Cat Lift Trucks (& Caterpillar) EP20KT:
code 33

I was load testing the battery using the hydraulics and then code 33 appears and I lose hydraulics. But I still have drive. Checked IGBT seems OK checked power board and current sensor.????????? Nothing like doing a PM and having the truck not work afterwards.. Hehehe.. Any suggestions?? Chopper hydraulics by the way
  • Posted 28 Jan 2009 09:04
  • Discussion started by Davie
  • Ontario, Canada
Showing items 1 - 3 of 3 results.
I am having an EP30K model forklift and am facing the same problem error code 33. The problem occurred when we were checking for an oil leak and lifting the forks up and down and once the forks came down it wouldnt start again. The key when switched on panel just shows 33 and nothing starts niether the tracion moor nor the hydraulic one.I do not have any diagrams or manuals. Can u please guide me on this. I cannot identify which is TP1 and TP2 so as to check the broken wires.Please give a detailed solution.
  • Posted 25 Jan 2014 22:00
  • Modified 25 Jan 2014 22:02 by poster
  • Reply by smookiin
  • ABU DHABHI, United Arab Emirates
well as with any pm, if your a decent tech you would have blown the lift off with compressed air. if you did this then check your connections on sensors/components. one may have become disconnected as fixit hinted on.
I'd also double check the state of the battery, a low or poor condition battery can cause all sorts of issues that will run you in circles. I'm like fixit though, i'm banking on a loose wire somewhere.
Check your fuses also.. :)

let us know what u find.
  • Posted 3 Aug 2009 06:19
  • Modified 3 Aug 2009 06:20 by poster
  • Reply by Jplayer
  • North Carolina, United States
John Player Jr
_________________
LiftOne, LLC
Charlotte, NC
Email: jplayer@liftone.net
33 Pos Cause broken wire in TP1,faulty drive board,CS3 faulty,logic card would point to wire or plug to me if you just done PM
  • Posted 29 May 2009 22:10
  • Reply by fixit
  • bury, United Kingdom

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