-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