Haier HSM518HMNSS0 Service Manual page 43

SERVICE MANUAL
Model: HSM518HMNSS0
If there is signal to the heater (230
V) or the fan (6V-13V)
YES
Check if the compressor is normal
YES
Open the cooling system, Connect the
condenser outlet pressure gauge, check
if the exhaust pressure of the
compressor is higher than 1.2Mpa
YES
Check each solder joint or connection
point of the leak with soap and water
NO
The control board is failure
NO
Change the compressor
NO
Change the compressor
YES
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43
Issue 20200930
REF. Ref1505S017V0
Welding and fill the
refrigerant