Danfoss 100 FLOW Error ID 173: Unbalance (Alarm)

Danfoss 100 FLOW · taken from the manufacturer’s manual, pages cited

Fault codeID 173

Unbalance (Alarm) occurs due to current imbalance between power units, requiring installation and motor cable inspection. The manual's first action is: “Check the installation and the motor cables.”

Model
Danfoss 100 FLOW
Display shows
Unbalance (Alarm) (ID 173)
Type
Fault code
Source
Manual p. 302

What ID 173 means

Unbalance (Alarm) p. 302

Common causes

  • The current is unbalanced between power units. p. 302

What to do

  1. Check the installation and the motor cables. p. 302
  2. Redo the IGBT ID run. p. 302
  3. The event response can be set to No Action. p. 302

If ID 173 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact Danfoss service.

This page summarises what the manufacturer’s manual says about ID 173; 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 Danfoss. Found a mistake? Report an error.