Display Erratic, Speed And Elevation Controls Work - Landice 8700 Series Service Manual

SYMPTOM
Display erratic;
speed and
elevation controls
work.
Does the display
function
normally, except for
an
incorrect (or
unchanging)
elevation
readout?
NO
Does the
selectable
display
automatically scroll
through display
functions?
NO
If the display is
showing
"Garbage" or is
otherwise
operating
incorrectly,
replace the display
board
* Applies to Sprint 2 Only.
YES Re - calibrate elevation
potentiometer
according to the
instructions in appendix
2.
If the potentiometer cannot be re
- calibrated,
replace the pot.
(#71013)
YES Check display button, located on
upper display,
for operation. Make sure it has
unobstructed
movement.
71