42
Air circulation
is not enough.
volume
Air filter is blocked
Clean the filter
Fan speed is too low
Set the fan speed to high
or middle speed
Replace the compressor
Replace the capillary
Replace the one-way valve
Mend or replace fan motor
Replace the relay
Replace the relay
Adjusting the setting temp.
Mend or replace fan motor
Replace the capacitor of fan motor
Wrong wiring
According to circuit diagram
to connect wire correctly.
The capacitor of outdoor
unit fan motor is broken
Outdoor fan motor is broken
The setting temp. is not suitable
Poor connection of the relay
The loop of relay is broken
Fan motor capacity is broken
or damaged
Wrong wiring According to circuit diagram to connect
wire correctly.
The installation place of
indoor unit is not suitable
Indoor unit filter blocked
Outdoor unit heat exchanger
blocked
Leakage between high and low
pressure in the compressor
Capillary blocked partially
Refrigerant leakage
Outdoor unit one-way valve
blocked
Check leakage,add refrigerant
Clean the dust adhering on the
surface of heat exchanger
To clean the filter termly
The outdoor unit installation place should be
well ventilated, and should be installed awning.
Indoor fan motor burnt or
broken
Replace the same model, same
specification capacity
When setting FAN,
the fan motor
doesn't work
When in cool,heat
mode, the outdoor
unit and compressor
do not work
In cool, heat mode,
compressor run, out-
door fan does not
run.
C
ool (Heat) is poor
