Electronic Expansion Valve Coil Abnormality
Error Code E9
| Method of Error
Detection |
Detect according to whether or not there is continuity across the electronic expansion valve coils (REYQ-T: Y1E~Y5E). |
| Error Decision
Conditions |
When no current flows through common (COM[+]) at the time of turning ON the power supply. |
| Supposed
Causes |
|
Disconnection of connectors from electronic expansion valves (REYQ-T: Y1E~Y5E) Defective electronic expansion valve coil |
|
|
Defective outdoor unit control PCB |
(A1P).
Note: ∗1.Make measurement of resistance between individual pins to ensure that it falls within the range of 40 to 50Ω.
REYQ-T
|
| Measurement Point |
Acceptance
Criteria |
| 1 – 6 |
40 ~ 50Ω |
| 2 – 6 |
| 3 – 6 |
| 4 – 6 |
|

