Moeller M1-800-MOELLER Error Lo: A low voltage condition exists.

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

Fault codeLo

A low voltage condition exists and the unit has failed to start. The manual's first action is: “Display alternates "SP", "ub", or "Lo" with the "DISPLAY / PROGRAM" switch parameter value.”

Model
Moeller M1-800-MOELLER
Display shows
A low voltage condition exists. (Lo)
Type
Fault code
Source
Manual p. 8

What Lo means

A low voltage condition exists. p. 9

Common causes

  • The unit has not started. p. 9

What to do

  1. Display alternates "SP", "ub", or "Lo" with the "DISPLAY / PROGRAM" switch parameter value. p. 9

If Lo is still not resolved

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

This page summarises what the manufacturer’s manual says about Lo; 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.