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Section 5 – Troubleshooting
The following procedures will assist you in determining the potential cause of a machine
operating problem.
Problem Possible Causes Corrective Action
Starter does not turn the
engine over.
• Trencher control lever is either
in Forward or Reverse position
and the operator presence
control is depressed.
• Move lever to neutral
position.
• Release operator presence
control.
• Battery is dead. • Charge the battery.
• If battery does not hold a
charge, replace the battery.
• Electrical connections are
corroded or loose.
• Check electrical connections
for good contact.
• Remove cables from battery
terminals and fully clean
battery terminals and cable
clamps.
• If the cable clamps cannot be
properly cleaned, replace
connectors.
• Relay or starter switch is
defective.
• Contact Authorized Service
Dealer.
• Engine is in hydraulic lock due
to a cylinder filled with fuel.
• Allow engine to cool before
attempting this procedure.
• Remove spark plugs and turn
engine over to pump excess
fuel from engine cylinder.
• Make sure to clean up any
spilled fuel before attempting
to start the engine.
Engine will not start,
starts hard, or fails to
keep running.
• Trencher control lever is not in
neutral position.
• Move lever to neutral
position.
• Fuel tank is empty. • Fill fuel tank with fuel.
• Air cleaner is dirty. • Clean air filter housing and
replace the filter elements.
• Spark plug dirty or fouled. • Replace spark plug.
• Dirty or contaminated fuel filter. • Replace fuel filter.
• Dirt, water, or stale fuel is in fuel
system.
• Drain fuel in tanks into an
appropriate storage container
and dispose of bad fuel
properly.
• Refill fuel tanks with fresh,
clean fuel.
• Replace fuel filter.
• 15 Amp fuse blown. • Replace fuse.