21.
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MAINTENANCE AND INSPECTION
21.3.2 Battery replacement procedure
(1) CPU module battery replacement procedure
Replace the battery of a CPU module according to the following procedure when life
of the battery is over. Even when the battery is removed, memory is backed up by the
capacitor for a while. However, if replacement takes longer than the guaranteed value
shown in the following table, the content of the memory may be erased, so replace
the battery quickly.
WARNING
Correctly connect the battery connector.
Do not charge, disassemble, heat, short-circuit, solder, or throw the battery into the
fire.
Incorrect battery handling may cause personal injuries or a fire due to exothermic
heat, burst and/or ignition.
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