Code 21 on mod 09 - Maintenance & Troubleshooting discussion in Forkliftaction's forums

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Code 21 on mod 09

Cat Lift Trucks NR4000

NR4000 error code : 21 - on mod 09. Having trouble locating the cause of this code.

Posted 25 Sep 2015 00:44
Modified 25 Sep 2015 00:47 by poster
By donald_p
joined 25 Sep'15 - 1 message
Kentucky, United States

Just fix it.

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mod 9 is the "mhyrio controller" [hydraulic valve controller], my book does not list a code 21, it does list a 31, but if it was me, I would be 'eye-balling' or replacing the over the mast and out the reach cables to the valves on the reach.

Posted 26 Sep 2015 09:11
Modified 26 Sep 2015 09:13 by poster
By edward_t
joined 5 Mar'08 - 2,334 messages
South Carolina, United States

"it's not rocket surgery"

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