When Compressor Does Not Run (Inverter Comp.) - Samsung RF263BEAE** Service Manual

4-2-8. When Compressor does not run (Inverter COMP.)

Refer to the TEST
Function in this manual
Forced Operation signal sound
should be checked
0~800Hz 50% No
Duty
Signal Output
1) Check the wire harness
2) Replace the MAIN PCB
No
Replace INVERTER
PCB
Start
10 minutes have No
passed since COMP
was off
Yes
No
When Forced Operation
mode is activated, COMP
operates
Yes
Yes
COMP operation
signal(CN103 #4&#6) is
High(about 2-2.5V)
Yes
Is DC 15V applied to
ZD501?
Yes
No
COMP Connector(CN04)
is Good
Yes
No
COMP ASS'Y is Good
Yes
Normal
81
troublesHooting
Check in 10 minutes
F-Sensor is Good
Yes
Temperature sensing
part of MAIN PBA is
Good
Yes
Replace MAIN PBA or
Repair the connection
1) Check the COMP Wire
2) Check the Compressor
Replace COMP ASS'Y
No
Replace F-Sensor
No
Repair the sensing
part or Replace
MAIN PBA