Platform Up Function Inoperative - Genie GS-1930 Service Manual

Section 5 - Troubleshooting Flow Charts
Chart 6
Platform Up
Function
Inoperative
Be sure all other
functions operate
normally.
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 - 18
With the key switch in
platform position and
both Emergency Stop
buttons pulled out to the
light is
position and the lift/
ON
on
drive selector switch in
the lift position, activate
the controller in the
UP
direction and check to
see if the error indicator
light at the platform
controls is on.
light is not on
3000
Install a 0 to 3500 PSI
PSI or
pressure gauge at the
more
quick disconnect
coupling on the function
manifold and activate
the platform up function.
less than
3000 PSI
Adjust the relief valve
OR repair or replace the
platform lift cylinder OR
the platform lowering
valve may be stuck
open OR the function
manifold could have an
internal defect. Consult
the Genie Industries
Service Department.
Genie GS-1530 & Genie GS-1930
Service Manual - First Edition
Connect the positive
lead from a volt meter to
the coil on the platform
up directional valve
0V
(item G) wire terminal
without disconnecting
the wire and the
negative lead of the volt
meter to the ground
point on the manifold.
Activate the controller in
the direction and
UP
check the voltage.
24V
0 or
infinite
Disconnect the wire
ohms
from the platform up
directional valve coil on
the function manifold
(item G) and check the
resistance. See Repair
Section.
18-20 ohms
Repair or replace the
platform up directional
valve cartridge (item G)
OR consult the Genie
Industries Service
Department.
Check for mechanical
restrictions keeping
platform up function
from moving OR repair
or replace platform lift
cylinder OR consult the
Genie Industries Service
Department.
Repair open in the wht
wire (A6-up coil) from
the platform up
directional valve coil to
the ECM (see Repair
Section) OR replace
ECM OR consult the
Genie Industries Service
Department.
Replace the platform up
directional valve coil
(item G).
Part No. 39528