" Malfunction of Moving Part of Electronic Expansion
All indoor unit models
Check coil condition of electronic expansion valve by using micro-computer
Pin input for electronic expansion valve coil is abnormal when initializing micro-computer.
Malfunction of moving part of electronic expansion valve
Defect of indoor unit PCB
Defect of connecting cable
Be sure to turn off the power switch before connecting or disconnecting the connector, or parts may be damaged.
connected to X7A of the
(*1) of the moving part of
the electronic expansion
cable is short circuited or
expansion valve is
when coil check
Troubleshooting by Indication on the Remote Controller
After connecting, turn the power
supply off and then back on.
Replace the moving part of the
electronic expansion valve.
Replace the connecting cable.
If you turn the power supply off
and turn on again, and it still
does not help, replace the
indoor unit PCB.