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Appendix B: Troubleshooting
31
Hardwire Alphanumeric Touchpad (Continued)
Touchpad displays
**********’ and does not respond to buttons.
1. Reset the touchpad by switching into and out of program mode.
Switch the panel PROGRAM/RUN switch from RUN to PROGRAM.
Enter the four-digit install code if panel has been preprogrammed with
one using a working touchpad or telephone. Switch the panel PRO-
GRAM/RUN switch back to RUN again.
2. Check for hardwire bus miswiring.
Touchpad appears “dead” (no display or response to buttons).
1. Check that the wiring connector is plugged into the back of the
touchpad.
2. Check for hardwire bus miswiring, opens, or shorts.
3. Check panel fuse F2.
Hardwire Output Module
LED is off (not blinking).
1. Check HOM and panel fuses.
2. Check wiring at HOM and panel.
3. Check that HOM unit number setting is different from all other con-
nected bus devices.
4. Check for proper panel/HOM initialization after changing unit num-
bers.
LED stays on.
1. Reinitialize panel and HOM by turning panel power off and on.
2. HOM circuit failure. Replace HOM.
LED blinks but outputs don’t activate.
1. Check panel/HOM programming.
One output never activates.
1. Check panel/HOM programming.
2. Check that the point (HOM output) programmed trigger event actu-
ally occurs.
3. Check wiring at HOM terminals and connected device.
Output(s) activates only momentarily.
1. Check that the panel/HOM point programming (HOM output) uses
the correct response configuration.
Output(s) activates randomly.
1. Check HOM and panel fuses.
2. Check wiring routing and length between panel and HOM.
3. Check that HOM unit number setting is different from all other con-
nected bus devices.
Hardwire Output Module (Continued)
HOM tamper input is inoperable.
Table B.1 Troubleshooting System Problems (Continued)
Feature
Problem
Solution
Содержание ITI UltraGard
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