Danfoss 100 FLOW Error 52: Keypad Communication Fault

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

Fault code52

Keypad Communication Fault occurs when the connection between the control panel and drive is defective. The manual's first action is: “Check the control panel connection and the control panel cable if you have it.”

Model
Danfoss 100 FLOW
Display shows
Keypad Communication Fault (52)
Type
Fault code
Source
Manual p. 309

What 52 means

Keypad Communication Fault p. 309

Common causes

  • The connection between the control panel and the drive is defective. p. 309

What to do

  1. Check the control panel connection and the control panel cable if you have it. p. 309

If 52 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 52; 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.