Yale NR035ADNS24TE089:
Slightly flooded unit, need help

Hello and Thanks for all that you all do for this community. I really appreciate all the valuable information that I get from this forum and others like it and applaud all of the time techs take out of their busy days to help us rookies out! Well on to my problem:

I buy lifts at auctions and have had pretty good luck making most of them run with generic troubleshooting but this one has me intrigued. The lift is a very low hour lift (55 hrs) that I bought at an auction and it looks as though it was partially under water. The water line appears to have gotten to about one third up the Curtis Drive controller which did not work at all until I took it apart and cleaned it. The drive controller is model 1244-4410 and is blinking out a 32 code on the LED. All of the lift functions work on this machine and I have steering just no drive. There are two motors that are low on the machine and from rear looking at forks the motor on the right seems to be grounded. It appears that this is the drive motor, what is the motor to the left of it? The emergency stop switch was frozen so I have the wires jumped to get juice to the machine, the contactors on the side panel all had control voltage so I started working through them with a jumper. When I jumped the main feed to the Curtis controller the controller powered up and gave the 32 code. When we tried to jump the next contactor to put juice to the motor there seems to be a short. I have had great success taking things apart on these electric lifts and cleaning things up and removing the corrosion to get them running, should I remove the motor and try this? Continuity from the positive to the negative on said motor is there so I assume short... There is also a box with some cards in it just in back of teh kill switch and I am getting 200 on the four LED's on that. There are four buttons under the clear display which I pressed before I even knew that there was a 200 showing. The LED's are very faint. Any details that anyone can offer on this machine would be great such as age and part numbers for user, parts and maintenance manuals. The serial number is B815N04499X
  • Posted 25 Jul 2014 11:44
  • Discussion started by JFGold
  • Delaware, United States

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