Auerswald COMFORTEL DECT 650C, User Manual

Page: 145 / 148

Troubleshooting 145
TROUBLESHOOTING
Symptom Possible cause Solution
The handset doesn’t switch on Batteries discharged or not (well)
installed. Try charging the handset for few minutes, then
remove it from the base. If it still doesn’t switch
on, check the battery installation (ref.
chapter
Installing the Batteries on page 89 ).
Batteries damaged or not suitable If you already did the above stated operation
unsuccessfully, try replacing the batteries
Faulty handset Contact an authorized service centre
Handset works, but doesn’t
access the base unit No power connection in the base
unit Check the connection of the AC power adaptor
(ref.
chapter Connections on page 89 )
Handset not registered to the base
unit or lost of registration Try registering the handset to the base (ref.
chapter Setting Display on page 127 )
Handset works and access the
base unit, but no dial tone is
heard. Wrong connection of the phone line
cord Check the connection of the line cord (ref.
chapter Connections on page 89 )
Handset works perfectly, but
the number are not dialed to
the line. You have set the dual tone multi fre-
quency system (DTMF), but your
line doesn’t support it. Try selecting the pulse dial (ref. chapter Choos-
ing the Dial Mode on page 91 )
Handset works perfectly, but
you hear a beep during the
phone calls Batteries near to be fully discharged Check the battery charge and charge it if nec-
essary (ref. chapter Battery Checking and Han-
dling on page 85 and chapter Charging the
Handset Batteries on page 90 )
Noise and audio interferences
on your phone calls Handset too far from the base Get closer to the base unit. If you can access
more base units, try selecting a closer one
(
chapter Base Selection on page 136 ).
Handset works perfectly, but
doesn’t ring with incoming calls. Ring volume level set to OFF Select another ring level (ref. chapter Selecting
Ring Type on page 123 )
Handset can only receive calls.
Keypad locked. You have disabled the keypad lock
function. Try by keeping pressed the star key (ref. chap-
ter Paging on page 103 ).
The phone doesn’t dial certain
numbers Outgoing calls barring function acti-
vated Check the call barring function and change it if
necessary (ref.
chapter Barring Outgoing Calls
on page 132 ).
Phone doesn’t work properly
with some special services or if
connected to an exchange
extension (PABX). Flash time not properly set. Check the Flash time and set it properly (ref.
chapter Setting the Area Code on page 131 ).
Battery duty is very low You regularly charged the batteries
with more than one bar Try performing the operation described at chap-
ter Restoring the Battery Duty on page 85
Charging contacts not clean Clean them as described in chapter Cleaning
on page 87
Battery life reached the end Replace the batteries
Logical malfunctioning in the
handset or base unit AC power supply noise or electro-
static spikes could temporarily
altered the internal memory Try resetting the handset or the base (ref. chap-
ter Resetting the Handset or the Base on
page 135
)
Faulty handset or base unit Contact an authorized service centre
Cannot send and/or receive
SMS messages, or SMS Mes-
sages are received just as
voice messages. Call barring is on. Set it to off (ref chapter Barring Outgoing Calls
on page 132 )
Other SMS phones connected to
the line. Disconnect the other phones.
Service centers are not (properly)
set Set/check the SMS service centers (ref. chapter
Setting Service Center Number on page 116 )