We are having terrible issues regarding this controller in a Linde E25C/600 347 series truck. Orginally my customer borrowed our hand set to reset the PM indicator light and along the way messed with other settings. The truck went from working to working but only going 2 miles per hour to not working at all in the drive mode.
After several tests we were told that the controller was no good. Well now we are on a 3rd controller and the truck still won't run.
When the keyswitch is turned on the line contactor for the drive will not pick up and sometimes the display will not work and other times the display shows an error code of -1 which signifies no seat switch input-whcih there is. Once in a great while the line contactor will pull in and the code disappears but the truck will still not drive. The other odd thing is that the input for the truck voltage disappears and throws a code 16. This has happened a few times with all 3 controllers and you must reenter the voltage (48) with the hand set.
I've been told by both Linde and Flight Systems that there have been alot of problems with these controllers but I have a hard time believing that all 3 can be bad.