AT&T TL74458 Benutzerhandbuch

83

Appendix L

Troubleshooting

CONNECTING...
displays on my 
cordless handset

The batteries 
will not hold a 
charge

•   If the cordless handset is in the charger and the charge 

light does not come on, refer to 

The charge light is off 

in this 

Troubleshooting guide.

•   Charge the battery in the cordless handset for at least 

16 hours. For optimum daily performance, return the 
cordless handset to its base when not in use.

•  If the battery is depleted, it may take approximately four

If the battery is depleted, it may take approximately four 
minutes to charge the handset before it can resume 
display on the screen.

•   You may need to purchase a new handset battery, 

please refer to the 

Battery installation and charging 

section of this user’s manual.

•   Your phone might be malfunctioning. Please refer to 

the 

Limited warranty section of this user’s manual for 

further instruction.

•  Ensure that the telephone base is powered up.
•  Place the cordless handset in the telephone base for 

one minute to allow the cordless handset and base to 
resynchronize channels.

•  Move the cordless handset closer to the telephone base. 

You might have moved out of range.

•  Reset the telephone base. Unplug the unit’s electrical 

power. Wait for 15 seconds then plug it back in. 
Allow up to one minute for the cordless handset and 
telephone base to reset.

•  Other electronic products can cause interference with 

your cordless phone. Try installing your phone as far 
away from these types of electronic devices as possible: 
television sets, VCRs, or other cordless telephones.

•  If there is no AC power, even if there are base batteries, 

you may see this display.

I get noise, 
static, or weak 
signal even 
when I’m near 
the telephone 
base

•   If you subscribe to high-speed Internet service (Digital 

Subscriber Line - DSL) through your telephone line, you 
must install a DSL filter between the telephone base 
and the telephone wall jack (see page 6). The filter will 
prevent noise and caller ID problems caused by DSL 
interference. Please contact your DSL service provider 
for more information about DSL filters.