Troubleshooting - Husqvarna FE 450 2018 Owner's Manual

21 TROUBLESHOOTING

Faults
The engine cannot be cranked
(electric starter)
The engine turns but does not
start
Engine does not speed up
Engine has too little power
138
Possible cause
Operating error
Battery is discharged
Main fuse blown
Starter relay defective
Starter motor defective
Operating error
The plug-in connection of the
fuel hose connection is not
connected
Fuse 1 blown
Fuse 4 blown
Idle speed is not set correctly
Spark plug oily or wet
Electrode distance (plug gap)
of spark plug too wide
Ignition system defective
Short-circuit cable in wiring
harness frayed, kill switch or
emergency OFF switch defec-
tive
Defect in fuel injection system
Defect in fuel injection system
Ignition system defective
Air filter heavily contaminated
Fuel filter is very dirty
Fuel screen is very dirty
Action
–
Carry out the start procedure.
( p. 37)
–
Recharge the battery.
–
Check the charging voltage.
–
Check the closed current.
–
Check the stator winding of the alter-
nator.
–
Change the main fuse. (
–
Check the starter relay.
–
Check the starter motor.
–
Carry out the start procedure.
( p. 37)
–
Connect the plug-in connection of the
fuel line.
–
Change the fuses of individual power
consumers. ( p. 111)
–
Change the fuses of individual power
consumers. ( p. 111)
–
Adjust the idle speed.
–
Clean and dry the spark plug or
replace if necessary.
–
Adjust the plug gap.
Guideline
Spark plug electrode gap
1.0 mm (0.039 in)
–
Check the ignition system.
–
Check the wiring harness. (visual
check)
–
Check the electrical system.
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
–
Ignition coil - check the secondary
winding.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
–
Clean the air filter and air filter box.
( p. 70)
–
Change the fuel filter.
–
Change the fuel screen.
( p. 109)
p. 110)
( p. 125)
( p. 128)