Husqvarna RZ4221 BF / 967176101 warranty Troubleshooting, Problem / Cause

TROUBLESHOOTING

Problem / Cause

Engine overheats

•Clogged air intake or cooling fins

•Engine overloaded

•Poor ventilation around engine

•Defective engine speed regulator

•Soot in the combustion chamber

•Too little or no oil in the engine

•Fouled spark plug

Battery not charging

•Poor contact with battery terminal cable connectors

Machine moves slowly, unevenly, or not at all

•Parking brake on

•Hydraulic pump bypass linkage engaged

•Drive belt for the transmission gears slack or has come off

•Defective hydraulic system

•Air 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 the cable contact

•Fuse has blown

Uneven mowing results

•Different air pressure in the tires on left and right sides

•Bent blades

•Suspension for the mower deck is uneven

•Blades are dull

•Driving speed too high

•Grass is too long

•Grass collected under the mower deck

Machine vibrates

•Blades are loose

•Blades are incorrectly balanced

•Engine is loose

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