Genie ZX-135/70 Service Manual page 121

Service Manual
Platform Components
4 Locate the calibration toggle switch at the top
of the ground control box. Activate calibration
mode by moving the toggle switch in the left
direction.
5 Temporarily install a control box door retaining
fastener between the door and the box to
prevent the control box door from moving the
toggle switch while calibrating the machine.
6 Insert the key into the service/bypass key
switch and turn it to the service/bypass
position.
Note: The angle sensor calibration values will not
be saved correctly unless the key switch is in the
service/bypass position.
7 Press and hold the enter button on the
ground control panel while turning the key
switch to ground controls. Hold the enter
button for approximately 5 seconds.
8 Enter sensor calibration mode by pressing the
buttons at the ground controls in the following
sequence: (plus)(enter)(enter)(plus).
9 Press the enter or previous button on the
LCD screen until SET PLATFORM LEVEL
SENSOR TO GRAVITY is displayed.
10 Press the plus button to select YES, then
press the enter button to accept.
11 Press the enter or previous buttons on the
LCD screen until PLATFORM LEVEL
SENSOR MV PER DEGREE is displayed.
106
12 Confirm that the number shown on the display
is the same as that shown on the data sheet
supplied with the new platform level sensor.
Result: If the number shown on the display is
the same as that shown on the data sheet
supplied with the new platform level sensor,
continue to step 13.
Result: If the number shown on the display is
not the same as that shown on the data sheet
supplied with the new platform level sensor,
continue to step 12.
13 Press the plus button or minus button to
correct the display to match the data sheet.
Then press the enter button to save the
setting in memory.
14 Press the enter or previous button on the
LCD screen until EXIT is displayed.
15 Press the plus button to select YES, then
press the enter button to accept.
16 Remove the fastener that was temporarily
installed. Close the control box door and
install the door retaining fasteners.
Note: When the control box door is closed, the
calibration toggle switch is automatically activated
to exit out of calibration mode.
ZX-135/70
August 2014
Part No. 218700