User's Manual

Troubleshooting
Issue 1 November 1998 31
4. Replace any unapproved cables and connectors; they may
be faulty.
5. Has the EPROM been changed?
6. Make sure the jumper underneath the EPROM is set at
RS-485. If not, change the jumper to RS-485 (see “Setting
the Jumper” on page 25).
7. Has the wallboard software on the BCMS Vu PC been
changed or removed?
8. Are the other wallboards on the same network working? If
so, check the connectors at the first wallboard.
9. Use the wireless keyboard to clear the wallboard’s memory
(see instructions on page 26). Retransmit to the wallboard,
and check if it is functioning properly.
10. Call for repair.
Wallboard Problems
Wallboard problems are physical defects in the wallboard; the
network to the wallboard is functioning properly.
Light-emitting diodes (LEDs) are out. This can be a single
light, column, row, or any part of the wallboard.
Call for repair.
The plexiglass face is cracked.
Call for repair.