Husqvarna FS 450 2019 Owner's Manual page 120

20 TROUBLESHOOTING
Faults
Engine overheats
Malfunction indicator lamp
lights up or flashes
High oil consumption
12 V battery discharged
118
Possible cause
Foam formation in cooling sys-
tem
Bent radiator hose
Error in the electronic fuel
injection
Engine vent hose bent
Engine oil level too high
Engine oil too thin (low viscos-
ity)
Piston or cylinder worn
12 V battery is not charging
Unwanted power consumer
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Action
–
Drain the coolant. ( p. 100)
–
Refill the coolant. ( p. 100)
–
Change the radiator hose.
–
Stop the motorcycle and identify the
faulty component using the blink
code.
–
Check the wiring for damage and the
electrical plug-in connections for cor-
rosion and damage.
–
Read out the fault memory using the
Husqvarna Motorcycles diagnostics
tool.
–
Route the vent hose without bends or
change it if necessary.
–
Check the engine oil level. (
–
Change the engine oil and oil filter and
clean the oil screens. (
–
Measure the piston/cylinder mounting
clearance.
–
Check the charging voltage.
–
Check the stator winding of the alter-
nator.
–
Check the open-circuit current.
p. 109)
p. 109)