Samsung RSG5F series - Compressor Non-Operation (Inverter PCB)

70
TROUBLE SHOOTING
4-2-4) When Compressor does not run (Inverter PCB)
Start
Normal
Replace MAIN PBA
or Repair the
connection
Check in 10 minutes.
NO
NO
NO
NO
NO
YES
Replace
F-Sensor.
Repair the sensing
part or Replace MAIN PBA
NO
YES
YES
1) Check the wire harness
2) Replace the MAIN PCB
Forced Operation signal
sound should be checked
If Red LED on the Inverter
PCB is turned on , it means
COMP is working
1) Check the COMP Wire
2) Check the Compressor
NO
Replace COMP ASS'Y
NO
YES
NO
YES
YES
YES
YES
YES
Five minutes
have passed since COMP
was off
When Forced
Operation Mode is activated, COMP
operates
COMP operation
signal(CN103 #4&#6) is
High(about 2-2.5V)
Is DC 15V applied to
ZD501?
F-Sensor is good.
Temperature sensing part
of MAIN PBA is good.
COMP Connector(CN04)
is Good
COMP ASS'Y is Good
Replace INVERTER PCB
Refer to the Test
function in this
manual
0~800Hz 50%
Duty Signal
Output