Haier DW-25L92, Service Manual

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【
Troubleshooting
】
Fault Analysis Maintenance Measures
1. compressor fails to start
1. Machine storehouse wiring connector plugs s are
damaged
Change the connector plugs
2. Bas wire contact
Check contact and make in good
condition.
3. Display panel connection failure
Checking if it is due to bad
connection, otherwise, change it.
4. Relay, start capacitor or heat protector is
damaged
Change the part.
5. Compressor fault Change the compressor
6
. User’s voltage is too low
Add a manostat
2.Fan does not rotate
1. Fan wiring is loose Checking the wiring
2. Fan blades are blocked by foreign matters Checking and clean them
3. Fan is damaged Change parts
3.High temperature in
cabinet
1. The temperature setting of outage is too high. Re-set computer board
2. Refrigerant leaks.
Find leak location and make repair
welding. Infuse refrigerant again.
3.Temperature probe is damaged Change parts
4. Capillary tube or system is blocked by dirt\ greasy
Clean the capillary tube or change
filter.
5. High ambient temperature
Turn on air-conditioner
，
reduce
ambient temperature.
6. Condenser blockage Clean condenser
4.Display board displays
F1
1. Temperature probe short circuit or disconnect Checking the temperature probe
2.No temperature probe Install a temperature probe