Hi we have a truck that has us baffled any pointers would be appreciated. We have been told by a jungheinrich specialist could be software mismatch which would make sense however would be interested in hearing a second opinion.
We had one with this error after judit diagnosing we found the fault identying steer controller in the right leg.
So we moved the controller to the left leg and the fault changed across to left leg.
Customer ordered a new part and fit today and same fault. So he moved controller accross and fault moved accross.

So we assumed it was a supplied faulty controller. However to confirm we had another truck with same part number that works, so took the steer controller off a working truck and that would not work either.

So we know the controller is not faulty but issue is with the controller being fitted. If it is a software incompatible issue how can we get this sorted? IS there a way of ordering part to match that software? I would have thought the working truck controller would have had same software as truck both 2020 and exactly the same.
Any help would be appreciated.
Regards