Fault code 4 - Technical Troubleshooting discussion in Forkliftaction's forums

Komatsu FB25E10:
Fault code 4

We have a Komatsu FB25 E10 from 2002, serial 813061. It gives fault code #4. I wonder what it stands for.

Hyster, Toyota and Kalmar would me more familiar to me.

Posted 4 Nov 2011 16:52
Discussion started by Aki74
FI, Finland

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Is there any more specific description for code 4, everything seems to be ok with the contactors. Faulty controller?

Posted 24 Nov 2011 21:50
Reply by Aki74
FI, Finland

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Sorry, my mistake. Should be FB25EX-10

Posted 4 Nov 2011 20:30
Reply by Aki74
FI, Finland

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Hello Aki,
can you complete the model number? (FB25EX-8 exp.)
if this is the correct model your having a problem with forward and reverse or regen contactor.
Kind regards
Marcb

Posted 4 Nov 2011 19:58
Reply by marc_b
ANTWERP, Belgium

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