This is a ET A 94 0031D reach truck. The customer said that it would lift unexpectedly while traveling. They took the handle apart, stuck it back together then called me. I checked the lift pot and wires and all seems ok. Assembled the handle and when I go to learn it, it will not accept the final step when moving the lowering lever to down. It does the F and R fine, then move the lift lever to up, it takes that ok, then to down and nothing. I tried this control handle on another machine and it does the same thing, it won't learn the final step. So I got a handle that checks out to work fine and tried that on this machine. It won't even start to learn anything. Put the old controler on and the same thing, it learns travel but won't learn the lowering mode. I've tried 2 handles that work fine on other trucks but they won't learn on this one. Is this a systems card problem? Since I was never able to finish a learn on it is it retaining the original learn and that is why I can get it to travel ok with the original control handle? I'm stumped, any help would be fantasic. Thanks.
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A new lift pot fixed it, but I don't see anything wrong with the old one. And why wouldn't a good replacement control handle let me learn it in this truck? Only the original handle with a new pot would let the learn function work. Thanks for the help.
Might be a cable issue. I agree with raymondguy check the pot spec first........plus he has a cool dog
it will not accept the learned value if its out of range. check pot voltage in maint i think its a03 or a04 mut not go below.6 or above 4.5 volts or so....i'd thow a pot in it. if that dont work......mabey vm is toast
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