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ABB ACS580 3210: DC link overvoltageCites the manual · line-by-line check pending
What it means DC voltage too high.
Safety Safety disclaimer: General information only, written in plain English by an experienced maintenance hand. It is not the manufacturer's instructions. Always follow the OEM manual, your site procedures and local electrical codes. Only qualified people should work on this equipment.
LOTO LOTO: Lock out and tag out all energy sources before touching wiring, motors or mechanics. Wait the drive's stated DC bus discharge time and verify zero energy with a meter before you work.
Likely causes Fast decel Regen load High supply Checks, in order Enable overvoltage control Lengthen decel Source Source (reworded, not copied): ABB, ACS580 Standard Control Program Firmware Manual, 3AXD50000016097 Rev J (2025-10-01), Fault tracing. Official manual (PDF) . Fault numbers and names can differ between firmware versions.