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code 51

I have a Hyster E50XM2-33 sn F108V19668X that is giving a code 51. It happens while the hydraulic functions are being used. The thermistor on the line contactor gets hot. All the control fuses are good. Any help will appreciated.
  • Posted 22 Oct 2012 23:46
  • By nic_c
  • joined 22 Oct'12 - 1 message
  • Colorado, United States
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Showing items 1 - 2 of 2 results.
Hi, do you know the value of the Thermistor or P/N.
Thanks
  • Posted 13 Apr 2017 22:45
  • By luke_m
  • joined 2 Feb'13 - 97 messages
  • Bedfordshire, United Kingdom
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Status Code-51
Description
Voltage on C1 too high when motor current is high.
Cause of Status Indication
This Status Code is indicated when the voltage on C1 is greater than 225 volts and the motor current is greater than 300 amps.
Indication of Fault
Forward or Reverse contactors open and close, then close only when the key switch is opened and closed.
Possible Cause
Too much inductance from cables.
Check that the battery cables are too long.
Circuit
Traction

Check that additional cables for other equipment have been added.
Motor current too high.
Check for a short circuit at a field winding.
Check for a short circuit across an armature winding.
  • Posted 24 Oct 2012 10:01
  • By forklift_brasil
  • joined 27 Sep'12 - 55 messages
  • rio de janeiro, Brazil
tecmanuais@yahoo.com.br
skype:hyster.brasil
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Fact of the week
In May 2023, a Belgian Malinois named Wilson played a key role in the rescue of four children lost in the Amazon jungle. The young children were missing for 40 days after a plane crash that killed their mother and other adults. Wilson tracked the children's footprints, leading the military to their location.