The Heating System Does Not Work - Midea MDC100-CH21B/B05E-US Service Manual

5 Troubleshooting

5.3 The heating system does not work

The heating system
does not work
Y
The dryer is put in the
5℃~35℃ ambient
Y
The selected program is correct
Y
The fluff filter and the
evaporator is blocked by fluff
Y
The motor is running OK
Y
Check the impeller is OK
Y
Compressor is working
Y
Oil leak from
the copper pipes and heat
Temperature difference
between discharge and
suction pipes
Stop compressor, cut off the
capillary from the dry filter outlet
35mm, check the gas exhaust
Dry filter side and
capillary side exhaust
Compressor fault
Replace compressor
N
N
N
N
N
N
exchanger
N
N
Y
Replace the HP
system
conditions
Next page
Y
Y
The power supply and the
terminal wire is correct
Y
The P2 terminal is inserted
properly
Y
Y
The wire is
damaged
N
The body of the
compressor is very
high temperature
Y
Check the cooling fan, the rear temperature sensor, and whether
the compressor is blocked, replace and repair corresponding parts
Up page
Dry filter side
exhaust gas
Y
Capillary blocked at
the outlet side
Y
Replace capillary and the
filter
Stop and move the dryer to the
appropriate ambient
Select the correct program
Clean filter and the evaporator
Check the motor and motor capacitor
Replace the impeller
Use the correct
N
power. Don't
reuse the
compressor after
running in reverse
N
Insert of the
terminal
Y
Replace wire
components
Check the compressor start
N
capacitor, protector.
Change the corresponding
parts after confirmation
Only capillary side
exhaust gas
Y
Capillary blocked
at the inlet side
Y
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