Husqvarna Z248F Owners Manual - Page 28

TROUBLESHOOTING Problem / Cause Engine will not start Blade switch is engaged Steering controls are not locked in the outer position Battery is dead Contamination in the carburetor or fuel line Fuel supply shutoff valve is closed 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 Safety System in the Maintenance Section Safety switches are not fully inserted Engine runs rough Faulty carburetor Clogged fuel filter or jet Choke control is pulled out with a warm engine 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 Engine overheats Clogged air intake or cooling fins Engine overloaded Poor ventilation around engine Defective engine speed regulator Too little or no oil in the engine Contamination in the carburetor or fuel line Fouled spark plugs Battery not charging Poor contact of the battery terminal cable connections Charging lead is disconnected Machine moves slowly, unevenly, or not at all Park brake on Bypass valve on pump open Drive belt for the transmission is slack or has come off Air trapped in hydraulic system Mower deck not engaging Drive belt for the mower deck has come loose Contact for the electromagnetic coupling has loosened Blade switch is faulty or has come loose from cable contact Blown fuse Transaxle leaks oil Damaged seals, housing, or gaskets Air trapped in hydraulic system Uneven mowing results Different air pressure in tires on the left and right sides. Bent blades Suspending for the mower deck is uneven Blades are dull Driving speed too high Grass is too long Grass collected under the mower deck 28