Troubleshooting; Troubleshooting Schedule - Husqvarna LC221A Operator's Manual

Troubleshooting schedule

WARNING! If service operations or troubleshooting does not require the machine to be on, the
!
engine should be switched off, and the spark plug wire disconnected from the spark plug.
Problem Probable cause
Incorrect starting procedure.
Air filter clogged
There is no fuel in the fuel tank
Spark plug defective
Spark plug cable disconnected.
The machine
does not start
Loose blade or broken blade adapter
Defect engine brake handle
Fuel valve lever (if equipped) in OFF postion
The battery voltage is too low (if equipped)
Battery connected incorrectly (if equipped)
Height of cut too low.
Cutting extremely tall grass
Air filter clogged
Less power
Buildup of grass, leaves and trash under
mower
Too much oil in the engine
Walking speed too fast
Worn, bent or loose blade
Wheel heights uneven
Uneven mowing
Buildup of grass, leaves and trash under
mower
Worn, bent or loose blade
Excessive
vibrations
Bent engine crankshaft
Engine flywheel brake is on when the engine
brake handle is released
Starter rope hard
Bent engine crankshaft
to pull
Blade adapter broken
Incorrect starting procedure.
Cutting height too low
Grass catcher
not filling (if Worn blade
equippped)
Catcher not venting air
Cutting extremely tall grass
Difficult to push
Cutting height too low
the machine
Grass catcher too full
forward
Handle height not right for you
Belt wear
Drive starts Belt off of pulley
feeling slow
Worn, damaged or untensioned clutch wire

TROUBLESHOOTING

Potential Solution
See instructions under the heading Starting and stopping.
Clean the air filter. Replace if necessary.
Refill with fuel
Replace the spark plug.
Check that the spark plug wire is connected to the spark
plug.
Tighten blade bolt or replace blade adapter.
Contact an authorized service workshop.
Turn fuel valve lever to the ON position.
Charge the battery.
Connect battery to engine
Raise height of cut.
Clean the air filter. Replace if necessary.
Clean underside of mower housing.
Check the engine's oil level
Cut at slower walking speed.
Replace the blade if it is bent or damaged.
Set all wheels at same height
Clean underside of mower housing.
Replace the blade if it is bent or damaged.
Contact an authorized service workshop.
Depress the engine brake handle to upper handle before
pulling starter rope.
Contact an authorized service workshop.
Contact your service agent.
See instructions under the heading Starting and stopping.
Raise height of cut.
Replace the blade
Clean / Inspect Grass Catcher
Raise height of cut.
Empty the grass catcher
Adjust handle height (if equippped)
See instructions under the heading Replacing the drive
belt.
For more information, see the "Starting and Stopping"
section.
English – 27