Gree LSQWRF60VM/NhA-M - Page 75

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Test Operation, Troubleshooting and Maintenance
(4) Phase protection
Phase loss/reversal
protection
Is the phase sequence
incorrect?
Yes
Is there phase loss?
Is the phase protector
damaged
?
Does the controller
alarm incorrectly?
Check the power supply.
Replace the phase
protector.
If this occurs frequently, the
main board should be
replaced.
Contact the supplier.
No
No
No
Yes
Yes
Yes
Yes
Adjust the wiring.
No