4-2-2-2) When The Comp Does Not Operate (Inverter Comp Model) - Samsung RSJ1K Series Service Manual

TROUBLE SHOOTING

4-2-2-2) When the Comp does not operate (INVERTER COMP model)

Refer to the Test
function in this
manual
There was the Forced Operation signal
YES
sound (Make sure to check
after the Forced Operation).
200~400Hz 50%
Duty Signal
NO
Output
Replace MICOM & PCB
NO
Check the connector
contacts
Start
NO
It passed 5 minutes
after COMP goes off.
YES
Comp operates when
YES
it is the Forced
Operation mode.
NO
The output of Load
MICOM #4 is High (2.5V)
YES
The connector
between Main and Sub
is good.
YES
NO
CN75(MAIN) connector is
good.
YES
NO
Comp connector(4p)
is good.
YES
NO
COMP ASS'Y is good.
YES
Normal
67
Check in 5 minutes.
NO
F-Sensor is good.
Replace
YES
F-Sensor.
NO
Temperature sensing part
of MAIN PCB is good.
Repair the sensing
YES
part or Replace PCB
Replace MAIN PCB
or Repair the
connection
Check the connector
contacts
Insert the connector
properly
Replace COMP ASS'Y