Says the lift pot is out of range. You may want to re-calibrate it before replacement.
Calibration is easy.
Primary password:
1. Press the power control and hour meter
select switches simultaneously (system
should respond with a short beep).
2. Within 10 seconds, press the UP arrow
(system should respond with a short beep).
3. Within 10 seconds, press the DOWN arrow
(system should respond with a short beep).
4. Within 10 seconds, press the UP and
DOWN arrows simultaneously and hold
them for 2 seconds (system should respond
with a short beep after 2 seconds).
Secondary password:
1. Enter the primary password.
2. Within 10 seconds, press the DOWN arrow
switch (system should respond with a short
beep).
3. Within 10 seconds, press the hour meter
select switch and the power control select
switches simultaneously (system should
respond with a short beep).
"Calibrte" will appear on the display indicating
acceptance of the secondary password.