ok its the hydraulic pot on the control handle
code indicates pot is out of range
solution says to check wiring but besides that you should make sure it hasn't slipped, remove the thumb control button, recenter it and see if that lets it start error free. If not then the pot is probably bad and should be replaced.
If you can get into the diagnostics screen you can watch the hyd pot voltage and set it to center using those readings.
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