LS ELECTRIC L7SB Series (400V) Error W-40: UD_VTG – Meaning, Causes & Fix

Warning codeW-40

UD_VTG indicates low voltage warning. The manual's first action is: “When [P0-06] DIGIT 2 is set to 1, the DC link voltage is 190 V or below.”

Model: LS ELECTRIC L7SB Series (400V)
Display shows: UD_VTG (W-40)
Type: Warning code
Source: Manual p. 142

Meaning
Common causes
What to do
Still not solved
Source

What W-40 means

UD_VTG p. 142

Common causes

Low voltage warning p. 142

What to do

When [P0-06] DIGIT 2 is set to 1, the DC link voltage is 190 V or below. p. 142

If W-40 is still not resolved

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

Open the manual at page 142 All L7SB Series (400V) error codes Manual details & download

This page summarises what the manufacturer’s manual says about W-40; 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 LS ELECTRIC. Found a mistake? Report an error.