7
Procedure for Communication Unit Fuse Re
-
placement
If powered from 24VDC power supply circuit:
1. Detach 24VDC connector of the electrical
system.
2.
Slightly press the fuse holder cover and
turn it counter-clockwise.
3.
Remove the fuse holder.
4. Replace the fuse with a new one.
5. Insert the 24VDC fuse holder into the unit
and turn it clockwise.
6.
Attach 24VDC connector of the electrical
system.
If powered from the electrical system of
220VAC:
1. Set the 220VAC power switch to the OFF
position.
2. Detach 220VAC power connector of the
electrical system.
CAUTION!
The new fuse shall comply with the follow-
ing requirements:
• Cylindrical fuse link measuring 5x20
•
Rated current of 5 A.
CAUTION!
The new fuse shall comply with the follow-
ing requirements:
• Cylindrical fuse link measuring 5x20
•
Rated current of 2 A.
i
i
3.
Remove the 220VAC fuse holder.
4. Replace the fuse with a new one.
5. Insert the 220VAC fuse holder into the unit.
6.
Attach 220VAC connector of the electrical
system.
GENERAL INFORMATION
