Rev A 2003215
Calibrating the level sensor to zero level
Do this step when the vessel is NOT on the li
ft
A. Press the
UP
button, this will raise the lift to its highest point
B. Each main tank must be bubbling from the relief hole in its bottom before pressing
STOP
The lift MUST be in a fully up position before performing this operation
Push and hold the
UP
and
DOWN
buttons at the same time until the PORT and STAR-
BOARD LED’s flash together 5 times
C. Your level sensor is now recalibrated and your lift is now set and ready to use.
If your level sensor ever loses communication with the controller the middle PORT and
STARBOARD LEDs will flash continuously together rapidly. Contact your local dealer or Har-
borHoist customer service support for assistance
