Cortelco 122000TP227S Troubleshooting, Verify that the line cord is connected, Tightly secured

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TROUBLESHOOTING

If you have problems with your phone, please check below for helpful hints:

BLANK OR FAINT SCREEN

CALLER ID DOES NOT WORK

PHONE WILL NOT RING

￿Check line cord and adapter.

￿Check Contrast setting.

￿Be sure your caller ID service is active.

￿Do not answer the phone before two rings.

￿If the problem continues, contact the telephone company.

￿Be sure the ringer is not off.

￿There may be too many devices connected to the phone line. Remove all other phones and see if this phone will ring. If so, add devices back one by one to find the problem unit.

NO DIAL

￿ Verify that the line cord is connected.

TONE

￿ Verify that the line cord connection is correct and

 

tightly secured.

NO CHARACTERS

￿ Check power adapter.

ON DISPLAY

 

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Contents 122000TP227S Table of Contents Feature List Feature List Locationsafetyinstructionsof Controls Box Contents IntroductionInstallation Desk Location of Controls Headset jack Power jack Telephone line jack Using handset Using speakerphoneSwitching a call between handset and speakerphone Function ButtonsCancelling a call on hold Putting a call on holdMethod Headset Page Headset Page Press Directory Page Menu Settings Enter the number of 3 second pauses to be inserted between Page 2012 Caller ID Information Display MessagesPrivate Caller ID System Operation Call Back from Caller ID Off-HookOn-Hook Caller ID on Call Waiting Troubleshooting Check power adapterVerify that the line cord is connected Tightly securedTelephone Repair Limited Warranty FCC Information