Boom Up Function Inoperative - Genie S-60 Service Manual

Section 5 • Troubleshooting Flow Charts
Chart 14
Boom Up
Function
Inoperative
Be sure all other
functions operate
normally.
5 - 28
With key switch turned
to ground controls and
both Emergency Stop
0V
buttons pulled out to the
position, hold the
ON
function enable switch to
either side and move the
boom up/down toggle
switch TS16 in the
UP
direction. Check voltage
on red/wht wire on boom
up/down proportional
valve coil (item P).
20V or more
Continued on the next
page.
Genie S-60 & Genie S-65
Third Edition • First Printing
Hold the function enable
switch to either side and
move the boom up/down
8 to 9V
toggle switch in the
UP
direction and check
voltage at TB3.
0V
With the key switch 8 to 9V
turned to platform
controls and both
Emergency Stop buttons
pulled out to the
ON
position, press down the
foot switch and move
the boom controller in
the direction. Check
UP
voltage at TP3.
0V
Press down the foot
0V
switch and check
voltage at terminal "+"
on boom controller.
12V or more
Re-adjust controller (see
Repair Section) OR
replace controller OR
consult Genie Industries
Service Department.
Repair open in red/wht-4
wire circuit from TB3 to
boom up/down
proportional valve coil
OR repair open in brn
ground wire circuit to
valve coil.
Repair open in red/wht-3
wire from TP3 to TB3.
Repair open in power
supply circuit from TP24
to boom controller OR
repair open in brn
ground wire circuit from
boom controller to
ground.
Part No. 65196