7. MAINTENANCE AND TROUBLESHOOTING
Check item
Handset LCD Screen
7.2
How to Change the Fuse
The fuse in the power cable protects the unit from overcurrent. If you cannot turn on
the power, check if the fuse has blown. If the fuse has blown find the cause before re-
placing the fuse. If the fuse blows again after replacement, call your dealer for advice.
Part
Fuse
7-2
Check the screen for dust
and dirt, and that there are
no cracks on the screen.
WARNING
Use the proper fuse.
Use of a wrong fuse can result in damage
to the equipment and cause fire.
Type
FGBO 125V 15A PBF
FGBO 125V 7A PBF
Checkpoint
Wipe the LCD carefully to
prevent scratching, using
tissue paper and an LCD
cleaner. To remove dirt or
salt deposits, use an LCD
cleaner, wiping slowly with
tissue paper so as to dis-
solve the dirt or salt.
Change paper frequently
so the salt or dirt will not
scratch the LCD. Do not
use solvents such as thin-
ner, acetone or benzene for
cleaning.
Code number
000-155-827-10
000-155-831-10
Countermeasure
Description
for 12 VDC
for 24 VDC
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