ABB ACH550 Error 19: OPEX LINK

AC drive · taken from the manufacturer’s manual, pages cited

Fault code19

OPEX LINK means a communication problem has been detected on the fiber optic link between OITF and OINT boards. The manual's first action is: “Contact your local ABB sales representative.”

Model
ABB ACH550
Display shows
OPEX LINK (19)
Type
Fault code
Source
Manual p. 25

What 19 means

OPEX LINK p. 25

Common causes

  • Internal fault. A communication-related problem has been detected on the fiber optic link between the OITF and OINT boards. p. 25

What to do

  1. Contact your local ABB sales representative. p. 25

Before you service the product, read the safety instructions in the manual p. 2.

If 19 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 19; 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.