13-3) When Comp Does Not Operate - Samsung RB215BSSB Service Manual

Diagnostics

13-3) When COMP does not operate

Pre-Check
"Check out the COMP with the Forced Operation selected"
1. If it does not pass 5 min after a desired Temp reached,COMP does not operate.
2. During Defrost,COMP does not operate.
3. With the disconnected F-Sensor or R-Sensor,COMP does not operate because low
temperature is detected.
Start
Is Forced Operation on?
YES
Is the
MICOM #22 output
"HIGH"(5V)?
YES
Is the IC70 #12
"LOW"(0.7V)?
YES
Is COMP RELAY normal?
YES
Is the contact
of CONNECTOR CN70
contact normal
NO
Does
COMP ASS'Y Function
normally?
YES
Check wire assembly/connection
NO
Run Forced Operation
NO
Soldering checkout/
Change MICOM or PCB
NO
Change or repair IC04/
Change PCB
NO
Check RELAY /
Change PCB
YES
Insert Connector completely /
Check its connection
NO
Change/repair COMP
59
- Reference
• Load terminal Measure
method.