Genie GS-2046 Service Manual page 44

Section 4 • Repair Procedures
PLATFORM CONTROLS
3 Locate the potentiometer on the base of the
joystick.
a joystick controller JC1
b potentiometer shaft slot
c potentiometer shaft set screw
d platform controls circuit board U3
e potentiometer
f brown wire
g purple wire
4 With a volt meter set to read DC voltage, place
the volt meter negative lead on the purple wire.
Place the volt meter positive lead on the brown
wire.
Electrocution hazard. Contact with
electrically charged circuits could
result in death or serious injury.
Remove all rings, watches and
other jewelry.
4 - 4 Genie GS-2046 and GS-2646 and GS-3246
5 Loosen the set screw on the potentiometer
shaft just enough to let the shaft rotate.
6 With the joystick in the neutral position, adjust
the potentiometer to 2.05V DC at the
potentiometer shaft. Tighten the set screw.
7 Move the joystick full stroke in both directions
several times. Return the joystick to the neutral
position.
Result: The volt meter should read 2.05V DC.
Result: If the volt meter does not read 2.05V
DC, repeat steps 5 through 7.
8 Turn the key switch to the off position.
9 Wait a few seconds and then turn the key
switch to platform controls.
Result: The error light on the top of the platform
control box should go out and Code 47 should
not be present on the diagnostic display at the
battery module side of the machine.
Result: If the error indicator light is still on or if
code 47 is present on the diagnostic display,
repeat steps 5 through 9.
10 Turn the key switch to the off position.
11 Close the lid and install the fasteners.
June 2003
REV B
Part No. 72972