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Troubleshooting Kwikee Revolution Steps Motor Not Shutting Off When Fully Extended


This is for the Kwikee Revolution steps on a 2018 Winnebago Vista 29VE. Had an issue with the steps where the motor didnt shut off when fully extended, the usual chattering until the time out kicked in which shut off the motor. There is NO issue with the steps retracting, the motor turns off as soon as the steps lock in the retracted position. When we got home I ordered a replacement motor with the gearbox of course and that solved the problem. For about 7 cycles of the steps going in and out it was fine, no chatter and the motor stopped as far as I could tell. This morning when I extended the steps it was back to the chattering and not turning off until the timeout hit. One other note, the temperature here was about 19 to 20 degrees F. Is it possible that the plastic gear gets brittle and teeth break due to low temps? So before I order another replacement motor Im trying to determine if there is a chance that the control is failing to detect the motor stall current on extension which in turn causes the plastic gear to strip out again. I would expect that if it is sensing the current on retraction and shutting off the motor that this is not a controller issue, but wanted to double check. Thanks, Burt


Expert Reply:

According to Lippert you need to take the cover off the motor and inspect the plastic teeth to see if any of them are broken. If they are not broken then it is probably the controller. You can also check the controller to see if you are getting 12 amp draw when the step deploys. Again, if you are not then it is safe to say it is the control unit.

More than likely the part you would need is the Replacement Control Unit for Kwikee Revolution Series Electric RV Steps # LC363980, which may also be labeled as the 1510000172. In order to be sure you will need to either find the part number on your current control unit or use the serial number on the steps to verify that this is the correct replacement.

expert reply by:
Robin H

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