Caterpillar NR3000:
Code 21 on Mod 9

Can someone out there shed some light on this one...."The high side switch that drives positive to valves is opened when it should be closed" ??
  • Posted 14 Feb 2005 23:23
  • Discussion started by Rick_D
  • Michigan, United States
Showing items 1 - 1 of 1 results.
check your wiring harneses on the reach pentagraph for open circuits, especially around where the wires run down the carriage to the solenoid manifold block at the bottom of the carriage.
Also the wire harness in the mast has been known to get open wires and will cause this error.

check it out and let us know what you find

Laterz,
  • Posted 18 Oct 2007 13:48
  • Reply by Jplayer
  • North Carolina, United States
John Player Jr
_________________
LiftOne, LLC
Charlotte, NC
Email: jplayer@liftone.net

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