Onyx X Series User Manual

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Note: When troubleshooting, always rst check for simple causes which may at rst seem too obvious.
For example, an engine unable to start may be caused by an empty propane cylinder or an unopened
service valve.
Engine does not turn
over.
Weak or dead battery.
Battery cable is disconnected.
Igntion switch faulty.
Faulty Starter.
Damaged or disconnected wire in
wiring harness.
Numerous other causes.
Recharge or replace battery.
Connect battery cable at connector.
Check switch, replace if necessary.
Check starter, replace if necessary.
Check wiring harness to identify faulty connection,
replace or reconnect as required.
See engine manual or dealer.
SYMPTOM POSSBLE CAUSE CORRECTIVE ACTION
TROUBLESHOOTING
Engine turns over, but
does not start or run.
Propane cylinder is empty.
Main fuel service valve on propane
cylinder is closed.
REGO tting (fuel hose to cylinder
connector) is not fully seated.
Propane cylinder OPD (overow pro-
tection device) has been triggered.
Propane regulator out of
adjustment or faulty.
Poor quality propane causes deposits
of particles in regulator or valves.
Spark plug not ring.
Faulty oil pressure switch.
Numerous other causes.
Rell cylinder or replace with full cylinder.
Manually open main fuel service valve on propane
cylinder.
Manually close main fuel service valve. Disconnect
REGO tting. Reconnect and hand tighten to ensure
secure connector is fully seated. Slowly open main fuel
service valve.
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 adjust or
replace.
Have certied dealer inspect regulator and clean or
replace. Service engine valves according to engine
manual instructions. Contact propane supplier to pro-
vide clean HD5 propane.
Replace spark plug.
Check or replace oil pressure switch.
See engine manual or dealer.
Propane regulator
freezes and prevents
ow of propane.
Liquid propane is entering
regulator.
Low ambient temperature.
• Ensure cylinder is designed for VAPOR withdrawal.
• Ensure cylinder is designed for the correct orientation
(horizontal or vertical).
• Ensure cylinder is installed in correct orientation.
Make sure locator pin is inserted into positioning slot
on cylinder collar, and follow orientation arrow indica-
tions/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 regulator to operate
at colder temperature than ambient, which may cause
condensation or frost formation depending on ambient
temperature and humidity levels.
Propane cylinder
forms condensation
or ice.
Inconsistent or short
cylinder run time.
Engine backres, dicult
to start, reduced power,
over-heating, or other
poor performance
Propane fuel is leaking.
Propane consumption is abnormally
high.
Low ambent temperature.
Propane cylinders not lled
consistently.
Propane regulator out of
adjustment or faulty.
Dirty air lter.
Excessive engine load.
Excessive engine RPM
Propane regulator out of adjustment
or faulty.
Propane ow restricted.
Dirty air lter.
Dirty propane lter.
Ignition system faulty.
Poor compression.
Engine timing issue.
Cooling Fins Clogged.
Numerous causes.
Close propane main fuel service valve. Check fuel lines,
REGO tting, and regulator for any leaks.
Refer to section “Inconsistent or short cylinder run
time” below.
It is normal condition for propane cylinder to operate
at colder temperature than ambient, which may cause
condensation or ice formation depending on ambient
temperature and humidity levels.
Use cylinders that are properly and consistently lled
to the 80% maximum level.
Have certied dealer inspect regulator and adjust.
Service air lter.
See engine manual or dealer.
See engine manual or dealer.
Have certied dealer inspect regulator and adjust.
Refer to section “Engine turns over, but does not start
or run”, above.
Service air lter.
Service propane lter.
Check or replace ignition coils.
See engine manual or dealer.
See engine manual or dealer.
See engine manual or dealer.
See engine manual or dealer.
SYMPTOM POSSBLE CAUSE CORRECTIVE ACTION
TROUBLESHOOTING
Excessive machine
vibration.
Clutch failure.
Pad is not centered on pad
driver.
Pad driver is damaged.
Front end bearings are
worn/damaged.
Blown fuse.
Disconnected wire at clutch.
Disconnected wire under
ignition switch.
Remove pad and reinstall, paying attention to center it
on pad driver.
Inspect pad driver and replace if necessary.
Inspect front end bearings and replace if necessary.
Check fuses in Electronic Box and replace if necessary.
Check wires that connect the actual clutch to the
wiring harness. Reconnect if necessary.
Check wires that connect clutch handles to wiring
harness located under the ignition switch. Reconnect if
necessary.

Onyx X Series Specifications

General

Brand	Onyx
Model	X Series
Category	Scrubber
Language	English