Si20-701_B Troubleshooting by Remote Controller
102
3.11
A9
Electronic Expansion Valve
Coil (Y1E) Abnormality
Remote Controller Display
A9
Applicable Models
FMCQ, FMDQ
Method of Error Detection
Use a micro-computer to check the electronic expansion
valve for coil conditions.
Error Decision Conditions
When the pin input of the electronic expansion valve is
not normal while in the initialization of the micro-
computer.
Supposed Causes
Defective electronic expansion valve coil
Defective indoor unit PCB
Defective connecting cable
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