Specifications

Troubleshooting by Remote Controller SiBE341027
116 Service Diagnosis
2.9 Electronic Expansion Valve Coil Abnormality (Y1E~Y3E)
Remote
Controller
Display
E9
Applicable
Models
RQYQ-PY1B
Method of Error
Detection
Check the continuity of electronic expansion valve coil (Y1E)
Error Decision
Conditions
No current is detected in the common (COM [+]) when power supply is ON.
Supposed
Causes

Disconnection of connectors for electronic expansion valve (Y1E)

Defective electronic expansion valve coil

Defective outdoor unit main PCB (A1P)