3Ć4
3.4
OnĆBoard Battery Replacement
WARNING
THE BATTERY USED WITH THIS DEVICE MAY PRESENT A HAZARD IF
MISTREATED. DO NOT RECHARGE, DISASSEMBLE, HEAT ABOVE 100
_
C
(212
_
F), INCINERATE, OR SWALLOW. REPLACE BATTERY WITH RELIANCE
ELECTRIC M/N 57C385 ONLY. DISPOSE OF USED BATTERY PROMPTLY. FAILURE
TO
OBSERVE
THIS
PRECAUTION
COULD
RESULT
IN
BODILY
INJURY.
See section 5.2 for a list of the possible reasons that the BAT. OK"
light on the Processor faceplate can shut off. If you need to replace
the battery, the superĆcapacitor will provide a typical 10 hours of
backĆup power between the time the BAT. OK" light goes off and
power is removed from the rack, and the time you insert and activate
the new battery. If you replace the battery within this time limit, you
will not need to reĆload the operating system and application tasks.
Complete battery specifications can be found in Appendix A.
Usethefollowing procedureto replacethebattery on theProcessor
module.
Step 1.
Turn off power to the system. All power to the rack, as well
as all power to the wiring leading to the module, should be
off.
Step 2.
Use a screwdriver to loosen the screws holding the
connectors to the module. Remove the connectors from
themodule.
Step 3.
Loosen thescrews that hold themodulein therack.
Removethemodulefrom theslot in therack, being careful
not to touch theconnectors on theback of themodule.
Step 4.
Take the old battery out of the holder. Remove the tape
from the new battery and insert it in the holder. Make
certain that the battery is facing the proper direction.
Step 5.
ReĆinsert themoduleinto thecorrect slot in therack. Usea
screwdriver to securethemoduleinto theslot.
Step 6.
ReĆattach the connector(s) to the mating half on the
module. Make certain that the connector is the proper one
for this module. Use a screwdriver to secure the connector
to themodule.
Step 7.
Turn on power to therack. Themodulewill automatically
execute its powerĆup diagnostics. The green OK" light
should belit, and theBAT. OK" should belit. If this
Processor or any Processor in the rack displays code
LO", you will need to reĆload the operating system. See
4.1 for moreinformation.
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