MagnaTran 7.1 User’s Manual
Maintenance and Repair
MN-003-1600-00
Fuse Replacement
Brooks Automation
Revision 2.2
9-57
Loosen the lower captive screw of the I/O board. Loosen the three upper cap-
tive screws of the Lower Cover Mount Assembly. See
. Gently allow
the Lower Cover Mount Assembly to drop down.
4.
Visually inspect each of the fuses located on the Theta driver board. Reference
the table below for the board designations of the fuses.
5.
Replace any blown fuses. Reference the table below for the fuse amperage and
Brooks part number.
NOTE:
If a fuse cannot be identified as operational or blown by visual inspection, red
LED’s are located on the theta driver board that illuminate only when their respec-
tive fuses are operational. Reference the table below for the locations of the red
LED’s. If necessary, reconnect robot power and visually inspect the red LED’s for
illumination.
6.
Visually inspect the entire robot board set, frame, and interconnecting cables
for any short circuits. That is, a circuit board shorting against a frame member,
a screw shorting against a circuit board, a frayed or broken cable, etc.
7.
Reinstall the Lower Cover Mount Assembly.
8.
Reinstall the two robot covers via the four captive screws.
9.
Connect all power and communication cables from the robot I/O face plate.
10.
Turn on robot power.
The following table indicates the function, part number, location, and amperage of the
3 replaceable fuses on the Magnatran 7 robot. A red LED is linked to each fuse. When
a fuse blows, the respective red LED will not illuminate.
Table 9-5: Theta Board Fuse Functions
Main
Function
Board
Designation
LED
Designation
Amperage
Brooks Part
Number
Main Power
(CPU)
F3
DS7
5 Amps
430-0003-10
T1 Motor
F4
DS8
10 Amps
430-0003-09
T2 Motor
F6
DS10
10 Amps
430-0003-09
Z Motor
F5
DS9
10 Amps
430-0003-09