Service manual

5 - 30 Genie GS-1530 & Genie GS-1930 Part No. 39528
Service Manual - First EditionSection 5 - Troubleshooting Flow Charts
Machine Will
Not Drive At
Full Speed
Be sure the circuit
breaker and fuse are
not tripped or blown.
Be sure the batteries
are properly connected.
Be sure the batteries
are fully charged.
Chart 13
With the key switch in
platform position and the
Emergency Stop buttons
pulled out to the
ON
position at both the
ground and platform
controls, 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 wht
wire (39C-pothole sw) at
S5.
light
is on
0V
24V
Raise the platform
approximately 3 feet
(0.9 m) and drive
machine. Does the
machine drive at a
reduced speed?
Repair open in the wht
wire (39C-pothole sw)
from S5 to the multi-
function alarm to the key
switch.
24V
0V
Check voltage at the wht
wire (21B-pothole sw)on
the input side of S6.
0V
24V
Repair open in the wht
wire jumper (21B-
pothole jumper) from the
output side of S5 to the
input side of S6.
Check voltage on the
output side of S6.
0V
24V
Adjust limit switch S6 so
the pothole arm
activates the switch OR
replace the limit switch
contact OR replace the
limit switch S6.
no
yes
Raise the platform 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 S5.
Adjust the limit switch
S5 so the pothole arm
activates the switch OR
replace the limit switch
contact OR replace the
limit switch S5.
Continued on the next
page.