Question about Panasonic KX TGA400B Cordless Expansion Handset

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Handset We have this 4 line phone for our home office and have replaced one handset because the #1 key/button would not work. Is there any way to repair this without having to spend over $100 for another new handset? The other numbers work just fine.

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  • koke794 Jan 13, 2009

    I have a similar problem. I took it apart, cleaned the pad but when I put it back together, I noticed the battery getting very warm and the battery icon only shows 1 bar. Can anyone help me to troubleshoot this?

  • davidcbaker Jan 28, 2009

    I have the same problem after cleaning my keypad. Reassembled the unit and now the battery shows one bar, it heats up in the charger, light works on the phone but none of the buttons respond.


    Anyone know what this problem is?

  • davidcbaker Jan 28, 2009

    The manual states that this problem (one bar on battery after charging) means the battery needs to be replaced. Weird that the battery was working fine (talk time, standby time) befoe I took the thing apart.

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I have had this problem multiple times. It is apparently a flaw with the keypad on the phone. The keypad emits too much oil and causes it to stop working. I've sent my phone in twice to get the keypad replaced (there are companies selling replacement pads on ebay), otherwise, I've just learned to take my phone apart, wipe off the contacts and it works fine.

Posted on Apr 22, 2008

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Yes that is a common problem, and you can send your handsets in for repair with a number of options. There is Panasonic in McClellan Texas that is of course the most expensive, and I believe they exchange your handset with another. Then there are independent facilities that are less expensive and sometimes better, where you normally get back the handset you send in but repaired/refurbished, etc. But you do get what you pay for, just like everything else. You can do a google search for "Panasonic Cordless Telephone Repair" and go from there. There are repair deals for full refurbishing, new plastic, new batteries all included to fully freshen up your phone if it needs more than the buttons fixed, you merely need to ask if you think you want to go that route. Good Luck, CG

Posted on Feb 14, 2008

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How do i put the ring tone back in the handset


    Does the Phone Power Up?
  1. When you pick up your GE cordless phone and press a button, the phone should beep as a confirmation that a button has been pressed. If the telephone handset does not beep, or if it does not respond to any buttons, the battery may be in need of a recharge. Verify that the cordless phone base unit is plugged in to an electrical source, then place the handset into the charging cradle. If no lights illuminate on the phone, or if charging fails to correct the issue, clean the metal charging contacts on the cordless handset and place the phone back on the charger. If it still fails to respond or to charge, the unit may need to be serviced or replaced.
  2. Does the Battery Hold a Charge?
  3. If the cordless phone charges up and appears to be ready for use but dies after only short periods of use, the internal rechargeable batteries may need to be replaced. Replacement batteries are widely available at electronics and discount retail stores. Note your phone's exact model number, as this number will be necessary when purchasing a replacement battery.
  4. Listen for a Dial Tone
  5. If the GE cordless phone powers on, and beeps when you press keys, but no dial tone is heard, one of three problems is the likely culprit. The phone's batteries may have an insufficient charge to fully power the phone, a condition that can be corrected by simply placing the phone back in the charger. If the batteries are charged, but no dial tone is heard, it is also possible that another telephone in your home or office is "off hook" or in use; verify that all telephones, fax machines and modems are securely on the hook. If there is still no dial tone, your telephone service may have been disconnected or require service by your local telephone company.
  6. Listen for Static
  7. On some GE cordless phone models, particularly older models, static may be heard if the radio signal between the handset and base unit experiences interference. Common sources of interference include unshielded electronics, appliances, and radio transmitters, as well as high-tension power lines. If your phone offers an option to change channels, try several different channels to see if the static is eliminated. If static continues to exist, or if static can be heard on wired phones sharing the same line, your telephone line may require service.
  8. Verify Your Handset is Registered
  9. Some models of GE cordless phones may display a message on the display screen that the handset needs to be registered. If this message appears, move the handset close to the base unit and press the "Prog/Mute" button near the bottom of the handset. Next, press the "Pager" button on the base unit (your handset may instruct you to perform this step). Finally, press the "Prog/Mute" button on the handset one more time to complete the registration process. Your GE cordless phone should now work correctly.The GE Cordless Phone brand is designed to deliver the conveniences of cordless home service with quality sound and features. There are many models of the GE Cordless Phone. The most current models, including the DECT 6.0, have standard features such as call waiting, caller ID, visual ring indicator, phone number memory and digital answering systems .
  10. Before you use your GE Cordless Phone, ensure that you have all the parts. Your cordless phone package should include the phone base, a handset battery pack, a battery compartment cover, the cordless handset, a wall mount bracket, and a telephone line cord and AC power adaptor. Once you have confirmed that you have all of your parts, insert the handset battery pack into the handset and replace the battery compartment cover. Insert your telephone line cord and the AC power adapter into the phone base. The phone base identifies the telephone line as TEL LINE and the adapter as AC. Plug the phone base into the electrical socket. Place the cordless handset into the base. Allow the phone to charge for at least 16 hours before its first use. Failure to fully charge the battery before its first use will result in poor battery performance.
  11. Once you have fully charged your phone, you can proceed with setting up your phone's features. If your cordless phone includes an answering system, complete this setup process first. Turn on the answering system by pressing the on/off button. The message indicator light will display. The cordless phones are defaulted to English as the selected language. To change your language preference, press the "Skip" button for two seconds. The language will change to Spanish. Next, you will set up your voice time and day stamp. While the answering system is on, press the "Answer" button on your handset for two seconds. The phone will enter the answerer mode. Press the "8" key. This will take you to the time/day setup menu. Use the number keys to set the hour and minutes. Use the volume up and down arrows to set the AM/PM. Press "#" to save. The cordless handset will also require that you give it a name. Press the "Mute" button for two seconds until the handset reads "ENTER NAME." Enter the name of the handset by using the touchtone keypad. Press the "Mute" button to save. Enter the default area code by pressing "Mute" until the phone displays "AREA CODE." Enter your three-digit area code and press the "Mute" button to save.
  12. GE Cordless Phones are designed to be simple and convenient to use. To place or answer a call, press the TALK button. You can pre-dial a number by dialing the number before pressing the TALK button. When you are ready to make the call, press TALK and the phone will dial automatically. To answer a call that is waiting on the other line, press the FLASH button. If you experience call interference or bad reception while on a call, press the CHANNEL button until your line clears

