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Discussion Starter · #1 · (Edited)
Our 8780 auto header height isn't working this year. It worked last fall when we were finished. But this year it doesn't work. I'm using a acgo bean head. The auto tilt works. Any idea on where to start looking would be awesome. Thanks all.
 

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I would suggest that if tilt works, but AHC does not, it pretty near has to be either the Header Mode switch or the AHHC controller module.
  • The sensors on the head feed both the tilt and AHC modules (wires 54 & 56), so they must be OK.
  • Same power feeds both module (23), and the AHC module generates the 5V supply (53) for the sensors on the head, so that at least has to be good.
  • The sensor signal wires (54, 56) go direct to the tilt module, but thru the Mode switch to the AHC module....
  • so nearly has to be either a bad switch (or set wrong) or module is not responding to the height sensors.

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