Husqvarna FE 450 EU 2020 Owner's Manual page 143

Faults
Engine has too little power
The engine dies during the trip
Engine overheats
Malfunction indicator lamp
lights up or flashes
High oil consumption
12-V battery discharged
Combination instrument values
deleted (time, stop watch, lap
times)
Possible cause
Exhaust system leaky,
deformed or too little glass
fiber yarn filling in the main
silencer
Valve clearance too little
Ignition system defective
Lack of fuel
Fuse 1 blown
Fuse 4 blown
Coolant level low in cooling
system
Insufficient airflow
Radiator fins very dirty
Foam formation in cooling sys-
tem
Bent radiator hose
Thermostat defective
Defect in radiator fan system
Error in the electronic fuel
injection
Engine vent hose bent
Engine oil level too high
Engine oil too thin (low viscos-
ity)
Piston and cylinder worn
The 12-V battery is not being
charged by the alternator
Undesired power consumer
The combination instrument
battery is empty
TROUBLESHOOTING 21
Action
–
Check exhaust system for damage.
–
Change the glass fiber yarn filling in
the main silencer. ( p. 75)
–
Adjust the valve clearance.
–
Ignition coil - check the secondary
winding.
–
Check the spark plug connector.
–
Check the stator winding of the alter-
nator.
–
Refuel. ( p. 41)
–
Change the fuses of individual power
consumers. ( p. 114)
–
Change the fuses of individual power
consumers. ( p. 114)
–
Check the cooling system for leaks.
–
Check the coolant level. (
–
Switch off engine when stationary.
–
Clean radiator fins.
–
Drain the coolant. ( p. 122)
–
Refill with coolant. (
–
Change the radiator hose.
–
Check the thermostat.
Guideline
Opening temperature: 70 °C (158 °F)
–
Check fuse 3.
–
Check the radiator fan.
–
Check wiring for damage and electri-
cal plug-in connectors for corrosion
and damage.
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
–
Route the vent hose without bends or
replace it if necessary.
–
Check the engine oil level. (
–
Change the engine oil and oil filter,
clean the oil screens. (
–
Measure the piston/cylinder mounting
clearance.
–
Check charging voltage.
–
Check the stator winding of the alter-
nator.
–
Check the open-circuit current.
–
Change combination instrument bat-
tery. ( p. 120)
p. 122)
p. 123)
p. 132)
p. 132)
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