[Cause]
The battery voltage of the pulse encoder is lower than the reference value. The numbers in parentheses indicate the action group number and the axis number within the action group.
[Countermeasure]
Replace the battery.
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NOTE When this alarm is issued, the battery should be replaced as soon as possible with power on. If the battery is not replaced in time and a BZAL alarm occurs, the position data will be lost, which requires zero point calibration.