4.3 TROUBLESHOOTING WITHOUT ALARM CODES (Cent’d)
(1 O) Overheat Detection
Power overheat is always checked after system
startup, and upon detection of overheat, an alarm
occurs.
ALM1099: Abnormality of panel temperature
I
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(11 ) Battery Alarm Detection
Voltage drop due to an exhausted battery is
detected after system startup and a battery alarm is
displayed on the screen.
Once a battery alarm occurs, alarm indication on
the screen is not erased by replacing the battery.
Turn power OFF, then ON again.
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