Service manual

5 - 28 Genie GS-1530 & Genie GS-1930 Part No. 39528
Service Manual - First EditionSection 5 - Troubleshooting Flow Charts
Drive Forward
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.
Chart 11
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, activate drive
controller in the forward
direction and check to
see if the error indicator
light at the platform
controls is on.
light is
on
light is not on
Connect the positive
lead from a volt meter to
the drive forward
directional valve coil
(item J) wire terminal
without disconnecting
the wire, and the
negative lead of the volt
meter to the brown
ground wire on the
manifold. Activate drive
in the forward direction
and check the voltage.
Disconnect the wires
from the drive forward
directional valve coil
(item J) and check the
resistance. See Repair
Section.
0V
Repair open in the wht
wire (C6-forward coil)
from the drive forward
directional valve coil to
the ECM OR repair
open in the brown
ground wire circuit from
the manifold to the
battery module tray OR
replace the ECM OR
consult the Genie
Industries Service
Department.
24V
0 or
infinite
ohms
18 to 20
ohms
Replace the drive
forward directional valve
coil (item J).
Repair or replace the
drive forward directional
valve (item J) OR
consult the Genie
Industries Service
Department.
Replace the drive
forward/reverse valve
cartridge (item J) OR
consult the Genie
Industries Service
Department.