User`s guide

Power Failures
TABLE 3-1. Out-of-Service Codes.
Number
of Blinks
Problem
1 Announcements were not recorded or were
erased (slow blink) or cannot compute battery
level (fast blink).
2 Unable to turn Voice Recorder off.
3 Unable to turn Voice Recorder on.
4 Unable to turn Voice Playback off.
5 Unable to turn Voice Playback on.
6
Announcement detected with no time allocation.
7
Attempt made to play an unrecorded
announcement.
8
RAM constants pool corruption detected.
9
ROM check-sum error detected.
10
Invalid value read from Real-Time Clock.
During a power failure, the SPIRIT Attendant can maintain all of its
programming information (i.e., routes, business schedule, authorization code) up
to eight weeks and all recorded announcements up to three hours if the
SPIRIT Attendant battery was fully charged and switches 1 and 2 were in the ON
position at the time of the power failure.
It takes 18 hours of continuous power to charge the battery.
Testing and Troubleshooting 3-3