Troubleshooting Guide - Husqvarna MZ28T Operator's Manual

Problem
Engine will not start.
Starter does not turn the engine over.
Engine runs rough.
Engine seems weak.
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-Husqvarna

TROUBLESHOOTING GUIDE

Cause
• 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.
• Clogged fuel fi lter or fuel line.
• Faulty ignition system.
• 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
• Faulty carburetor.
• Clogged fuel fi lter 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.
• Wrong fuel type.
• Water in the fuel.
• Clogged air fi lter.
• Clogged air fi lter.
• Fouled spark plugs.
• Carburetor incorrectly adjusted.