How to Troubleshoot the Panasonic 900 MHz Cordless Phone

Written by patrick nelson
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How to Troubleshoot the Panasonic 900 MHz Cordless Phone
Replace the phone cable that leads from the phone base station to the wall. (cable image by Eldin Muratovic from

Analogue cordless phone technology at the 900MHz frequency was too crowded, not private and prone to interference. It has been superseded by newer technology called Digital Enhanced Cordless Telecommunications technology--the DECT 6.0 standard, which functions at 1. GHz. If you still have a Panasonic 900MHz cordless phone, don't want to replace it, and have problems with it, many of those inherent problems can be corrected by following some troubleshooting steps.

Skill level:
Moderately Easy

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Things you need

  • Replacement battery
  • Replacement phone cable

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  1. 1

    Move the handset and base unit away from other electrical devices, in particular anything with a motor in it, like a washing machine, if you experience static, sound cutting in and out, fades and other sound problems. Isolate the Panasonic 900MHz phone by turning off other electronic devices to see if the interference goes away. Turn the devices back on one-by-one to see if you can identify the problem area. Plug the Panasonic phone directly into a wall socket rather than using an extension cord if you continue to experience interference.

  2. 2

    Move closer to the base unit and raise the antenna if there is one. Press the button marked "CH/Function" to select a clearer channel if you are in talk mode and continue to experience static.

  3. 3

    Replace the phone cable that leads from the phone base station to the wall if you continue to have problems. The cable is likely old, and can become damaged with use, despite there being no visible signs.

  4. 4

    Replace the battery if the phone won't hold a charge. These phones are quite old now and it's likely your battery has reached its end-of-life if you are experiencing problems with the battery's charge.

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