Troubleshooting - Ariens Sno-Thro Deluxe 30 EFI Operator's Manual

Problem Probable Cause
Engine key in stop position.
Fuel tank is empty.
Contaminated fuel supply.
Ignition switch starter circuit is
not functioning. (Electric start)
Spark plug wire is disconnected. Connect spark plug. Refer to engine
Engine will not
Spark plug is faulty.
start.
Engine is faulty.
Battery is dead.
EFI battery is disconnected.
Plugged inline fuel filter.
Battery fuse blown.
Spark plug is faulty, fouled or
incorrectly gapped.
Engine starts
hard or runs
Plugged inline fuel filter.
poorly.
Fuel cap vent is blocked.
Fuel tank is empty.
Obstruction in auger or impeller. Stop engine, remove key and wait for all
Contaminated fuel supply.
Spark plug is faulty.
Engine stops.
Fuel cap vent is blocked.
Battery is dead.
Engine is faulty.
Plugged inline fuel filter.
Unit runs A build up of fumes in the fuel
briefly then tank is creating too much
stops. pressure in the fuel tank.

TROUBLESHOOTING

EN - 22
Correction
Turn engine key to run position. See
Engine Key on page 9.
Fill tank with fuel. See Before Operating
Unit on page 11. ECU will display a red
blink code. See Controls & Features on
page 8. Refer to the Service Guide for
your unit.
Replace with clean fuel.
See your dealer for repair.
manual.
Replace spark plug. Refer to engine
manual.
See your Ariens dealer or authorized
engine manufacturer's service center.
See Charge Battery on page 15. See
Controls & Features on page 8. Refer to
the Service Guide for your unit.
Connect EFI battery. See Start The
Engine on page 11.
Replace inline fuel filter. Refer to the
Service Guide for your unit.
Fuses typically fail due to short circuit.
See dealer for repair.
Clean and correctly set spark plug gap
(refer to engine manual) or see your
Ariens dealer.
Replace inline fuel filter. Refer to the
Service Guide for your unit.
Install new fuel cap.
Fill tank with fuel. See Before Operating
Unit on page 11. ECU will display a red
blink code. See Controls & Features on
page 8. Refer to the Service Guide for
your unit.
moving parts to stop. Check for and
remove obstruction before restarting.
Replace with clean fuel.
Replace or clean spark plug. Refer to
engine manual.
Install new fuel cap.
See Charge Battery on page 15.
See your Ariens dealer or authorized
engine manufacturer's service center.
Also, refer to your unit's service manual.
Replace inline fuel filter. Refer to the
Service Guide for your unit.
Slowly loosen the fuel tank cap.