Crown RR 5020-35:
Code 254

Having trouble calibrating reach, code 254 pops up during calibration, 254 not in book, i dont have steering and reach is vert slow and does not retract unless i move handle up, any suggestions, thanks
  • Posted 14 Nov 2012 06:51
  • Discussion started by All Lift Tech
  • California, United States
Showing items 1 - 3 of 3 results.
Pump1 has a load sensing priority valve on the bottom. steer always gets priority. That being said, the contorller monitors amp draw from motor. the amps on the motor will go up with more hydraulic demand if the pump is good and building proper pressure. If pressure is not loading down the motor it will not speed up to move the volume needed to properly steer and/or run accessories. I just replaced a pump 1 on a 5200 monday due to this issue, only mine was "strong arm" steering due to not enough hydraulic pressure from the motor not speeding up with hydraulic demand.

Update: Sorry just notice this is a really old post... Dont know how I ended up this far down on the threads! lol But I will leave my note here for others.
  • Posted 7 Aug 2015 05:06
  • Modified 7 Aug 2015 05:19 by poster
  • Reply by chevotaman
  • Washington, United States
It's all just nuts n' bolts.
I checked the motor through access 1 and the idle speed is lower than aonther unit i compared it to, what would cause low hydrualic pressure, and motor dosent seem to kick into high speed when using accessories or steering
  • Posted 15 Nov 2012 02:23
  • Reply by All Lift Tech
  • California, United States
f254 is calibration timed out
how does lift pump and motor seem?
the list is quite long of possibilities but leans towards low hydraulic pressure.
  • Posted 14 Nov 2012 18:13
  • Reply by crownie
  • Victoria, Australia

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