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 answerPhone button contact failed

200 Series Door Release One phone Not releasing Phone button contact failed

Recommended guidance200 Series

What to check

The top button is terminal 1 and when pressed connects to terminal G.

Test for lock operation by linking G to 1.

Clean contacts, silver stud and under copper colour contact.

Replace PCB with the same 'PCB Type'. See option boxes for the pcb type

ID13533