Electronic Expansion Valve Coil Abnormality - Daikin LRMEQ3BY1 Service Manual

Troubleshooting

7.6.4 Electronic Expansion Valve Coil Abnormality

E9
Error Code
LRMEQ3~4BY1
Applicable
Models
To be detected based on continuity existence of coil of electronic expansion valve (Y1E)
Method of Error
Detection
No current is detected in the common (COM [+]) when power supply is ON.
Error Decision
Conditions
 Disconnection of connectors for electronic expansion valve (Y1E)
Supposed
 Defective electronic expansion valve coil
Causes
 Defective outdoor unit main PCB (A1P)
78 Air Cooled Refrigeration Condensing Unit
ESIE17-20A