tracfone nokia 2126 dies after adding time

HI I have a nokia 2126 tracfone that was working with no problems until I added some airtime. After I added the time on their website the phone didn't show the additional time so I turned it off and turned it back on after a few moments. At this point the phone wouldn't start completely before it started vibrating and beeping about every 4 or 5 seconds. It will do this continually. The only way to stop it is to pull the battery. I called tracfone and they said the phone is no good and I need to buy another. I searched some and found 4 other cases with the very same problem. Has anyone else experienced this with their tracfone. I would just go buy another phone but I'm bother that I will lose the double minute card I had very recently put on the phone. It is only good for the life of the phone, how convenient for them. I think it is something within their system.
Thanks
esous