Troubleshooting 22 - KTM 790 ADVENTURE 2024 Owner's Manual

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Faults
The engine does not turn over
when the start button is actu-
ated
The engine only turns if the
clutch lever is drawn
The engine turns but does not
start
Engine has too little power
Engine overheats
Malfunction indicator lamp
lights up or flashes
N The idling speed indicator
lamp does not light up when
the transmission is in neutral
Possible cause
Operating error
12-V battery discharged
Fuse 1, 2 or 3 blown
Main fuse burned out
Combination switch cable dam-
aged
No ground connection present
on the starter motor
The vehicle is in gear
The vehicle is in gear and the
side stand is folded out
Operating error
Lack of fuel
Fuse 3 blown
Quick release coupling not
joined
Fuel taps on the fuel tank cover
closed
Malfunction in the electronic
fuel injection
Throttle opened while starting
Air filter is very dirty
Fuel screen is very dirty
Fuel filter is very dirty
Malfunction in the electronic
fuel injection
Too little coolant in cooling sys-
tem
Radiator fins very dirty
Foam formation in cooling sys-
tem
Buckled or damaged radiator
hose
Thermostat defective
Fuse 4 is blown
Defect in radiator fan system
Malfunction in the electronic
fuel injection
Gear position sensor not pro-
grammed

TROUBLESHOOTING 22

Action
Carry out start procedure. (
Charge the 12-V battery.
Check the open-circuit current.
Change the fuses of individual electri-
cal power consumers. (
Change the main fuse. (
Check the combination switch cable
for damage.
Check the ground connection.
Shift the transmission into neutral
Shift the transmission into neutral
Carry out start procedure. (
Refuel. (
p. 82)
Change the fuses of individual electri-
cal power consumers. (
Join quick release coupling.
Open the fuel taps on the fuel tank
cover.
Read out the fault memory using the
KTM diagnostics tool.
When starting, DO NOT open the throt-
tle.
Carry out start procedure. (
Remove the air filter.
Install the air filter.
Change the fuel screen.
Check the fuel pressure.
Read out the fault memory using the
KTM diagnostics tool.
Check the cooling system for leaks.
Check the coolant level in the compen-
sating tank. (
p. 136)
Clean radiator fins.
Drain the coolant.
Fill/bleed the cooling system.
Change the radiator hose.
Check the thermostat.
Change the fuses of individual electri-
cal power consumers. (
Check the radiator fan system.
Read out the fault memory using the
KTM diagnostics tool.
Read out the trouble code memory
using the KTM diagnostics tool.
p. 74)
(
p. 128)
p. 132)
p. 130)
.
.
p. 74)
p. 132)
p. 74)
p. 132)
149

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