6 Maintenance
6 - 6
NA-series Programmable Terminal Hardware(-V1) User’s Manual (V125)
1 Turn OFF the power supply to the NA Unit.
If the NA Unit has not been ON, turn it ON for at least five minutes and then turn it OFF.
2 Open the cover on the NA Unit, disconnect the Battery connector, remove the Battery, and
replace it with a new Battery.
Precautions for Correct Use
Be sure to install a replacement Battery within two years of the production date shown on the
Battery label.
When you turn ON the power supply to the NA Unit after you replace the Battery, the
_HMI_IsBatteryLow system-defined variable will automatically change to False.
If a Battery is not connected or the Battery voltage is too low, the following operation occurs.
•The _HMI_IsBatteryLow system-defined variable will change to True.
• Clock information will be incorrect.
6-2-2 Operation without a Battery
CJ1W-BAT01
14-03
Production Date
Manufactured in March 2014.
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