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Troubleshooting Guide
Symptom
Cause
Corrective Action
An error code appears on one or more
display modules.
The Microprocessor detected a fault and
has shutdown.
Turn power switch to OFF position. Wait
for at least 5 seconds before turning on
the power. The program will reset itself.
Faulty wire connection between the
sensor and display module.
Check error codes at the end of this
section.
No power on the alarm. (No LED’s
illuminated)
AC power not available.
1. Ensure that the ON/OFF switch on
the power supply module is turned
ON.
2. AC wiring not connected.
3. Check the building electrical breaker
to ensure that the power is ON.
4. Check the voltage at the terminal
block above the transformer. Ensure
that 115 VAC or 220 VAC is being
supplied.
Fuse is blown.
Check the fuse. The fuse is located on the
upper-right corner of the system power
supply. Replace the fuse if it is defective.
See Appendix A and L.
DC power plug not connected to the
annunciator module.
1. Ensure that the DC power plug
is firmly in it’s socket on the
annunciator module.
2. Replace System Power Supply unit if
all the above steps fail to resolve the
problem.
Defective Ribbon cable.
Replace the ribbon cable.
Power light on the annunciator module
is ON but LED’s on other modules are
not on.
DC power cable is not connected to
the annunciator module.
1. Ensure that the DC power cable
is firmly in it’s socket on the
annunciator module.
2. Ensure that the module(s) on the
Frame/Module assembly are all
connected to the ribbon cable.
3. Replace the annunciator module.
