CODE 18 AND NO FWD / REV/ HYD - Technical Troubleshooting discussion in Forkliftaction's forums

Cat Lift Trucks (& Caterpillar) EP20KT:
CODE 18 AND NO FWD / REV/ HYD

I HAVE A CAT EP20KT WITH A CODE 18,
it will not go into forward or reverse, and hydraulics do not work.
what is the procedure for checking a code 18, and is there a way to check the h board?
derrick
bcis 513-829-2400

Posted 21 Oct 2009 05:05
Modified 21 Oct 2009 05:06 by poster
Discussion started by driftz240
Ohio, United States

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not all ep20kt have the same error codes, a serial number will be needed to insure the correct code information.
but it is my guess that your code refers to the right drive motor "faulty field" or a faulty h bridge board, faulty logic card or faulty controller harness.
unless you are very familiar with the controller in this unit, I would suggest that the local cat dealer may well be the best choice of repair, as this is not a trivial truck to troubleshoot, and kinda high dollar to throw parts at.

Posted 21 Oct 2009 07:24
Modified 21 Oct 2009 07:32 by poster
Reply by edward_t
South Carolina, United States

"it's not rocket surgery"

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