Engine Will Not Start On Lpg, But Will Start On Gasoline - Gasoline/Lpg Models - Genie S-60 Service Manual

Section 5 • Troubleshooting Flow Charts
Chart 4
Engine Will Not
Start On LPG,
But Will Start
On Gasoline -
Gasoline/LPG
Models
Be sure fuel select
switch is switched
to LPG.
Be sure the valve on the
LPG tank is fully
opened.
Be sure to check
LPG fuel level.
5 - 16
See Repair Section,
How to Retrieve Fault
yes
Codes. Is there a fault
code stored in the ECM
memory?
no
Turn the valve on
OFF
the LPG tank, then
disconnect LPG supply
line from LPG tank and
bleed pressure from
line.
With key switch turned
0V
to ground controls and
both Emergency Stop
buttons pulled out to the
position, check
ON
voltage at LPG side
(blu/red wire) of fuel
select toggle switch
TS11.
12V
With key switch turned
0V
to ground controls and
both Emergency Stop
buttons pulled out to the
position, check
ON
voltage at TB39.
12V
With key switch turned
0V
to ground controls and
both Emergency Stop
buttons pulled out to the
position, check
ON
voltage at terminal #85
on CR3.
12V
Continued on the next
page.
Genie S-60 & Genie S-65
Third Edition • First Printing
Check for poor terminal
connections OR check
for shorted or damaged
wires that go from the
ECM to the sensor that
is causing the fault OR
replace the sensor OR
consult Genie Industries
Service Department.
Check the voltage at the
0V
center terminal of the
fuel select toggle switch.
12V
Replace fuel select
toggle switch.
Repair open in blu/red
wire circuit from fuel
select toggle switch to
TB39.
Repair open in red wire
circuit from ECM to
terminal #85 on CR3 OR
replace ECM.
Refer to the fault code
chart in this section for
a description of the fault
and recommended
repairs.
Repair open in power
supply circuit to fuel
select toggle switch.
Part No. 65196