When you AUTO level do all your yellow lights go off during the process of AUTO leveling.
READ THIS.
This is a list of
service bulletins from HWH. Go to level sensing pdf's may give us a clue.
With movement of jacks during AUTO level the sensor may have gone out of wrack from a rock hitting it or something else.
This thread will show what your level sensor looks like and how to adjust.
You may have sensing control unit in control box go to
sensing maintenance section of this link 625 system.
If none of this helps a call to HWH service maybe warranted.
All this info can be found in
Quick Tips Link.