AT&T E5655, E5644B, E5640, E5643B user manual Troubleshooting

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Troubleshooting

If you have difficulty with your telephone, please try the suggestions below. For Customer Service, visit our web site at www. telephones.att.com, or call 1 (800) 222-3111. In Canada, call 1 (866) 288-4268.

Problem

Suggestion

My telephone

• Make sure the battery is installed and charged

does not work

correctly. For optimum daily performance,

at all

return the cordless handset to the telephone

 

base after use.

 

• Make sure the power adapter is securely

 

plugged into an outlet not controlled by a wall

 

switch.

 

• Make sure the telephone line cord is plugged

 

firmly into the telephone base and the modular

 

wall jack.

 

• Unplug the unit's electrical power. Wait for

 

approximately 15 seconds, then plug it back

 

in. Allow up to one minute for the cordless

 

handset and telepone base to synchronize.

 

• Remove and re-insert the battery of the

 

handset. If that still does not work, it may be

 

necessary to purchase a new battery.

 

• Disconnect the telephone base from the

 

modular jack and plug in a working telephone.

 

If this telephone does not work, the problem is

 

probably in the wiring or the local service. Call

 

the local telephone company.

 

 

Low Battery is

• Place the handset in the telephone base or

displayed on

charger for recharging.

screen

• Remove and re-install the battery and use it

 

 

normally until fully discharged, then recharge

 

the handset on the telephone base or charger

 

for 16 hours.

 

• If the above measures do not correct the

 

problem, the battery may need to be replaced.

 

 

 

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Contents GHz Expansion Handset E560-2/E560-5 Need HELP? You may need to change your phone service to use this Information about caller ID with call waitingTable of contents Quick reference guide HandsetParts checklist Before you beginBattery & charger installation Low battery indicatorAdding new handsets To add a new handset Searching Replacing a handset To de-register all handsets E5640/E5643B/E5644BTo de-register all handsets E5655 only Re-registering a handset To re-register a handsetTo re-register a handset to a new telephone base Enter Base IDBelt clip & optional headset Troubleshooting Battery Battery doesDoes not ChargeWhen there is an There is no dialTone TelephoneProblem Troubleshooting Hear noise CordlessHandset, None of the keys Or buttons work System does Not receive callerCommands Record messageMessages System areDay of the week Is incorrect onMessage window Common cure For electronicImportant safety information Important safety information Especially about cordless telephones Precautions for users of implanted cardiac pacemakers Pacemaker PatientsEspecially about telephone answering systems FCC Part 68 and Acta FCC Part 68 and Acta FCC Part Limited warranty Limited warranty Limited warranty Limited warranty Please retain your receipt as your proof of purchase