When The R Room Compressor (Msv) Does Not Operate (R Room Inverter, Lc4) - Samsung RF32FM SERIES Service Manual

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4-2-3. When the R Room Compressor (MSV) does not operate (R Room Inverter, LC4)

When the inverter PCB LED
is ON, it indicates that the
compressor is operating
normally
Refer to the TEST Function in
this manual
The Forced Operating signal sound
should be checked
0~800Hz 50% Duty Signal
Output
Check the wire harness Replace
the Main PCB
Replace the Inverter PCB
Start
10 minutes have passed since the COMP
was turned off
Yes
When Forced Operating mode is activated,
the COMP operates
Yes
Yes
No
The COMP operating signal (CN201
①↔③) is High (about DC 2-2.5V)
Yes
No
Is DC 15V applied to ZD501?
Yes
The CN101 Connector is Good
Yes
The COMP ASS' Y is Good
Yes
Normal (Recheck)
61
No
Check after 10 minutes
No
The R-Sensor is Good
Yes
The temperature sensing part of the MAIN
PBA is Good
Yes
Replace the Main PBA or
Repair the connection
No
Check the COMP wire Check
the Compressor
Check the AC Power wire
No
Replace the COMP ASS' Y
No
Replace the
R-Sensor.
No
Repair the sensing
part or Replace
the Main PBA