Moeller M1-800-MOELLER Error CF: Tripped on Contactor Failure

Electronic overload relay · taken from the manufacturer’s manual, pages cited

Fault codeCF

The unit tripped due to contactor failure, despite not being single phased by incoming voltage. The manual's first action is: “Check for damaged contacts or loose wiring.”

Model
Moeller M1-800-MOELLER
Display shows
Tripped on Contactor Failure (CF)
Type
Fault code
Source
Manual p. 8

What CF means

Tripped on Contactor Failure p. 9

Common causes

  • The unit has tripped on a single phasing of the current, but was not single phased by the incoming voltage. p. 9

What to do

  1. Check for damaged contacts or loose wiring. p. 9

If CF is still not resolved

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

Open the manual at page 8 All M1-800-MOELLER error codes Manual details & download

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