Husqvarna Pro 18 AWD manual Trouble Shooting Guide, Problem, Cause

TROUBLE SHOOTING GUIDE

Problem	Cause
The engine will not start	•	No fuel in the fuel tank
	• Faulty spark plugs (choke with a warm engine)
	• Faulty or interchanged spark plug connections
	• Dirt in the carburettor or fuel line, aged fuel
Starter does not turn the engine	•	Discharged battery
	• Poor contact on the battery terminal cable
		connectors
	• Lifting lever for the cutting unit in the wrong position
	• Main fuse blown. The fuse is placed in front of the
		battery, under the battery cover
	•	Faulty ignition switch
	• Hydrostat pedals not in the neutral position
	•	Faulty starter motor
The engine runs erratically	•	Faulty spark plugs
	•	Incorrect carburettor setting
	•	Clogged air filter
	• Blocked fuel tank ventilation
	•	Incorrect ignition setting
	• Dirt in the carburettor or fuel line, aged fuel
	• Choking or incorrectly adjusted choke cable
The engine lacks power	•	Clogged air filter
	•	Faulty spark plugs
	• Dirt in the carburettor or fuel line, aged fuel
	•	Incorrect carburettor setting
	• Choking or incorrectly adjusted choke cable
Engine overheating	•	Engine overloaded
	• Partial braking (forgotten parking brake?)
	• Air intake or cooling fins clogged
	•	Damaged fan
	• Too little or no oil in the engine
	• Faulty pre-ignition
	•	Faulty spark plugs
Battery does not charge	•	One or more battery cells faulty
	• Poor contact on the battery terminal cable
		connectors
The Rider vibrates	•	The blades are loose
	• The engine is loose
	• Imbalance on one or more blades, due to damage
		or inferior balancing after grinding
Uneven mowing results	•	Blades dull
	• Cutting unit set incorrectly
	• Tall or wet grass
	• Grass build up under the cover
	• Different air pressure in the right and left-hand tyres
	• Driving speed too high
	• Engine speed too low
	•	Drive belt slips

64 – English