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 answerDC Fuse blown

200 Series Video All phones No Picture, Poor Picture DC Fuse blown

Recommended guidance200 Series

What to check

There are two Video DC Fuses, both are on a "Timed" adjustable output.

The SW-12v Fuse powers the Camera and the subject lighting above it.

The SW-20v Fuse powers the 900-VS4 video distributors and monitors.

Start timer by momentarily linking SIG to "-"

Measure DC voltage at the SW-12v and SW-20v terminals

Or remove fuses and check.

Corrective Action

Replace Fuse with same type 2 Amp 1.25" (63mm)

ID13533