Appendix 
92
Troubleshooting
If you have diculty with your phone, please try the following suggestions. 
For 
Customer Service, visit our website at https://telephones.att.com 
or call  1 (800) 222-3111. In Canada, dial 1 (866) 288-4268.
My telephone doesn’t work at all.
 f Make sure the power cord is securely plugged in.
 f Make sure you plug the battery connector securely into the cordless handset.
 f Make sure you plug the telephone line cord securely and rmly into the 
telephone base and the telephone wall jack.
 f Charge the battery in the cordless handset for at least 10 hours. For 
optimum daily performance, return the cordless handset to the telephone 
base or charger when not in use.
 f If the battery is depleted, it might take approximately 30 minutes to 
charge the handset before it shows Low battery. See page 6 for details. 
 f Reset the telephone base. Unplug the electrical power. Wait for 
approximately 15 seconds, then plug it back in. Allow up to one minute for 
the cordless handset and telephone base to reset.
 f You may need to purchase a new battery. Please refer to Battery 
installation and charging in this user’s manual on pages 9-10.
The display shows No line. I cannot get a dial tone.
 f Try all the suggestions, as mentioned above.
 f If the previous suggestions do not work, disconnect the telephone line 
cord from your telephone and connect the telephone line cord to  
another telephone.
 f If there is no dial tone on that other telephone either, your telephone 
line cord may be defective. Install a new telephone line cord.
 f If changing the telephone line cord does not help, the wall jack (or the 
wiring to this wall jack) may be defective. Try using a dierent wall jack 
in your home to connect your BL102/BL102-2/BL102-3/BL102-4/ 
BL102-5 | BL102-1S/BL102-2S/BL102-3S/BL102-4S/ BL102-5S telephone, 
or contact your telephone service provider (charges may apply).
I cannot dial out.
 f Try all the suggestions, as mentioned above.
 f Make sure you have a dial tone before dialing. The cordless handset might 
take a second or two to nd the telephone base and produce a dial tone. 
This is normal. Wait an extra second before dialing.