96
TROUBLESHOOTING
4-2-18. If compressor does not operate
Start
Check after 5 minutes
Repair OPEN & disconnection
Normal
Did 5 mins pass after
Compressor Off?
No
Replace PCB
No
Check the wire disconnection
No
Check bad contact of connector
No
Check bad contact of connector
No
Replace INVERTER PCB ASS’Y
No
Replace the resistance &
INVERTER PCB ASS’Y
No
Replace COMP ASS’Y
No
Repair OPEN & disconnection
Refer to test function in
the manual
0~800Hz 50% Duty
Signal output
Did buzzer of manual operation sound?
(Check certainly after manual operation)
No
Repair the sensor & replace PCB
No
Yes
Yes
Does compressor work with
manual operation?
No
Is CN79 PIN #4
High?(2.5V)
Yes
Is freezer sensor normal?
Yes
Is the temperature
sensor of MAIN PCB
normal?
Yes
Is the wiring between
Main and Sub normal?
Yes
Is the connector between
Main and Sub normal?
Yes
Is the connector (CN03) of
COMP normal?
Yes
Is the DIODE voltage
between Pins for a single
SPM part normal?
Yes
Is the resistance
value at the measured
position normal?
Yes
Is COMP ASS’Y normal?
Yes
Refer to the DIODE voltage value in
the SPM (2nd page)
300K-F(CHIP) : INVERTER PCB
R509,510,511,512,513,514,515
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