Temperature Protection Of Compressor Top (Odu P0) - Heat Controller A-VMH18DC-1 Service Manual

Heat Controller, Inc.

9.3.2.5 Temperature protection of compressor top (ODU P0)

Temperature protection of
compressor top
Does the compressor
operate?
Yes
Is the unit properly
charged?
No
Properly charge the system
Is there any abnormality of
operation after the system
was charged?
No
Check refrigerant circuit,
such as clogging of
capillary tubes etc.
VMH SerieS
Are all
No
connections correct?
Yes
Check whether protector is
normal? If protector is normal,
resistance=0
Yes
Replace the outdoor main PCB
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Service Manual
No Reconnect and retest.
No Replace the protector.