-6-
1. Enter the service mode.
2. Connect a digital multimeter to test point “
TPFN
❊
” (+)
and chassis ground (-). (as shown below)
3. Select group no. “
11
”, item no. “
24
” and change data
value of the fan number. (as shown below)
4. Select item no.“
41
” and change data value to adjust
the fan max. output voltage to be
14.0
±0.1V.
5. Select item no.“
42
” and change data value to adjust
the fan min. output voltage to be
6.5
±0.1V.
6. Each fan should be adjusted refer to item 2 - 5.
Note:
The location of each fan is refer to the parts list.
c
Fan Voltage adjustment
FAN No.
Group/Item
FN901
11 / 24
FN902
11 / 24
FN903
11 / 24
FN904
11 / 24
FN905
11 / 24
FN906
11 / 24
FN907
11 / 24
Data
Test point
0
TPFN1
0
TPFN1
2
TPFN3
5
TPFN4
1
TPFN5
4
TPFN6
3
TPFN7
* Following information differs from the previous chassis No. MR3-XP5500, others are the same;
- The fan voltage adjustment has been changed.
❈
Different items as below:
■
Electrical Adjustments