TELEPHONESERVICEPROBLEMS

TROUBLESHOOTING

PHONEDOESNOTRING

1.HI/LOW/OFF ringer switch is set to OFF position

2.Line cord is disconnected at telephone outlet or at telephone end.

3.Phone is OFF HOOK. Make certain the hookswitch is depressed when the handset is in the cradle.

4.SPEAKERPHONE indicator is on. Turn off speakerphone.

NO DIAL TONE

Wire is disconnected at telephone jack or at wall jack. Test the telephone in a different wall jack. If it works, the first jack may be defective.

HAVE DIAL TONE BUT CANNOT DIAL OUT

Check if the PULSE/TONE switch is at the correct position.

REDIALBUTTONDOESNOTFUNCTION

The telephone may have been momentarily disconnected from the telephone jack.

BLANKSCREEN

Check if the adaptor is connected properly

CALLERSARENOTDISPLAYEDONTHESCREEN

1.Verify that you have subscribed to the appropriate service (Caller ID and Call Waiting Caller ID) from your telephone company. If you only subscribed to the Caller ID service this unit will not display the call waiting caller ID information.

2.Check if your answering machine is set to answer the call before 2 rings. If so, switch the setting to answer after 2 rings.

NO CALLER INFORMATION IS DISPLAYED WHEN HEARING THE CALL WAITING AUDIOSOUND

Verify that you have subscribed to the Call Waiting Caller ID service from your telephone company.

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Cortelco 7150 instruction manual Telephoneserviceproblems