Samsung AM080FX A Series Service Manual page 229

Troubleshooting
4-4 Case study for trouble shoots (cont.)
4-4-12 Case study – E461/361 & E464/364 & E466/366 (cont.)
▪ Diagnosis 4 : Check compressor defect with Tester
1. Power Off.
2. Wait more than 15 minutes after the Power Off as in case of IPM failure, discharge mode may not work properly.
3. Prepare the digital multi tester.
Resistance test Normal Value
Resistance value of (U↔V,V↔W,W↔U) on compressor less than 2Ω
Resistance value between the body of compressor and MΩ
chassis
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