Gree LSQWRF60VM/NhA-M - Page 74

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Test Operation, Troubleshooting and Maintenance
(3) High discharge protection
Does the electric
High discharge temp
protection
Does the discharge
temperature go to
125°C?
Yes
expansion valve work
normally?
Is the filter clogged?
Is the incorrect temperature
sensor used?( it often occurs
after maintenance.)
Does the controller
alarm incorrectly?
Replace the coils of the
electric expansion valve
or even the main body.
Clean the filter.
Adjust the discharge
temperature sensor.
If this occurs frequently, the
main board should be
replaced.
Contact the supplier.
Yes
Yes
No
No
No
No
Yes
Replace the discharge
temperature sensor.
Is the resistance of the
temperature sensor
normal?
Replace the damaged main
board.
Yes
Yes
No
No
Yes