Swallow charger errors

[tc3_racer_001]

hi there. this is aimed at those with higher/better knowledge of electronics and the swallow ac/dc charger.

heres my problem. it was working fine, until i decided to see what i could get into... details below. all im after is a solution to fix this/reset if to normal...

here goes nothing

hold battery type and enter then turn on
this will show, and arrow keys can be used to change the values


swallow_acdc2_15
mega16 05/09/01
enter
INPUTVOLT CALIB
12.120V 32768
enter
BATTERY CALIBRAT
+:65535 -:65535
enter
CHARGE CURRENT
0.000A 32136 220
enter
DISCHARGE CURR.
0.000A 31244
enter
CALIBRATION COMPLETE
1 second later shows
CALIBRATION
DATA FAILED

then beeps very fast, the same speed as an error code

the charger in question is this one: http://cgi.ebay.com.au/ws/eBayISAPI....MESE:IT&ih=001
this is my ebay auction of the charger... and i need to get it sorted asap or bad things will happed
help!