5 Replacing Parts
FS100 5.3 Battery Replacement
5-4
5.3 Battery Replacement
The battery must be replaced as soon as the battery alarm occurred.
Please be sure to replace it within 1 hour after the power is turned OFF.
(When the programming pendant is used, a message to ask battery
replacement appears on its window.
Also, the timing can be confirmed by the lighting-up of the battery alarm
LED on the CPU unit (CPU-201R) or the battery alarm of the specified
output.)
• To perform this operation, it is required to open the top plate of the
FS100 while the power is turned ON.
Do NOT open the plate to perform the operation within five minutes
after turning OFF the FS100 power supply and primary power source.
• Do NOT touch units or terminal parts within five minutes after
turning OFF the FS100 power supply.
Failure to observe this warning may result in electric shocks.
• Close the top plate as soon as the maintenance work such as the
inspection or maintenance, etc. is completed.
Failure to observe this warning may result in electric shocks.
• To prevent anyone inadvertently turning ON the power supply
during maintenace operation, put up a warning sign such as “DO
NOT TURN ON THE POWER” at the primary power supply (knife
switch, wiring circuit breaker, etc.) .
Failure to observe this warning may result in electric shocks or injury.
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