Note: When replacing power module and rectifier, be sure to spread the radiating paste evenly.
Figure 8. Troubleshooting chart
Water leakage
Blockage or breakage of drainage hose
Wrap of refrigerant pipe connector is not
tight enough
Fan of indoor unit contacts other parts
There is foreign substance in indoor unit
Compressor shakes too much
Touch of pipeline of outdoor unit
Touch of inner plates
Touch of outdoor unit fan blade with
outer case
Abnormal sound inside compressor
Abnormal electromagnetic sound inside
four-way valve when heating
Replace the drainage hose
Re-wrap and make it tight
Adjust fan location
Take out the foreign substance
Adjust support washer of the compressor and
tighten loose bolts
Separate the touched pipeline
1. Tighten connecting screws
2.Stick shock-absorbing clay between plates
Adjust louver position
Replace compressor
Short circuit inside electromagnetic valve.
Replace the electromagnetic valve
Abnormal sound
and shake
62
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