Husqvarna MZ7227 / 968999719 Lawn Mower User Manual


 
TROUBLESHOOTING
English-56
The engine overheats.
Battery not charging. Poor contact with battery terminal cable
connectors.
Charging lead is disconnected.
The machine moves slowly, unevenly, or not at all. Parking brake on.
Bypass valve on pump open.
Drive belt for the transmission 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 the
cable contact.
Blown fuse.
Transaxle leaks oil. Damaged seals, housing, or gaskets.
Air trapped in hydraulic system.
Clogged air intake.
Engine overloaded.
Poor ventilation around engine.
Defective engine speed regulator.
Too little or no oil in the engine.
Fouled spark plugs.
Uneven mowing results. Unequal tire pressure on the 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.
Problem Cause