4-4
Touch position
invalid
Touchscreen not
calibrated
Calibrate the touchscreen.
4.6.3 Alarm Problems
Symptoms Possible Cause Corrective Action
Cable defective or
poorly connected
1. Check that cables from alarm LED board to main
board are properly connected.
2. Check that connecting cables and connectors are
not damaged.
The alarm lamp is
not light or
extinguished but
alarm sound is
issued
Alarm LED board
failure
Replace the alarm LED board.
Audio alarm
disabled
In the main menu, select [Alarm Setup >>]. Then
select the appropriate volume from [Alm Volume]:
X-10, in which X is the minimum volume,
depending on the minimum alarm volume set in
configuration mode, and 10 the maximum volume.
Cable defective or
poorly connected
1. Check that cable from speaker to power
management and interface board is properly
connected.
2. Check that connecting cables and connectors are
not damaged.
No alarm sound is
issued but alarm
lamp is light
Speaker failure Replace the speaker.
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