Danfoss 100 FLOW Error ID 311: Fan Cooling

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

Fault codeID 311

The fan speed is not matching the reference speed accurately, but drive operation remains correct. The manual's first action is: “Reset the fault and restart the drive.”

Model
Danfoss 100 FLOW
Display shows
Fan Cooling (ID 311)
Type
Fault code
Source
Manual p. 305

What ID 311 means

Fan Cooling p. 305

Common causes

  • The fan speed does not agree to the speed reference accurately, but the drive operates correctly. p. 305
  • This fault shows only in the MR7 and in enclosure sizes bigger than MR7. p. 305

What to do

  1. Reset the fault and restart the drive. p. 305
  2. Clean or replace the fan. p. 305

If ID 311 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 311; 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.