7
SuperBus® 2000 2 x 20 LCD Alphanumeric Touchpad
Troubleshooting
Troubleshooting
Tables 3, 4, and 5 describe actions you can take to correct
problems you may experience when connecting bus devices
to each of the different panels.
Table 3: UltraGard Troubleshooting
Problem
Action/Solution
All touchpads display
1 - OFF but they don’t
work or won’t enter
program mode.
1.
Disconnect all touchpads
except the original. Set the
panel mode switch to
PROGRAM, enter the
install code, and switch
back to RUN.
2.
Assign a different unit num-
ber to each touchpad using
the procedure outlined in
this document.
The touchpad displays the
message BUS FAIL UNIT
N (N = unit number of
failed bus device).
1.
Turn off the panel power
switch. Check the wiring at
all bus devices and correct
where necessary.
2.
Assign a different unit num-
ber to each touchpad using
the procedure in this docu-
ment.
3.
Set the panel mode switch to
PROGRAM then back to
RUN.
The panel reports a trouble
condition on the touchpad
loop.
1.
Change the unit number on
the new bus device to an
unused unit number. Turn
power OFF then ON. Set the
mode switch to PRO-
GRAM then back to RUN.
2.
Turn off the panel power
switch. Check and correct
the touchpad wiring.
3.
The panel must learn the
hardwire loops again when a
touchpad unit number is
changed.
Table 4: Concord and Concord Express
Troubleshooting
Problem
Action/Solution
The touchpad doesn’t
power up (no display
and no beeps when
buttons are pressed).
1.
Check for correct wiring connec-
tions at the touchpad and panel
terminals.
2.
Make sure the panel battery is
connected correctly and that the
panel transformer is plugged in.
3.
Make sure the panel transformer
is not plugged into an electrical
outlet controlled by a switch.
Relocate the transformer to an
unswitched outlet if necessary.
The touchpad display
appears blank, but
beeps sound when
buttons are pressed.
1.
Check the touchpad display con-
trast setting. It may be set to 0 (no
display).
The touchpad displays
a flashing star [*],
indicating a trouble
condition, and the
system doesn’t
respond to commands
from the touchpad.
1.
Check for correct bus wiring con-
nections (green and white wires)
at the touchpad and panel
terminals.
2.
Make sure the touchpad unit
number is set to a number
different from all other bus device
unit numbers. If necessary,
change the touchpad unit number.
(Concord panels with software
versions 1.0–1.6 only).
Table 5: Advent Troubleshooting
Problem
Action/Solution
The touchpad display
seems “stuck” in the
program mode.
1.
Check that the panel is not in the
program mode of operation.
The touchpad displays
“**********”, an
error message, or
appears “dead” and
does not respond to
button presses.
1.
Check that the wiring connector
is plugged into the back of the
touchpad.
2.
Check for incorrect wiring,
opens, or shorts.
3.
Check panel power.
4.
From another touchpad enter
program mode and verify touch-
pad is enrolled.
The touchpad displays
“Touchpad Not
Enrolled.”
1.
Perform the procedure for “Exist-
ing Installations” under the sec-
tion “Powering up Advent
Panels,” in this document.
