Service manual

5 - 4 Genie GS-1530 & Genie GS-1930 Part No. 39528
Service Manual - First EditionSection 5 - Troubleshooting Flow Charts
Fault Code Problem Possible Causes Solution
FAULT CODE CHART
(BEFORE SERIAL NUMBER 17408)
Notes
Continued on next page
52
Machine will not drive forward.
Pump motor starts. Error
indicator li
g
ht on at the platform
controls when the function
enable switch is engaged.
No power output from ECM to
the drive forward coil.
Check wiring and terminal at
the forward coil, ckt C6-
Forward coil OR check wiring
and terminal at control ECM
pin C6, ckt C6 Forward coil.
53
Machine will not drive in
reverse. Pump motor starts.
Error indicator light on at the
platform controls when the
function enable switch is
engaged.
No power output from ECM to
the drive reverse coil.
Check wiring and terminal at
the reverse coil, ckt A7-
Reverse coil OR check wiring
and terminal at ECM pin A7,
ckt A7 Reverse coil.
54
Platform will not raise. Pump
motor starts. Error indicator
light on at the platform controls
when the function enable
switch is engaged.
No power output from ECM to
the platform up coil.
Check wiring and terminal at
the platform up coil, ckt A6-Up
coil OR check wiring and
terminal at ECM pin A6, ckt A6
Up coil.
55
Platform will not lower. Error
indicator li
g
ht on at the platform
controls when the function
enable switch is engaged.
No power output from ECM to
the platform lowering coil.
Check wiring and terminal at
the platform lowering coil, ckt
B6-Down coil OR check wiring
and terminal at ECM pin B6,
ckt B6 Down coil.
56
Machine will not steer right.
Pump motor starts. Error
indicator li
g
ht on at the platform
controls when the function
enable switch is engaged.
No power output from ECM to
steer right coil.
Check wiring and terminal at
the steer right coil, ckt C7
Right coil OR check wiring and
terminal at ECM pin C7, C7
Right coil.
57
Machine will not steer left.
Pump motor starts. Error
indicator li
g
ht on at the platform
controls when the function
enable switch is engaged.
No power output from ECM to
steer left coil.
Check wiring and terminal at
the steer left coil, ckt B7 Left
coil OR check wiring and
terminal at ECM pin B7, B7
Left coil.
58
Machine will not drive but
platform will still raise.
No power output from ECM to
the brake orifice coil.
Check wiring and terminal at
the orifice coil, ckt C9 orifice
coil OR check wiring and
terminal at ECM pin C9, C9
orifice coil OR replace Coil.