The drive has detected excessive current flow due to the current limiting controller being active. The manual's first action is: “Check for and correct: • Excessive motor load. • Insufficient acceleration time (parameters 2202 ACCELER TIME 1 and 2205 ACCELER TIME 2). • Faulty motor, motor cables or connections. • Output disconnect device not interlocked. • Interaction with external input filter.”
- Model
- ABB ACH550
- Display shows
- OVERCURRENT (2001)
- Type
- Fault code
- Source
- Manual p. 29
What 2001 means
OVERCURRENT p. 29
Common causes
- Current limiting controller is active. p. 29
What to do
- Check for and correct: • Excessive motor load. • Insufficient acceleration time (parameters 2202 ACCELER TIME 1 and 2205 ACCELER TIME 2). • Faulty motor, motor cables or connections. • Output disconnect device not interlocked. • Interaction with external input filter. p. 29
Before you service the product, read the safety instructions in the manual p. 2.
If 2001 is still not resolved
- contact the factory or your local Authorized Service Center for repair or replacement. p. 2 “Never attempt to repair a malfunctioning ACH550; contact the factory or your local Authorized Service Center for repair or replacement.”
This page summarises what the manufacturer’s manual says about 2001; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with ABB. Found a mistake? Report an error.