AT&T MDW 9000 Quick Reference page 6

Troubleshooting
Symptom
After pressing
[ ], dial tone i
On/Off
S
not heard and hand-
set display does not
show anything.
After pressing [ ],
On/Off
dial tone is not heard
and the RADIO LED
on the radio module
does not light.
BATT appears in the
handset display.
Possible Causes
Battery is not charged
sufficiently.
Handset is out of range of
its matching radio module.
Telephone line cord is not
plugged into the radio
module.
There is no battery in the
handset.
Battery is not inserted
properly in handset.
Battery is not charged
sufficiently.
Handset is out of range of
its matching radio module.
There is interference from
another electrical device
(microwave) or metal walls.
Battery requires recharging.
5
Possible Solutions
Place handset in charging
cradle for 12 hours. Or, if
you have a fully charged
(14 hours) spare battery,
use it to replace the battery
in the handset.
Move the handset closer
to the radio module.
Plug the telephone line
cord into the radio module.
Insert battery in handset.
Make sure battery is inserted
properly in handset.
Place handset in charging
cradle for 12 hours. Or, if
you have a fully charged
(14 hours) spare battery,
use it to replace the
battery in the handset.
Move the handset closer
to the radio module.
Remove electrical device
causing interference or move
handset to another location.
You have 1-2 minutes of talk
time left. Either:
Complete your call, turn the
handset off, and recharge
the battery (12 hours).
If you have a fully charged
(14 hours) spare battery,
place your call on Hold.
Swap the batteries. Wait 6
to 10 seconds, then turn the
handset on and proceed as
you would for any call
placed on Hold.