MTD 31AH5Q3G401 - Manual (Page 15)

15
SECTION 8: TROUBLE SHOOTING
Problem Cause Remedy
Engine fails to start 1. Fuel tank empty, or stale fuel.
2. Blocked fuel line.
3. Choke not in ON position
4. Faulty spark plug.
5. Safety key not in ignition switch on engine.
6. Spark plug wire disconnected.
7. Primer button not being used properly.
8. Fuel shut-off valve closed.
1. Fill tank with fresh gasoline.
2. Clean the fuel line.
3. Move switch to ON position
4. Clean, adjust gap or replace.
5. Insert the key fully into the switch.
6. Connect spark plug wire.
7. Refer to the engine manual.
8. Open fuel shut-off valve.
Engine runs erratic 1. Unit running on CHOKE.
2. Blocked fuel line or stale fuel.
3. Water or dirt in fuel system.
4. Carburetor out of adjustment.
1. Move choke lever to OFF position.
2. Clean fuel line; fill tank with clean, fresh
gasoline.
3. Drain fuel tank and carburetor. Refill with
fresh fuel.
4. Refer to the engine manual.
Loss of power 1. Spark plug wire loose.
2. Gas cap vent hole plugged.
3. Exhaust port plugged.
1. Connect and tighten spark plug wire.
2. Remove ice and snow from gas cap. Be
certain vent hole is clear.
3. Refer to the engine manual.
Engine overheats 1. Carburetor not adjusted properly. 1. Refer to the engine manual or have the
carburetor adjusted by an authorized
engine service dealer.
Excessive vibration 1. Loose parts or damaged auger. 1. Stop engine immediately and disconnect
spark plug wire. Tighten all bolts and nuts. If
vibration continues, have unit serviced by
an authorized service dealer.
Unit fails
to propel itself 1. Traction control cable in need of adjustment.
2. Drive belt loose or damaged.
1. Adjust traction control cable. Refer to
Adjustment Section.
2. Replace drive belt. Refer to Servicing
Section.
Unit fails
to discharge snow 1. Discharge chute clogged.
2. Foreign object lodged in auger.
3. Auger control cable in need of adjustment.
4. Auger belt loose or damaged.
5. Shear bolt(s) sheared.
1. Stop engine immediately and disconnect
spark plug wire. Clean discharge chute and
inside of auger housing.
2. Stop engine immediately and disconnect
spark plug wire. Remove object from auger.
3. Refer to Final Adjustments in Assembly
Section.
4. Refer to the Servicing Section.
5. Replace shear bolt(s).
Electric chute fails to
turn 1. Loose electrical connections.
2. Blown Fuse.
1. Make sure all connections are tight and fully
installed.
2. Replace with #5A fuse. The fuse is under
handle panel near switch connector.
Electric chute turns in
opposite direction of
the switch 1. The switch connector is installed backwards 1. Unplug the switch connector under the
handle panel. Turn connector 180° and
reconnect.
Heated grips are not
creating heat 1. Loose electrical connections.
2. Blown fuse.
3. Faulty grip. If one heated grip fails, both grips
will not function.
1. Under the handle panel, check connections
from the handles to the wiring harness.
2. Replace with #5A fuse. The fuse is under
handle panel near switch connector.
3. Have the grips checked at an authorized
service dealer.