Sinumerik Alarm 2130 5V/24V encoder or 15V D/A converter under voltage
A failure has occurred in the power supply (FM357-2) to the encoder (5V/24V) or D/A converter (+/-15V).
– NC not ready.
– Mode group not ready, also effective for single axes
– NC Start disable in this channel.
– NC Stop on alarm.
– The NC switches to follow-up mode.
– Alarm display.
– Interface signals are set.
– Axes of this channel must be re-referenced.
Please inform the authorized personnel/service department.Check the encoder and cable for short-circuits (the fault should not occur when you remove the cable).Check the power feeder line.
Switch control OFF – ON.
- Siemens Diagnostics Guide by Siemens