Compressor Overload, Discharge Protection Malfunction - Gree Neo GWH09MA-A3DNA3A Installation, Service & Troubleshooting

Compressor Overload, Discharge protection malfunction

Replace the overload
protector
Troubleshooting
Start
Is the Overload connections OK
Yes
Check the resistance between the
No
two ends of the overload protector in
ambient temperature. Is the resistance
below 1K
Yes
Is the wiring of the
electronic expansion valve
connected well
Yes
Check the coil of the electronic expansion
valve per instructions in this manual.
Replace if faulty
Eliminate the malfunction
No
Check the refrigerant status, if there is leakage,
recharge according to this service manual.
Eliminate the malfunction
No
Replace outdoor main
board
End Troubleshooting
No
No
Reconnect according to the
wring diagram
Yes
Yes
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