Hi All

Hope you can help or point me in the right direction.
i have a Bt Electric pallet truck w20 year 2004

Recently it was showing the battery as being low on charge. After charging the battery and testing the cells i connected it back to the machine. It again showed low charge and would only go back and forth.
i removed the battery of my w20n and tried this on the machine and found that it would not work at all. Now that two fully charged batteries have been fitted i am now wondering if the parameter setting for the batteries has gone corrupt. I do have a CAN BUS key for the machine, but im not sure if which parameter setting i need to go to for adjusting if at all possible. Would anyone be able to help me with this information

thanks in advance Martin