Husqvarna RZ4621, RZ5424 / 966659301, RZ4623 / 966678201, RZ4824F / 966678301 manual Troubleshooting

Models: RZ4222F / 966659401 RZ4621 BF / 966676501 RZ4621 RZ4621 CA RZ4824F / 966678301 RZ4623 / 966678201 RZ5424 / 966659301

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TROUBLESHOOTING

TROUBLESHOOTING

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 shutoff valve for the fuel tank is in

 

 

the wrong position

 

• Clogged fuel filter or fuel line

 

Ignition system faulty

 

 

 

Starter does not turn the engine over

Battery is dead

 

• Poor contact of the battery terminal cable connections

 

Blown fuse

 

• Fault in the starter safety circuit. See Checking the Safety

 

 

System in the “Maintenance Section”

 

 

 

Engine runs rough

Faulty carburetor

 

• Choke control is pulled out with a warm engine

 

• Clogged fuel filter or jet

 

• Clogged ventilation valve on the fuel cap

 

• Fuel tank nearly empty

 

Fouled spark plugs

 

• Rich fuel mixture or fuel-air mixture.

 

Wrong fuel type

 

Water in fuel

 

Clogged air filter

 

 

 

Engine seems weak

Clogged air filter

 

Fouled spark plugs

 

Carburetor incorrectly adjusted

 

• Air trapped in hydraulic system

 

 

 

Machine vibrates

Blades are loose

 

• Blades are incorrectly balanced

 

Engine is loose

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Husqvarna RZ5424 / 966659301, RZ4623 / 966678201, RZ4824F / 966678301, RZ4621 CA, RZ4621 BF / 966676501 Troubleshooting