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KX-TDA30NE - corrupt RAM?

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GertJanDeMan

Technical User
Dec 21, 2022
1
NL
Hello all,

I'm new to this group, so first a short introduction: IT-professional for more than 30 years, and (hobby) telephone enthousiast, owned more then 10 different PBX's in my life, and own a small collection of analog phones. Currently using a Panasonic KX-TD612 with multiple phones attached, but interesting in Panasonic KX-TDA30.

To attach my analog phones collection, I bought a brand new Panasonic KX-TDA30 with two 8-Port-SLT-cards (KX-TDA3174NE) and a 2-Port-BRI-Line Card (KX-TDA3280CE). Yesterday, installed the cards into the main system, and powered it up. That all seems to work fine, however, after initial setup and then cold-boot (powering down-and-up-again), it looks like the RAM gets corrupted: the attached Panasonic KX-T7630 phone warns that mailbox is full and a call is coming in:

Image1_jzu7s5.png


Also, when looking in the logs of the maintenance console, there is a major error (RAM battery low) on row 0.
The other rows show garbage:

Image2_ualaam.png


When I boot up with the initialize-switch-mode, and then switching to normal-mode, all is fine. It will also let me update date/time after connecting with Maintenance Console. But after powering down-and-up, above situation re-appears.

My questions:
- the RAM battery seems to be soldered to the mainboard, can it be replaced?
- will this solve the cold-reboot-problem?

Regards;
GertJan
Netherlands
 
Yes, the battery soldering to the mainboard.
No matter how it is, the battery must be changed.
 
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