5 - 22
Genie GS-2046 and GS-2646 and GS-3246
Part No. 72972
REV A
Section 5 • Troubleshooting Flow Charts
June 2003
Machine Will
Not Drive At
Full Speed
Be sure the circuit
breaker and fuse are
not tripped or blown.
Be sure the batteries
are fully charged and
properly connected.
Chart 13
With the key switch
turned to platform
controls and both
Emergency Stop buttons
pulled out to the
ON
position and the platform
in the stowed position,
drive the machine in
either direction. Is the
error indicator light on at
the platform controls?
light is
not on
Check voltage at the
WH 39C-pothole sw
wire at pothole limit
switch LS7.
light
is on
0V
20V or more
Raise the platform
approximately 3 feet
(0.9 m) and drive the
machine.
Does the machine drive
at a reduced speed?
Repair open in the WH
39C-pothole sw wire
from LS7 to the multi-
function alarm H5.
Check voltage at the
WH 21B-pothole sw wire
on the input side of limit
switch LS8.
Repair open in the WH
21B-pothole jumper wire
from the output side of
LS7 to the input side of
LS8.
Check voltage on the
output side of LS8.
Adjust LS8 so the
pothole arm activates
the switch OR replace
the limit switch contact
OR replace the LS8.
no
yes
Raise the platform to
more than 6 feet (1.8 m)
and drive the machine. If
the machine does not
drive and an alarm
sounds, the machine is
operating normally.
Check the pothole
guards for obstructions
OR test the pothole
guard limit switches
(See Repair section).
Consult the Genie
Industries Service
Department.
Raise the platform
approximately 3 feet
(0.9 m) and check the
voltage at the output
side of LS7.
Adjust LS7 so the
pothole arm activates
the switch OR replace
the limit switch contact
OR replace LS7.
20V or more
0V
0V
20V or more
0V
20V or more
Repair open in the WH
B10-pothole sw wire
from the output side of
LS8 to the ECM U5 OR
replace U5 OR see Chart
10A, Brake Release
Function Inoperative.
800-610-4101
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Summary of Contents for GS-2046
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