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.
Quick facts
- Category
- Servo
- Affected series
- R-30iB; R-30iB Mate; R-30iB Plus; R-30iB Mate Plus
- Alarm family
- SRVO
Related codes
- SRVO-135FSAL alarm (aux amplifier fan stopped)
- SRVO-134DCLVAL / DCLVAL (PS) alarm (DC link voltage low)
- SRVO-138SDAL alarm (pulse coder signal error)
- SRVO-133FSAL (PS) alarm (power supply fan stopped)
- SRVO-131LVAL / LVAL (PS) alarm (PS control voltage low)
- SRVO-130OHAL1 (PS) alarm (power supply overheat)
- SRVO-126Quick stop error
- SRVO-124Check HardStop if Hit