SRVO-136: DCLVAL alarm (aux amplifier DC link low)
DC bus voltage abnormally low on an auxiliary servo amplifier (αiSV) - the aux-axis version of SRVO-134, with a shorter suspect list.
What it means
DC bus voltage abnormally low on an auxiliary servo amplifier (αiSV) - the aux-axis version of SRVO-134, with a shorter suspect list.
Common causes
Ranked by what technicians most often find, most likely first.
- Wiring fault at the αiSV.
- Failed αiSV amplifier.
How to fix it
- Check the aux amplifier's wiring for the named axis.
- Replace the αiSV. Power-cycle to clear.