Troubleshooting - Samsung SR-40RMB Service Manual

8. Troubleshooting

3. Detecting Defects and Trouble Shooting
1. When refrigerator temperature is too high or too low:
(see temperature controller circuit)
20
Start-Up
-Is the NOTCH of refrigerator
temperature controller OK?
YES
Is the S/W contact of
refrigerator temperature
Y
controller OK?
YES
Voltages and Resistance
values of each ROTARY S/W on
CN01 of MAIN PCB OK?
YES
Is the resistance
value of refrigerator sensor OK?
(see separate temperature
Table)
YES
Repair MAIN PCB ASS'Y and other
COMP connection unit.
N O
Control temperature controller.
N O
Replace temperature
controller.
N O
Repair connector part and
wires.
N O
Replace refrigerator sensor
Samsung Electronics