Since replies were slow in coming, we delved into it and found a contactor had not closed when it should. Cleaned it and we are now running.

Thanks for the feedback fredz0003

Pressure washed..... wow not in a million years I would pressure wash our raymond trucks with so many circuit cards, cables, and all the chains and mechanical parts. We blow the dust and motors, and cleaned with rags. Hopefully you learned your lesson as for the code I wish I could help you but my Order Pickers don't have that code... But usually codes that start with a 4 are contactors related. Good Luck mate.