Replacing The Rtc Battery - GE PACSystems RXi User Manual

Chapter 2. Installation

Replacing the RTC Battery

2.5
The real-time clock is backed up by a lithium coin cell battery, IC690ACC001, which has an
estimated life of 5 years and must be replaced every 5 years on a regular maintenance
schedule. There are no diagnostics or indicators that monitor RTC battery status.
If the RTC battery fails, the CPU date and time is reset to 12:00 AM, 01-01-2008 at startup.
The CPU operates with a failed or missing RTC battery; however the initial CPU TOD clock
information will be incorrect.
You will need the following:
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■
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24
If the unit has been recently powered down, the battery may be
too hot to touch safely. To avoid burns, use precautions, such
as allowing the battery sufficient time to cool before handling
it.
To avoid damage from electrostatic discharge, adhere to the
following precautions when removing the Display Module:
■ Wear a properly functioning antistatic strap and be sure that
you are fully grounded. Never touch any components inside
the Display Module unless you are wearing an antistatic
strap.
■ Extra caution should be taken in cold, dry weather, when
static charges can easily build up.
One flat (or large Phillips) screwdriver
One small Phillips screwdriver
IC690ACC001 battery
PACSystems* RXi Distributed IO Controller User Manual
Warning
Caution
GFK-2816F