Hi there

can anyone shed light on a issue i am having on a linde r14, which uses the shunt would dc motor controller, not the ac version.

truck serial: g1x115 n01379

Everything works in the sense i have hydraulics, steer and traction, but the traction is slow.

Unfortunately the display is not working so i cannot tell what the error code is, BUT the display itself works as i have tried it on another truck in the workshop.

I have tried the display off the working truck on this truck and the display does not power up.

Now the strange part, i checked all the voltages on the connector for the working display on the working truck and i get the exact same voltages on the truck which the display does not power up on.

Then it gets even weirder if the same type of display off an ac truck which we have in the workshop is connected to the truck with the fault the display powers up albeit with the book light showing and then drops out line contactor.

Has anyone come across this type of problem before on any type of linde electric trucks?

Also on the working truck if i disconnect the power unit controller logic connector and the interface logic card and the hydraulic card logic connector, the display still powers up, so i am guessing none of these cards provide an output feed to the display??
Any advice would be appreciated :)

The only difference between the 2 trucks i have are the working one has a keyswitch and then a number pad for a code which powers the display after the code is entered. The faulty truck just has a normal key switch, when turned energises the line contact but no display