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Maintenance
Replacement Procedures
72 UMC800 Controller Installation and User Guide Release F
4/01
Replacing the power supply fuse
The power supply input circuit is protected with a fuse. Use the steps in the table below to replace the fuse
on the power supply module.
Step Action
1 Remove power from the controller.
2
Locate the fuse holder located on the power supply module. See Figure 36.
3
Using a slotted screwdriver, remove the fuseholder cap by rotating it counterclockwise.
4
Replace the fuse with the proper size and type.
• For 100-240 V supply: Size 5x20, F 3.15 A Time Delay 250 V, or equivalent.
• For 24 V supply: Size 5x20, 6.3 A Slow Blow, or equivalent.
5
Replace the cap by pressing in and rotating it clockwise with the screwdriver.
_
100 - 240 V ~
50 / 60 Hz
100 VA MAX.
F 3,15 A T
250V
L1
L2 / N
CPU Battery
Location
Fuse Holder
POWER
LoBAT
FORCE
RUN
DIS
PLAY
BAT
COMM B COMM A
Replace battery with Tadira
n TL5101/S
on
ly
. Use of ano
th
er
ba
t
te
ry may
prese
nt
a risk of fire or ex
plosi
on.
See use
rs
g
ui
de for i
nstructions
.
Power
Supply
CPU
Module
Figure 36 Power supply fuse and CPU battery location