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fault code -51 nothing works

dash display says capacitors voltage too low -any ideas??
  • Posted 30 Apr 2010 03:58
  • By troy_m
  • joined 13 Sep'08 - 112 messages
  • Ontario, Canada
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this unit quit while driving and the operator said he heard a loud humming noise like a pump motor. I checked and found a contactor welded together and it opened at my touch and the code -51 disappeared. I'll replace the contactor tip kit and see how it goes. Thanks for the suggestion.
troy
  • Posted 1 May 2010 07:55
  • By troy_m
  • joined 13 Sep'08 - 112 messages
  • Ontario, Canada
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check the current limiting resiter that bridges over the line contactor. it allows a small current into your controller to pre-charge the capacitors so they can self check before startup.
  • Posted 1 May 2010 04:32
  • By kevin_k
  • joined 25 Nov'05 - 502 messages
  • dumfriesshire, United Kingdom
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this might help E50XM2-33 #f108V232294
  • Posted 30 Apr 2010 03:59
  • By troy_m
  • joined 13 Sep'08 - 112 messages
  • Ontario, Canada
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