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10.1.3
Replacing the Battery
If the battery voltage drops to approximately 2.7 V or less, an A.830 alarm (Encoder Battery
Alarm) or an A.930 warning (Absolute Encoder Battery Error) will be displayed.
If this alarm or warning is displayed, the battery must be replaced.
Refer to the following section for the battery replacement procedure.
Battery Replacement Procedure on page 10-4
Battery Alarm/Warning Selection
Whether to display an alarm or a warning is determined by the setting of Pn008 = n.
(Low Battery Voltage Alarm/Warning Selection).
Parameter
n.
(default setting)
Pn008
n.
• Pn008 = n.
• The ALM (Servo Alarm) signal is output for up to five seconds when the control power supply
is turned ON, and then the battery voltage is monitored for four seconds.
No alarm will be displayed even if the battery voltage drops below the specified value after
these four seconds.
• Pn008 = n.
The ALM (Servo Alarm) signal is output for up to five seconds when the control power supply
is turned ON, and then the battery voltage is monitored continuously.
When di playing an alarm i
Pn008 = n.
When di playing a warning i
Pn008 = n.
0
Output alarm (A.830) for low battery voltage.
Output warning (A.930) for low battery volt-
1
age.
0
1
OFF
Control power upply
ALM ignal
Alarm
pecified:
0
pecified:
1
10.1 Inspections and Part Replacement
Meaning
ON
Normal tatu
5 max.
4
Battery voltage
monitored
Battery voltage monitored
10.1.3 Replacing the Battery
When Enabled
Classification
After restart
Setup
X
10
10-3
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Troubleshooting
