Bruker BMPC/2, Technical Manual

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85 Z31823_00_05
Troubleshooting
11.8.2 Exchanging the GS1 or GS2 Power Supply Fuses
There are two power supplies in the BMPC line control unit. Each of these power sup-
plies has its own safety fuse.
The following fuse type is required for the power supplies:
•
Cartridge fuse 5 x 20 mm 0.8 A time lag. The Bruker part number is
2250
.
The fuse for power supply GS1 is FU1 and the fuse for power supply GS2 is FU2. See
the previous section ( 11.8 ) for instructions on how to exchange the fuse.
11.8.3 Exchanging the Control Unit Fuse
The BMPC/2 control unit utilizes two safety fuses.
The following fuse type is required for the control unit:
Cartridge fuse 5 x 20 mm 0.8 A time lag. The Bruker part number is
2250
.
To exchange a fuse in the control unit:
1. Remove the upper rear cover. To access the back of the control unit, unscrew the
left and right side screws securing the line control unit using a cross-tip screwdriver
and tilt the unit outwards.
Figure 11.9 Tilt Open the Line Control Unit
2. Remove the power supply plug from the control unit and open the fuse holder as
shown in the figure below.
3. Remove the fuse insert and exchange both safety fuses.
4. Reassemble the unit in reverse order.
Unscrew the left
Tilt open the
Line Control Unit
and right screws