Page 571 - Med Plaza and Cancer Center

Troubleshooting Guide

Symptom Possible Cause Corrective Action
4) Visual indicators are dimly a. Programmable display a. Reset display intensity values for
illuminated or vary in brightness intensity levels have been each module. Refer to Set-Up
between one or more digital set too low or at different instructions pages 35 - 40.
display or multi-signal modules. values between modules. b. Replace faulty module.
Front panel green POWER b. Faulty digital display or
indicator is illuminated brightly. multi-signal module.

5) Flashing visual indicator and a. 20-wire ribbon cable not a. Reconnect ribbon cable(s).
audible alarm on digital display connected well to b. All alarm panels will incorporate two
or multi-signal module that can annunciator module or 20-wire ribbon cables. Exchange
not be silenced by pressing digital display/multi-signal cable connected to affected module
front panel MUTE button. module with visual alarm. with other one (assuming all
When MUTE button is pressed, b. Faulty 20-wire ribbon cable. modules connected to that cable are
visual indicator continues to c. Faulty annunciator module. working correctly). If problem follows
flash. d. Faulty digital display or cable, replace cable.
multi-signal module. c. Cause an alarm condition (by
unplugging field wiring connector) on
another module that is connected to
same 20-wire ribbon cable. Verify
visual indicators on this test module
stop flashing when MUTE button
is pressed. If visual indicators
continue to flash, replace faulty
annunciator module.
d. If visual indicators on test module
(step c) stop flashing when MUTE
button is pressed, replace faulty
digital display or multi-signal module.

6) Audible alarm does not sound a. 20-wire ribbon cable not a. Reconnect ribbon cable(s).
when visual indicator is connected well to b. All alarm panels will incorporate two
illuminated. Pressing front annunciator module or 20-wire ribbon cables. Exchange
panel MUTE button causes digital display/multi-signal cable connected to affected module
visual indicator to stop flashing module with visual alarm. with other one (assuming all
but remain illuminated. b. Faulty 20-wire ribbon cable. modules connected to that cable are
c. Faulty annunciator module. working correctly). If problem follows
d. Faulty digital display or cable, replace cable.
multi-signal module. c. Cause an alarm condition (by
unplugging field wiring connector) on
another module that is connected to
same 20-wire ribbon cable. Verify
audible alarm on this test module
activates. If audible alarm does not
activate, replace faulty annunciator
module.
d. If audible alarm on test module (step
c) activates, replace faulty digital
display or multi-signal module.

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Part No. 6-847684-00 Rev. E00