Komatsu FB25SH-4:
error codes

Hello, can someone help me with a manual or error list for a Komatsu FB25SH-4 sn;030346A.
At this moment we're having error 2 and 4 sometimes error 7. We don't know in witch direction to look for, some guidelines or manual would be very greathfull.
Kind regards
Marcb
  • Posted 27 Jun 2012 01:17
  • Discussion started by marc_b
  • ANTWERP, Belgium
marc@tuvo.be
Showing items 1 - 2 of 2 results.
Hello Jplayer; thanks for your guidelines.
Kind regards
marcb
  • Posted 27 Jun 2012 16:22
  • Reply by marc_b
  • ANTWERP, Belgium
that truck has an EV100LXT control system
the error codes are the same as any EV100 system

-code 2 or (-02) is a directional (forward) switch closed on power up

-code 4 or (-04) is 'start switch input low after initial start up' , it could be either fwd or reverse switch closed on power up, excessive leakage from TB2 to battery negative.

-code 7 or (-07) is 'accelerator input voltage too high', cause could be an out of adjustment accelerator input or defective. Open circuit between TB1 and battery neg in accelerator input circuit. A short circuit from battery positive to wiring in accelerator input circuit.

hope this helps, good luck :o)
  • Posted 27 Jun 2012 07:53
  • Reply by Jplayer
  • North Carolina, United States
John Player Jr
_________________
LiftOne, LLC
Charlotte, NC
Email: jplayer@liftone.net

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