Technical support

Fault Finding Guide

Work through a few focused questions to identify the likely cause and find the relevant technical guidance.

Choose the closest answerLamp failed

200 Series Door Unit Lighting Lighting Name insert Illumination Lamp failed

Recommended guidance200 Series

What to check

There maybe more than one lamp behind the name inserts.

Measure voltage across lamp terminals, should be about 12vAC

Replace lamp bulb.

Newer types have LED's

ID13533