Installation Manual

Page 20

(800)-321-2343 www.onqlegrand.com

VI. Troubleshooting

This section will detail possible solutions to common problems that might occur during installation of

or in using the On-Q/Legrand Selective Call Intercom System.

A. Contact Information

If you are unable to locate a solution here, please access our website at www.onqlegrand.com for

the latest information. You can also reach us at 1-800-321-2343.

B. Troubleshooting Guide

Problem Solution

No power to any intercom unit

-Check Intercom Module power LED to verify that it is lit.

If not, make sure power supply is plugged in.

-Verify that you are using the correct 24V power supply

for your system by obtaining the model number and

calling your On-Q installer or On-Q Technical Support.

No power to a specific Room Unit, Patio Unit, or

Door Unit

-Check the Cat 5e cable terminations at both the rear of

the Unit and at the Intercom Module. Verify that your

terminations follow the T568A wiring standard.

-If your wiring terminations are visibly correct according

to the T568A standard, test the conductivity of the

connections, and re-terminate if a problem is found.

-Check to see if a Unit will power on by plugging it into a

different port on the Intercom Module.

Feedback or squeal noise from a Room Unit, Patio

Unit, or Door Unit speaker

-Verify Unit placement. Avoid placing Units back to back

on a common wall. If Units must be placed on both sides

of a common wall, do so in a manner which avoids

feedback problems, ensuring that the audio from a Unit’s

speaker will not be audible to a nearby Unit’s

microphone.

-Feedback issues can normally be eliminated by

adjusting the volume of a Unit from a high level to a

medium level.

Hum or buzzing noise that can be heard in some or

all units of the Selective Call Intercom System

-Verify that the proper wiring guidelines, found in this

manual, have been followed.

-Verify that Cat 5e cabling does not run parallel to and

within 12 inches of AC power cabling. Also avoid running

Cat 5e cabling near florescent lighting fixtures, dimmer

switches, or fan controls.

Table 5