Danfoss 100 FLOW Error 68: Maintenance Counter 1 Alarm

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

Fault code68

Maintenance Counter 1 Alarm occurs when maintenance counter exceeds alarm or fault limits, requiring maintenance and resetting the counter. The manual's first action is: “Do the necessary maintenance. Reset the counter. See parameter B3.1.64 or P3.5.1.40.”

Model
Danfoss 100 FLOW
Display shows
Maintenance Counter 1 Alarm (68)
Type
Fault code
Source
Manual p. 312

What 68 means

Maintenance Counter 1 Alarm p. 312

Common causes

  • The value of the maintenance counter is higher than the alarm limit. p. 312
  • The value of the maintenance counter is higher than the fault limit. p. 312

What to do

  1. Do the necessary maintenance. Reset the counter. See parameter B3.1.64 or P3.5.1.40. p. 312
  2. Do the necessary maintenance. p. 312
  3. Reset the counter. See parameter B3.164 or P3.5.140. p. 312

If 68 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 68; 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.