Was recently confronted with a major failure to a GEC EV6 controller fitted on a CROWN ESR3000 1.6 Reach Truck. The controller had badly overheated with major signs of burning inside and broken insulators.
Have inspected truck wiring, contactors, main drive and hydraulic motors but they're in good condition.
The truck is working indoors on good level floor and there don't appear to be any obstacles on the ground that could interfere with the trucks performance.
Has anybody any ideas as to what may have caused the failure? Someone might have seen this happening to this model unit before and I'd be very interested to know if it was something in the controller directly failed or if there was an exterior problem.