Useful Information

Problem

Cause/solution

The unit does not work.

L Make sure the batteries are installed correctly

 

(page 10).

 

L Fully charge the batteries (page 10).

 

L Check the connections (page 10).

 

L Unplug the base unit’s AC adaptor to reset the

 

unit. Reconnect the adaptor and try again.

 

L The handset has not been registered to the base

 

unit. Register the handset (page 23).

I cannot hear a dial tone.

L The base unit’s AC adaptor or telephone line cord

 

is not connected. Check the connections.

 

L Disconnect the base unit from the telephone line

 

and connect the line to 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 service provider/

 

telephone company.

 

 

Programmable settings

 

 

 

Problem

Cause/solution

The display is in a

L Change the display language (page 13).

language I cannot read.

 

I cannot register a handset

L The maximum number of handsets (6) is already

to a base unit.

registered to the base unit. Cancel unused

 

handset registrations from the base unit (page 23).

 

 

Battery recharge

 

 

 

Problem

Cause/solution

The handset beeps and/or

L Battery charge is low. Fully charge the batteries

7flashes.

(page 10).

I fully charged the

L Clean the battery ends (S, T) and the charge

batteries, but 7still

contacts with a dry cloth and charge again.

flashes or the operating

L It is time to replace the batteries (page 10).

time seems to be shorter.

 

38For assistance, please visit http://www.panasonic.com/help

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Panasonic KX-TG4023N, KX-TG4021 Programmable settings Problem Cause/solution, Battery recharge Problem Cause/solution