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Tip

How To Reset and Re-Register Your Uniden Handset and Base


<b>Clear the Handset's Base Data<br /></b>1.To remove the base data from a handset when out of range of the base, press and hold the 'end' button and the '#' button simultaneously until the phone beeps.<br />2.It will now be de-registered from the base.<br />Note: This requires that the base and handset can communicate with each other.<br /> <br /> <b>Clear the Base Handset Data</b><br />1.To de-register all handsets from the base, remove power to the base, and remove the handset from the base.<br />2.Press and hold the 'flash/find hs' button while applying power.<br />3.Wait for the beep and release the button.<br />4.The charge light will now flash.<br />5.Sit any handset in the cradle.<br />6.When the flashing stops, re-register the handsets to the base.<br /> <br /> <b>Re-Register a Handset to the Base<br /></b>1. Remove Handset Battery.<br />2. Reconnect battery while holding down "*" and "#" key.<br />3. Then press the right upper key under the LCD.<br />4. Press the "End" key.<br />5. Wait a few seconds and then the phone will be ready to register to the base.

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(Got this from a Panasonic Support Tech...Thanks Panasonic!) The following steps are worth a try.... Resetting Handsets & Base Unit: 1) Unplug AC adaptor from base unit for 30 seconds. 2) Reset handsets by removing/reinstalling all batteries.
Re-register each handset to the base unit by following the steps below:

1. Press MENU, #, 1, 3, 0 on the handset. 2. On the base unit, press and hold the LOCATOR button for 4 seconds until the registration tone sounds. 3. On the handset, press the soft key below OK and then wait until a long beep sounds. 4. Press the OFF button to exit. Situate the base unit in a different location. Change the line mode from A to B or vice-versa by following the steps below:

1. Press MENU on the handset. 2. Press #, 1, 2, 2. 3. Press the up or down arrow key to select the desired setting. 4. Press the soft key below SAVE. 5. Press the OFF button to exit. If the problems persist, your unit is malfunctioning and is in need of repair or replacement.

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(Just received this from Panasonic Support...Thanks Panasonic!) The following might be worth a try.... Resetting Handsets & Base Unit: 1) Unplug AC adaptor from base unit for 30 seconds. 2) Reset handsets by removing/reinstalling all batteries.
Re-register each handset to the base unit by following the steps below:

1. Press MENU, #, 1, 3, 0 on the handset. 2. On the base unit, press and hold the LOCATOR button for 4 seconds until the registration tone sounds. 3. On the handset, press the soft key below OK and then wait until a long beep sounds. 4. Press the OFF button to exit. Situate the base unit in a different location. Change the line mode from A to B or vice-versa by following the steps below:

1. Press MENU on the handset. 2. Press #, 1, 2, 2. 3. Press the up or down arrow key to select the desired setting. 4. Press the soft key below SAVE. 5. Press the OFF button to exit. If the problems persist, your unit is malfunctioning and is in need of repair or replacement.

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