PANASONIC KX-TG2431 CORDLESS PHONE

You need to pair your expansion handset with the base unit for it to work.
If you look in manual it will tell you the sequence of buttons to press.

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NO LIN TO BASE MOVE CLOSER TO BASE, TRY AGAIN

Set the phone on the charging cradle and press the ON button while phone is in crade. You may need to use the speakerphone button to do this. Turning the phone on while in the charging cradle will resync your handset with its base. Try it! It should work!

Hand each phone up on the base and it will marry it. If you continue to have no link to base make sure everything is plugged in correctly. If it persists you probably have a defective phone.

Well, you could move closer to the base, or try this: RE REGISTER the HANDSET. That works every time when our cordless goes stupid.

Carl

I called you 800 number in the day to talk to a real person, and they told me what to do. - much better than your confusing web site. Thanks!

unplug it from the wall and wait for about 15minutes

This worked for my mother's KX-TG2357:

We tried doing what it said in the manual on page 54. That didn't work! She then decided to just unplug everything. About 3-5 minutes later, plugged everything back in, and lo and behold, everything was working fine!!

Press MENU, scroll down to INITIAL SETTINGS (press select), scroll down to REGISTRATION (press select), then select HS REGISTRATION, and follow the instructions on the handset screen. This is for the KX-TG6071B, but is similar for most Panasonic Cordless phones. That will link the handset to the base, and YOU MUST DO IT WITH EACH HANDSET.

Your getting this message because the radio portion of the handset or/and base is not communicating with each other. This can be temporary or fatal. You can try re-registering the handset(s) to the base by following the directions in the manual, its fairly easy to do for any model. If that does not work,and you have more than one handset not working with this problem, then it sounds as if your base needs repair or replacing.