Table 3: circuit checksheet for breakdown
Caution: If the compressor motor windings are burned up during operation, clean the
whole cooling system to leave out acid.
Item
Power supply cord & plug Broken and off wire Repair and change cord & plug
Reason Solution
PTC. relay
Overload protector Malfunctional terminal,
internal broken wire
Change overload protector
Damaged Change relay
Compressor motor (deputy
windings) conducting test
Change compressor
Open circuit of windings
11
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