” Malfunction of Electronic Expansion Valve Coil
Remote
Controller
Display
E9
Applicable
Models
LRMEQ5~20AY1
LRLEQ5~20AY1
Method of
Malfunction
Detection
To be detected based on continuity existence of coil of electronic expansion valve (Y1E)
Malfunction
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, Y2E, Y3E)
Defect of electronic expansion valve coil
Defect of outdoor unit main PCB (A1P)
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