12. Help
63

12.2.2 Cordless handset

*1 KX-FC255AL only
Troubleshooting
12.3 When a function does not work, check here
If you still have difficulties after following the instructions in this section, reset the unit. Disconnect the power cord and
turn OFF the cordless handset. Reconnect the power cord and turn ON the cordless handset.

12.3.1 Initial settings

Display Cause & Solution
“Answer Sys. Full”LErase unnecessary messages (page 42, 43).
“Error”LRecording was too short. Try again.
“Failed”LPhonebook copy failed. Confirm the destination unit is in standby mode and
try again.
“Incomplete”LThe destination unit’s phonebook memory is full. Erase the unnecessary
phonebook items from the destination unit and try again.
“Invalid Number”*1 LYou tried to send an SMS message to a phone number saved in the handset
phonebook, caller list, or redial list that is over 20 digits long.
“Memory Full”LThe cordless handset’s phonebook memory is full. Erase unnecessary
items (page 23).
LThere is no room left in memory to record voice messages. Erase
unnecessary messages (page 42, 43).
“SMS Full”*1 LErase unnecessary messages (page 29).
“You must first
subscribe to Caller ID.”
LYou must subscribe to Caller ID service. Once you receive caller information
after subscribing to Caller ID service, this message will not be displayed.
Problem Cause & Solution
I cannot hear a dial tone. LIf you used a splitter/coupler to connect the unit, remove the splitter/coupler
and connect the unit to the wall jack directly. If the unit operates properly,
check the splitter/coupler.
LDisconnect the unit from the telephone line and connect a known working
telephone. If the working telephone operates properly, contact our service
personnel to have the unit repaired. If the working telephone does not
operate properly, contact your telephone company.
LThe power cord or telephone line cord is not connected. Check the
connections.
LIf you have connected the fax machine through a computer modem,
connect the fax machine directly to a telephone line jack.
The unit does not work. LCheck the connections (page 16).
LMake sure that the cordless handset’s battery is installed correctly (page
15) and fully charge it (page 17).
The unit does not ring. LThe ringer volume is turned OFF. Adjust it (page 18).
I cannot make calls. LYou dialled a call restricted number. Remove the number from the call
restricted list (page 54).