OVERCURRENT means output current is excessive due to motor load, acceleration time settings, or faulty components. 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 (1)
- Type
- Fault code
- Source
- Manual p. 24
What 1 means
OVERCURRENT p. 24
Common causes
- Output current is excessive. p. 24
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. 24
Before you service the product, read the safety instructions in the manual p. 2.
If 1 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 1; 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.