D.
Maintenance
1. Access to PC Board
(Refer to Section B., Installation)
Remove rear cabinet by unlocking the cabinet locking nut at rear.
Disconnect 5 traces.
Pull out PC board.
2.
Battery Replacement
Battery lifetime: 5-8 years when system is powered for 24 hrs/day;
2-3 months when system power is off.
System Memory: when battery is exhausted, the system will store
data (FUNCTION position and elapsed time from
pack insertion) for only 20 seconds after power
is cut.
The display BATTERY (flashing) indicates an
exhausted battery, and that power has been
off for longer than 30 seconds. This means
stored data has been lost (elapsed time,
etc.).
Replace exhausted battery with a fully charged
one.
Battery replacement procedure: see Section B., Installation, 2.,
Battery Activation.
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