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Prime Mover RTX35 error codes E121 & E132

Number of messages: 2

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tom_v
United States

Model RTX35 S/N 35207002.
Have these error codes and I have been told that they refer to the steer chopper. When turning the steering wheel I get only about 1 to 2 volts at the p/s motor and then the code shows up.
Need to know where the steer chopper is located, and any checks that can be made to it. Any other info that might help would be appreicated.

Posted 1 Oct 2008 10:26 AM

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justinm
New York, United States

"chopper" modules are either a large transistor
or a bank of FET's on a heatsink
they "chop" the motor voltage creating the PWM to control motor speed

they probably failed open (fried)

some trucks they are external others they are internal (in the card)
i would assume for steering they would be in the steer card

i dont know this machine but i would try to track the steer motor cables back to its controller

id also go get the book if it was me

-------------------------
New York, New York its a heluva town ..you know that The Bronx is up ..and im Brooklyn down

Modified 6 Oct 2008 01:48 AM
by poster.

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