Maintenance
Replacement Procedures
72 UMC800 Controller Installation and User Guide Release F
4/01
Replacing the power supply fuseThe power supply input circuit is protected with a fuse. Use the steps in the table below to replace the fuseon the power supply module.
Step Action
1Remove power from the controller.
2Locate the fuse holder located on the power supply module. See Figure 36.
3Using a slotted screwdriver, remove the fuseholder cap by rotating it counterclockwise.
4Replace 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.
5Replace 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
DISPLAY
BAT
COMM B COMM A
Replace battery with Tadi ran TL5101/S
only. Use of another battery may
present a risk of fire or expl osion.
See users guide for instruct ions.

Power

Supply

CPU

Module

Figure 36 Power supply fuse and CPU battery location