Samsung AM080FX A Series - Page 231

Troubleshooting
Samsung Electronics 243
- Conclusion : Change bolt to new one, reattach the IPM → Problem solved
Date 6/5 6/5
OD Temp 41.6 40.8
High pressure 34.7 36.4
Low pressure 10.5 9.9
Comp1 61 82
Comp2 64 85
Current1 14.9 20.2
Current2 14.2 19.3
IPM1 88 85
IPM2 90 86
Reattach #2 Solved
Date 5/28 5/29
OD Temp 38 38
High pressure 30.5 30.4
Low pressure 10.9 11.4
Comp1 52 52
Comp2 55 55
Current1 12.3 15.3
Current2 10.3 14.2
IPM1 86 89
IPM2 89 81
Basic Reattach #1
※ IPM Temp Protection
- Hz Hold : 90℃
- Hz Down : 93℃
※ HP Protection
- Hz Hold : 36 kgf/㎠
- Hz Down : 37 kgf/㎠
4-4-13 Case study – Poor cooling caused by IPM overheated (cont.)
4-4 Case study for trouble shoots (cont.)