SRVO-290: DClink HC alarm
Abnormally high current in the amplifier's DC link - the HCAL disease detected at the DC bus.
What it means
Abnormally high current in the amplifier's DC link - the HCAL disease detected at the DC bus. Same isolation-test diagnosis as SRVO-045.
Common causes
Ranked by what technicians most often find, most likely first.
- Same as SRVO-045: shorted power cabling, failed motor windings, or failed amplifier.
How to fix it
- Work the SRVO-045 procedure - power off, lock out, support gravity axes before disconnecting brake cables, isolation-test amplifier/cable/motor. Qualified personnel. Power-cycle to clear.