Question about Uniden DCT648-3 Cordless Phone

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Phones won't work

I try to dial out on my phones and they all say out of range. They also won't ring when someone is calling. Please help.

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A) Ok first try to disconnect everything and connect all the batteries and cable back. Charge your batteries to full. Then if it still Out of range, do this with all your handsets.
- Disconnect the battery
- Hold the * and # key on the Handset and put the battery back without releasing the buttons. (now your in test mode)
- press the 2 softkey below the screen ( it's a factory reset, erase everything)
- You will see RAM/EEprom erase on the screen
-After the bip press end

B) OK! Now disconnect the power adapter from your base unit .
-Hold the memory button on your base and plug the power adapter at the same time. Then the base will bip to let you know that you done it correctly.
-after the bip press No.1 ( that's mean the handset 1 is de-registrer.
- Now De-register all the other handset by doing the part B again. But only changer the No.1 for 2 then 3 then 4.

C) Disconnect and reconnect everything and use your manual to register your handsets with the base and your done! Everything should be ok !

Posted on Nov 21, 2007


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