Samsung AM080FX A Series Service Manual page 231

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