Husqvarna PZ7234FX / 966061401, PZ6034FX / 966516801 manual Troubleshooting guide, Problem Cause

troubleshooting guide

Problem	Cause
Engine will not start.	•	Blade switch is engaged.
	• Steering controls are not locked in the neutral
		position.
	• Parking brake is not activated.
	•	Battery is dead.
	• Contamination in the carburetor or fuel line.
	• Fuel supply is closed or the tap for the fuel tank is
		in the wrong position.
	• Clogged fuel filter or fuel line.
	•	Faulty ignition system.
	• Lock-off not grounded or is faulty (propane)
	• Regulator is faulty (propane)
	• Tank fuel lines not tightened securely (propane)
Starter does not turn the engine over.	•	Dead battery.
	• Poor contacts on the battery terminal cable
		connections.
	•	Fuse blown.
	•	Ignition system faulty.
	• Fault in the starter safety circuit. See Safety
		System in the Maintenance Section
Engine runs rough.	•	Faulty carburetor.
	• Choke control is pulled out with warm engine.
	• Clogged fuel filter or jet.
	• Clogged ventilation valve on the fuel cap.
	• Fuel tank nearly empty.
	•	Fouled spark plug.
	• Spark plug is loose.
	• Rich fuel mixture or fuel-air mixture (gasoline).
	• Wrong fuel type (gasoline).
	• Water in the fuel (gasoline).
	•	Clogged air filter.
Engine seems weak.	•	Clogged air filter.
	•	Fouled spark plugs.
	•	Carburetor incorrectly adjusted.

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