ABB ACS550-01 / ACS550-U1 Error 22: SUPPLY PHASE

ACS550-01/U1 drive · taken from the manufacturer’s manual, pages cited

Fault code22

SUPPLY PHASE occurs due to ripple voltage in DC link being too high. The manual's first action is: “Check for and correct: • Missing mains phase. • Blown fuse.”

Model
ABB ACS550-01 / ACS550-U1
Display shows
SUPPLY PHASE (22)
Type
Fault code
Source
Manual p. 245

What 22 means

SUPPLY PHASE p. 262

Common causes

  • Ripple voltage in the DC link is too high. p. 262

What to do

  1. Check for and correct: • Missing mains phase. • Blown fuse. p. 262

Before you service the product, read the safety instructions in the manual p. 6.

If 22 is still not resolved

  • contact your local ABB representative for replacement p. 6
    “Never attempt to repair a malfunctioning drive; contact your local ABB representative for replacement.”
  • For more technical information, contact your local ABB representative. p. 7
    “For more technical information, contact your local ABB representative.”

This page summarises what the manufacturer’s manual says about 22; 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.