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Common malfunction and handling method for air conditioner with indoor and outdoor unit
When cooling o
doesn't run.
Malfunction of compressor
Replace the compressor
Breakage of running capacitor of the
compressor
Replace the capacitor
Voltage is too low or too high
Manostat is recommended.
Wrong wiring
Wire according to the circuit diagram
Blockage or breakage of drainage hose
Replace the drainage hose
Water leakage
Wrap of refrigerant pipe connector is
not ti
h
Re-wrap and make it tight
Abnormal sound an
vibration
Fan of indoor unit contacts other parts
Adjust fan location
There is foreign substance in indoor unit
Take out the foreign substance
Compressor shakes too much
Adjust support washer of the compresso
and tighten loose bolts
Touch of pipeline of outdoor unit
Separate the touched pipeline
Touch of inner plates
1. Tighten connecting screws
2.
Stick shock-absorbing clay between plates
Touch of outdoor unit fan blade wit
outer case
Adjust louver position
Replace compressor
Abnormal sound inside compressor
Abnormal electromagnetic soun
inside four-way valve when heating
Short circuit inside electromagnetic
valve. Re