Troubleshooting Your Telephone - Comdial DSU User Manual

Dsu and dsu ii series digital telephone systems single line proprietary telephone (slps) station

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Table of Contents

GCA70–246

Troubleshooting

Your Telephone

Symptom

INTERCOM light flashing

MUTE light on

Error Tone

(three steady tones)

Single Line Telephone Station User's Guide 10 – 1

Troubleshooting Your Telephone

Possible Cause

Your messaging is set. Lift handset, then

dial # 02 and hang up.

Station is ringing with ringer off.

MUTE is activated. To cancel, press

MUTE.

May occur when incorrect extension is

dialed.

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