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SERVICE MANUAL
Model ：CHM11BPL3
Comprssor
doesn't start
Y
Whether the display of
thermoment is normal
Y
Whether the display
temperature is higher than
environment
Y
Whether the resistance of
compessor is infinite or 0
Y
Whether the starting current is
about 5A
Y
Whether PTC starter
resistance between running
jack and starting jack is 16-
50 O
Y
Whether compressor pin is
tight，contact is good
Y
Whether input and output
voltage of main control board
is normal
Whether each contact of main
control board is normal
Tighten each contact and test
machine again
8-2-2.Poor cooling
；
Change a new
N
thermoment and test
Lower the setting
N
temperature and test
Compressor is open
N
circuit or short
Inner thouble of
N
compressor
If it is infinite or
N
0，then the starter
is out of work
Insert again，
N
electrify and test
Main control board
N
is out of work
Compressor doesn't start
sometimes because the
temperature in case is between
starting and stop temperature，
should pay attention when to test
Circuit
Issue
2020-5-15
REV
Ref1607S002V0
17
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