All Functions Inoperative, Power Unit Starts And Runs (No Applicable Code) - Genie GS-2046 Service Manual

Section 5 - Troubleshooting Flow Charts
Chart 4
All Functions
Inoperative,
Power Unit
Starts and Runs
If the Error Indicator
light is on at the
platform controls,
please refer to the
specific chart that
relates to the error code
that is displayed on the
ECM.
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.
5 - 16
Check hydraulic fluid
level.
OK
Activate each machine
function. Are all
functions inoperative
and the power unit still
starts and runs?
yes
Connect a 0 to 5000 psi
(345 bar) pressure
gauge to the test port on
the function manifold.
Chock both sides of the
drive wheels at the steer
end of the machine.
Turn the keyswitch to
platform control and pull
out the Emergency Stop
buttons out to the
ON
position at both the
ground and platform
controls. Activate the
drive forward function
and check the pressure.
less than
3000 psi
Check for a positive
connection between
electric motor and
pump by removing
pump from motor, but
leave all hoses
connected. Visually
check coupling
connection.
good
Test hydraulic pump.
See Repair section.
good
Consult Genie Industries
Service Department.
Genie GS-2046 & Genie GS-2646 & Genie GS-3246
low
Fill with Dexron II
equivalent hydraulic
fluid.
Refer to the specific
no
chart that relates to the
inoperative function(s).
Re-adjust the system
relief valve (GS-2046 &
more
2646 models) or the
than
drive relief valve (Gs-
3000
3246 models) OR
psi
valve(s) may be stuck
open or closed OR
function manifold may
have an internal defect.
Consult Genie Industries
Service Department.
no good Replace pump coupling
OR replace pump OR
replace motor.
no good
Replace the pump.
Service Manual - First Edition
Part No. 48339