Emotron VSU Error 41: LoU

Emotron VSU drive · taken from the manufacturer’s manual, pages cited

Fault code41

LoU code indicates abnormal input voltage or switching power supply issue. The manual's first action is: “Check input power grid voltage”

Model
Emotron VSU
Display shows
LoU (41)
Type
Fault code
Source
Manual p. 256

What 41 means

LoU p. 256

Common causes

  • Input voltage abnormal p. 256
  • Switching power supply abnormal p. 256

What to do

  1. Check input power grid voltage p. 256
  2. Seek services p. 256

Before you service the product, read the safety instructions in the manual p. 7.

If 41 is still not resolved

  • Seek services p. 256
    “Seek services”
Open the manual at page 256 All VSU error codes Manual details & download

This page summarises what the manufacturer’s manual says about 41; 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 Emotron. Found a mistake? Report an error.