Husqvarna BZ6127TD/968999262 Operator's Manual page 53

The engine overheats.
Battery not charging.
The machine moves slowly,
unevenly, or not at all.
Mower deck not engaging.
Uneven mowing results.
TROUBLE SHOOTING GUIDE
• 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.
• Water pump not working.
• Coolant system clogged.
• Coolant level low.
• Poor contact with battery terminal
cable connectors.
• Parking brake on.
• Venting valve on pump open.
• Drive belt for the pump slack or has come off.
• Defective hydraulic system.
• Air in the hydraulic system.
• Drive belt for the mower deck has come loose.
• Contact for the electric clutch has loosened.
• The control for engaging the mower deck is
faulty or has come loose from the cable contact.
• The fuse has blown.
• Different air pressure in the tires on the left and right sides.
• Bent blades.
• The chains suspending the mower deck are uneven.
• The blades are blunt.
• Driving speed too high.
• The grass is too long.
• Grass collected under the mower deck.
53