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When
unit
is
cooling or heating,
both
compressor
and outdoor fan
don't run
When
unit
is
cooling or heating,
the
compressor
runs but outdoor
fan doesn't run
When cooling or
heating,
outdoor
fan
runs,
compressor
doesn't run.
When cooling or
heating, outdoor
fan runs,
compressor
doesn't run.
The fan does not
run when it is set
to supply air.
The fan capacitor has open circuit or is damaged.
Abnormal power supply of outdoor unit
Damage of main control board in outdoor unit
Power module of outdoor unit is damaged.
Improper setting of temperature
The outdoor fan motor is damaged.
Wrong connection
Damage of main control board in outdoor unit
The outdoor fan capacitor is damaged.
Compressor malfunction
Poor contact of connection between the main
control board of outdoor unit and module
Abnormal input of power module
Abnormal output of power module
Compressor temperature is too high
Wrong connection
Damage of main control board in outdoor unit
Burn-out or broken wire of indoor fan motor
Wrong connection
Check the circuit according to circuit diagram
Replace the main control board
Replace the power module
Adjust the set temperature
Replace the fan motor
Make the correct connection based on the circuit
drawing.
Replace the main control board
Replace the fan capacitor
Replace the compressor
Re-fasten the connection
Check if input is 320V. If not, replace the rectifier
Replace the power module
Cool the compressor for 30 min before running
Make the correct connection based on the circuit
drawing.
Change main board of outdoor unit
Repair or change the fan motor
Make the correct connection based on the circuit
drawing.
Change main board of outdoor unit
—94—
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