Trouble Shooting Guide - Husqvarna iZE 4821 Operator's Manual

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Trouble Shooting Guide

Problem
The engine will not start.
The starter motor does not turn the engine over.
The engine runs unevenly.
40
English-
TROUBLE SHOOTING GUIDE
Cause
The control for engaging the mower deck is
not depressed.
The steering controls are not locked in the
neutral position.
The driver is not sitting in the driver's seat.
The parking brake is not activated.
The battery is dead.
Contamination in the carburetor or fuel line.
The fuel supply is closed or the tap
for the fuel tanks is in the wrong position.
Clogged fuel filter or fuel line.
Dead battery.
Poor contacts on the battery terminal
cable connections.
Fuse blown.
Ignition system faulty.
Fault in the starter motor safety circuit.
See Safety system on page 28.
Faulty carburetor.
The choke control is pulled out with a warm engine.
Defective valves.
Defective piston, cylinder, piston ring, or
cylinder head seal.
The cylinder head bolts are loose.
Clogged fuel filter or jet.
Clogged ventilation valve on the fuel cap.
Fuel tank empty.
Defective spark plugs.
The spark plugs are loose.
Defective ignition cable.
Defective spark plug electrode.
Defective spark plug connection.
Rich fuel mixture or fuel-air mixture.

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