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Do not
refrigeration
2. Air conditioner refrigeration, but not enough
Common faults
phenomenon
sometimes
cooling
sometimes not
evaporator air
volume is
insufficient
1.
refrigerant Insufficient or
leakage
2. Temperature setting is too
high
3.
The
interior
control sensor (thermistor) is
open
circuit
temperature control is not reset
4.
The
thermostat
tube is damaged
5. Compressor damage
Faults reason
1.
Improper
selection
air-conditioning control
2. Low-voltage switch protection:
refrigerant leakage
3. High-voltage switch
protection: excessive
refrigerant , the condensing fan
damage, and the condenser coil
is blocked by dust
1. The evaporator return air filter
grill is blocked by dust or the
evaporator fins are blocked by
dirt
Check and repair the leakage
parts, and recharge
refrigerant
Readjust the temperature
temperature
Check and replace
or
defrosting
regulator
Check and replace
Check and replace
of
Reset the air volume
temperature
Check and repair the leakage parts,
and recharge the refrigerant
Slowly
refrigerant, repair and replace the
condenser
condenser coil
Clean
fins
13
Troubleshooting method
release
the
fan,
and
filter grill or the evaporator
the
and carriage
excess
clean
the
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