Amico Alert-3 LCD Alarm - Manual (Page 17)

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Troubleshooting
Symptom Cause Corrective Action
An error or “LOW ALARM” LCD screen The Microprocessor detected a fault and
has shut down
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 LCD module
Check wiring diagram in Appendix D and
Appendix E
No power on the alarm AC power not available a. Ensure that the ON/OFF switch on
the power supply module is turned
ON (see Appendix B).
b. AC wiring not connected.
c. Check the building electrical breaker
to ensure that the power is ON.
d. Check the voltage at the terminal
block above the transformer. Ensure
that 115 VAC to 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 B and Appendix G).
DC power plug not connected to the LCD
module
a. Ensure that the DC power plug
is firmly in its socket on the LCD
module.
b. Replace the System Power Supply
unit if all the above steps fail to
resolve the problem.
Power light is ON, however there is no
display on LCD screen
Loose ribbon cable from LCD screen to
board
a. Ensure that the cable is firmly in it’s
socket on the LCD screen and board.
b. Replace the LCD module.
No audible alarm DC power cable is disconnected, loose or
check ribbon cable
a. Ensure that the DC power cable from
the system power supply is firmly
connected to the LCD module.
b. Replace LCD board.
Audible signal will not silence Faulty display module Disconnect the ribbon cable from the
back of the faulty display module and
replace the LCD module.
Connection of the DC power cable from
system power supply to LCD module is
loose
Disconnect the DC power cable from
the LCD module and then reconnect. If
audible alarm still persists, replace the
System Power Supply unit.
Faulty push button Replace the LCD module.