Husqvarna RZ3016 Operator's Manual page 44

Problem
Engine seems weak
Engine overheats
Battery not charging
Machine moves slowly, unevenly, or not at all
Mower deck not engaging
Uneven mowing results
Machine vibrates
44
TROUBLESHOOTING
Cause
• Clogged air filter
• Fouled spark plugs
• Carburetor incorrectly adjusted
• 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
• Poor contact with battery terminal cable connectors.
• 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
• 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
• 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
• Blades are loose
• Blades are incorrectly balanced
• Engine is loose