AT&T CL4939 user manual Troubleshooting

Appendix

Troubleshooting

If you have difficulty with your telephone, please try the suggestions below. For Customer Service, or to purchase accessories or replacement parts, visit our website at www.telephones.att.com, or call 1 (800) 222-3111. In Canada, dial 1 (866) 288-4268. Have the serial number, found on the underside of your telephone, available when contacting customer service. Please retain your receipt as your proof of purchase.

My telephone	•	Make sure the power adapter is securely plugged into
appears to be dead.		an electrical outlet not controlled by a wall switch.
	•	Unplug the power adapter from the electrical outlet.
		Wait for approximately 15 seconds, then re-install
		it. Allow up to one minute for the telephone to
		synchronize.
	•	Disconnect the telephone base from the telephone
		wall 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 telephone
		service provider.
There is no dial tone. •		First, try all suggestions in My telephone appears
		to be dead on this page.
	•	The telephone line cord might be malfunctioning. Try
		installing a new telephone line cord.
	•	Make sure the coiled handset cord is securely installed
		between the handset and the telephone base.
	•	Disconnect the telephone base from the telephone
		wall jack and connect a different telephone. If there
		is no dial tone on that telephone either, the problem
		is in your wiring or local service. Contact your
		telephone service provider (charges may apply).

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