E9 - 09
(Slave 2)
Electronic expansion valve coil (Y3E) error
E9 - 10
(Slave 2)
Defective electronic expansion valve coil (Y1E)
E9 - 20
(Master)
Defective electronic expansion valve coil (Y1E)
E9 - 21
(Slave 1)
Defective electronic expansion valve coil (Y1E)
E9 - 22
(Slave 2)
Defective electronic expansion valve coil (Y2E)
E9 - 23
(Master)
Defective electronic expansion valve coil (Y2E)
E9 - 24
(Slave 1)
Defective electronic expansion valve coil (Y2E)
E9 - 25
(Slave 2)
Electronic expansion valve coil (Y4E) error
E9 - 26
(Master)
Electronic expansion valve coil (Y4E) error
E9 - 27
(Slave 1)
Electronic expansion valve coil (Y4E) error
E9 - 28
(Slave 2)
Electronic expansion valve coil (Y5E) error
E9 - 29
(Master)
Electronic expansion valve coil (Y6E) error
E9 - 31
(Master)
Electronic expansion valve coil (Y7E) error
E9 - 32
(Master)
Electronic expansion valve coil (Y5E) error
E9 - 34
(Slave 1)
Electronic expansion valve coil (Y6E) error
E9 - 36
(Slave 1)
Electronic expansion valve coil (Y7E) error
E9 - 37
(Slave 1)
Electronic expansion valve coil (Y5E) error
E9 - 39
(Slave 2)
Electronic expansion valve coil (Y6E) error
E9 - 41
(Slave 2)
Electronic expansion valve coil (Y7E) error
E9 - 42
(Slave 2)
Defective electronic expansion valve coil (Y3E)
E9 - 44
(Master)
Defective electronic expansion valve coil (Y3E)
E9 - 45
(Slave 1)
Defective electronic expansion valve coil (Y3E)
E9 - 46
(Slave 2)
157
Description of error
Troubleshooting
Description of diagnosis
Refer to the E9 flowchart of each manual and make a diagnosis
of the relevant electronic expansion valve of the relevant unit
based on the Error code shown to the left.
SiUS341802E
Service Diagnosis