SiBE31-801_C Troubleshooting by Indication on the Remote Controller
Troubleshooting 254
4.20 “
E9
” Outdoor Unit: Malfunction of Electronic Expansion
Valve Coil (Y1E~Y5E)
Remote
Controller
Display
E9
Applicable
Models
RTSQ8P~16P (Outdoor Unit), BTSQ20P (Function Unit)
Method of
Malfunction
Detection
Check disconnection of connector
Check continuity of electronic expansion valve
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)
Defect of electronic expansion valve coil
Defect of outdoor unit main PCB (A1P)
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