Onyx X Series User Manual

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TROUBLESHOOTING GUIDE
Engine does not turn over
Engine turns over, but
does not start or run
Weak or dead battery
Ignition switch faultyNumerous other causes
Recharge or replace battery.
Check or replace switch.
Problem Reason Solution
Safety interlock switch (operator presence control)
not engaged
Check or replace safety interlock switch
(operator presence control).
Faulty safety interlock switch (operator presence
control)
Engage safety interlock switch (operator
presence control) prior to engaging starter.
Numerous other causes See engine manual or dealer.
Propane cylinder is empty Rell cylinder or replace with full cylinder.
Main fuel service valve on propane cylinder is
closed
REGO tting (fuel hose to cylinder connector)
is not fully seated
Manually open main fuel service valve on
propane cylinder.
Have certied dealer inspect regulator and
adjust or replace.
Manually close main fuel service valve. Dis-
connect REGO tting. Reconnect and hand
tighten to ensure secure connector is fully
seated. Slowly open main fuel service valve.
Propane cylinder OPD (overow protection
device) has been triggered.
Poor quality propane causes deposits of
particles in regulator or valves
Propane regulator out of adjustment or faulty
Manually close main fuel service valve.
Disconnect REGO tting. Wait 5 seconds.
Reconnect and hand tighten to ensure
secure connector is fully seated. Slowly
open main fuel service valve.
Have certied dealer inspect regulator
and clean or replace. Service engine valves
according to engine manual instructions.
Contact propane supplier to provide clean
HD5 propane.
Spark plug not ring
Faulty vacuum switch
Faulty oil pressure switch
Numerous other causes
Replace spark plug.
Check or replace vacuum switch.
Check or replace oil pressure switch.
See engine manual or dealer.
These troubleshooting steps are specic for propane fuel system issues. For other engine issues, refer to the
Engine Operator Manual and/or OEM Equipment Manual.
TROUBLESHOOTING GUIDE
Propane regulator freezes
and prevents ow of
propane
Propane cylinder forms
condensation or ice
Inconsistent or short
cylinder run time
Liquid propane is entering regulator
Low ambient temperature
Propane fuel is leaking
Propane consumption is abnormally high
Low ambient temperature
Propane cylinders not lled consistently
Propane regulator out of adjustment or faulty
• Ensure cylinder is designed for VAPOR
withdrawal and the correct orientation
(horizontal or vertical).
• Ensure cylinder is installed in correct ori-
entation. Make sure locator pin is inserted
into positioning slot on cylinder collar, and
follow orientation arrow indications/labels
on cylinder.
• Ensure propane cylinder is not overlled.
• Ensure use of application does not allow
operating angles to exceed equipment OEM
instructions.
It is normal condition for propane regula-
tor to operate at colder temperature than
ambient, which may cause condensation
or frost formation depending on ambient
temperature and humidity levels.
Close propane main fuel service valve.
Check fuel lines, REGO tting, and regulator
for any leaks.
Refer to section “Inconsistent or short cylin-
der run time” below.
Use cylinders that are properly and consis-
tently lled to the 80% maximum level.
Have certied dealer inspect regulator and
adjust.
It is normal condition for propane cylinder
to operate at colder temperature than am-
bient, which may cause condensation or ice
formation depending on ambient tempera-
ture and humidity levels.
Problem Reason Solution
Dirty air lter
Excessive engine load
Excessive engine RPM
Service air lter.
See engine manual or dealer.
See engine manual or dealer.

Onyx X Series Specifications

General

Brand	Onyx
Model	X Series
Category	Scrubber
Language	English