Battery Replacement - GE D25 User Manual

GE Grid Solutions

Battery Replacement

WESDAC The WESDAC Board is mounted vertically immediately behind the front
(Main Board)
panel. It is the first component visible when the front panel is removed.
Battery
Locate the Panasonic
left of the Type III WESDAC board. It is provided to maintain the contents of
the NVRAM when the unit is powered down.
Refer to Battery Replacement on page 113 for information on changing this
battery.
20 MB Memory Locate the Tadiran
Expansion
Memory Expansion Board. It is provided to maintain the contents of the
Board Battery
NVRAM when the unit is powered down.
Refer to Battery Replacement on page 113 for information on changing this
battery.
Battery Check battery voltage using a meter or other measuring device that has a high
Checking
input impedance (10 MΩ or higher).
• Use non-conductive cleaning solution to prevent deterioration of battery
Cleaning &
performance.
Handling of
Lithium
• Dry batteries at a temperature below 85° C to prevent seal deformation that may,
Batteries
in turn, result in leakage.
Avoid:
•
−
−
−
• Wear gloves or finger caps when handling batteries to keep them clean.
• For long-term storage
−
−
Battery If the battery is disconnected, or if the D25 is never powered down, the life of
Replacement
the battery should exceed five years.
The life of the battery will be severely shortened if the battery is left
connected while the D25 is powered down for extended periods or stored.
The battery can be changed with power applied to the D25, so that service is
not interrupted.
Note: The status of the battery is provided during the D25 start-up sequence.
GE Information
2
®
BR / A (or equivalent) lithium battery near the top-
3
®
TL-2100S (or equivalent) lithium battery on the 20 MB
inversion of polarity
exposure to high temperatures, such as soldering or spot-welding
excessive force to terminals
keep at temperatures and humidity below normal
avoid shorting or loading while stored.
994-0081-3.00-21
D25
User's Manual
113