Gree LSQWRF35VM/NaA-M Service Manual page 74

(3) High discharge protection
High discharge temp
protection
Yes
Does the discharge
temperature go to
125°C?
Yes
Does the electric
expansion valve work
normally ?
Yes
Is the filter clogged?
No
Is the incorrect temperature
sensor used?( it often occurs
after maintenance.)
No
Does the controller
alarm incorrectly?
No
Contact the supplier.
Test Operation, Troubleshooting and Maintenance
Is the resistance of the
No
temperature sensor
Replace the damaged main
Replace the coils of the
No electric expansion valve
or even the main body.
Yes
Adjust the discharge
Yes
temperature sensor.
If this occurs frequently, the
Yes main board should be
normal?
Yes
board.
Clean the filter.
replaced.
70
Replace the discharge
No
temperature sensor.