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Troubleshooting Guide
- 98 -
Copyright ©2007 LG Electronics. Inc. All right reserved.
Only for training and service purposes
LGE Internal Use Only
9) Troubleshooting CH26
26
DC Compressor
Position
Compressor
Starting fail error
Check the connection of comp wire U,V,W
Malfunction of compressor
Check the component of IPM, detection parts.
Display
code
Title Cause of error Check point & Normal condition
Check Point
1. Check the connection condition of PCB.
2. Check the connection condition of Comp. U,V,W wire.
3. Check the connection condition of CN_IPM(P), CN_IPM(N).
4. Check the comp resistor and insulation resistance .
5. Check the IPM.
6. Check the pressure of refrigerant.
7. Check the Service Valve Open.
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