HTC LZC6130 / 965879801 User Manual

56

 - Husqvarna

TROUBLESHOOTING GUIDE

The engine will not start.

•  The blade switch is engaged.
•  The steering controls are not locked in the neutral 

position.

•  The driver is not sitting in the driver’s seat.
•  The parking brake is not activated.
•  The battery is dead.
•  Contamination in the carburetor or fuel line.
•  The fuel supply is closed or the tap for the fuel 

tank is in the wrong position.

•  Clogged fuel filter or fuel line.

The 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 Checking the 

Safety System in the “Maintenance Section,”

The engine runs rough.

•  Faulty carburetor.
•  The choke control is pulled out with warm engine.
•  Defective valves.
•  Defective piston, cylinder, piston ring, or 

cylinder head seal.

•  The cylinder head bolts are loose.
•  Clogged fuel filter or jet.
•  Clogged ventilation valve on the fuel cap.
•  Fuel tank nearly empty.
•  Fouled spark plug.
•  The spark plug is loose.
•  Defective ignition cable.
•  Defective spark plug electrode.
•  Defective spark plug connection.
•  Rich fuel mixture or fuel-air mixture.
•  Wrong fuel type.
•  Water in the fuel.
•  Clogged air filter.
•  Air trapped in hydraulic system.