Refrigerator Compressor No Start - Haier HC17SF15RB Service Manual

SERVICE MANUAL
.
Model:HC17SF15RW/B HC27SF22RW/B

6-4. Refrigerator compressor no start

Compressor no working
Check if the home power
is conduct
YES
Check if thermostat is set
at "0"
NO
Check if the thermostat is
normal
YES
Check if the PTC starter is
normal?
YES
Check if the overload
protector is normal?
YES
Check if each connector of PTC
starter overload protector is in
good condition?
NO
Connect the power
YES
Adjust thermostat setting position
Test if the thermostat is normal under power on status:
Method-1: Setting thermostat to coldest position (7 grade), observe if the machine can be
started. If compressor still not start, it means that the thermostat maybe failure.
Test if resistance of PTC starter, if it is ZERO or INFINITE, means the starter is out of
work. For PTC starter, when shake it, it should not have noise, if it has, means the
starter Magnetic Disk burned.
1. Measure whether two ends of overload protector is through
using multimeter Ohm grade. Not through means protector is
defective.
2. Measure running current of compressor using clamp-type
tester. If overload protector act when current is normal, means
protector failure and should be replaced.
Check each connectors of the PTC starter and overload
protector, ensure each contact is in good condition, then
power on and retest the machine.
Issue 2014-03-24
Rev. Ref1403S007V0
Compressor
NOT NORMAL
accessories
failure
NOT NORMAL
Compressor
accessories
failure
15