Husqvarna ST 121E/96183000100 owner manual Troubleshooting

Page 18

TROUBLESHOOTING

Troubleshooting

See appropriate section in manual unless directed to a service center/department.

PROBLEM

CAUSE

CORRECTION

Does not start

1.

Safety ignition key is not inserted.

1.

Insert safety ignition key.

 

2.

Out of fuel.

2.

Fill fuel tank with fresh, clean gasoline.

 

3.

ON/OFF switch is OFF.

3.

Move ON/OFF switch to ON position.

 

4.

Choke in OFF position.

4.

Move to FULL position.

 

5.

Primer not depressed.

5.

Prime as instructed in the Operation section of this manual.

 

6.

Engine is flooded.

6.

Wait a few minutes before restarting, DO NOT prime.

 

7.

Spark plug wire is disconnected.

7.

Connect wire to spark plug.

 

8.

Bad spark plug.

8.

Replace spark plug.

 

9.

Stale fuel.

9.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

10.

Water in fuel.

10.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

11.

Vapor locked fuel line.

11.

Ensure all the fuel line is below the outlet of the fuel tank. Fuel

 

 

 

 

line should run continuously down from fuel tank to carburetor.

Loss of power

1.

Spark plug wire loose.

1.

Reconnect spark plug wire.

 

2.

Throwing too much snow.

2.

Reduce speed and width of swath.

 

3.

Fuel tank cap is covered with ice or

3.

Remove ice and snow on and around fuel tank cap.

 

 

snow.

 

 

 

4.

Dirty or clogged muffler.

4.

Clean or replace muffler.

 

5.

Improper cable length.

5.

Adjust cable.

 

6.

Blocked muffler.

6.

Clear blockage (ensure engine is cool).

 

7.

Blocked carburetor air intake.

7.

Clear blockage (ensure engine is cool).

 

 

 

 

 

Engine idles or

1.

Choke is in FULL position.

1.

Move choke to OFF position.

runs roughly

2.

Blockage in fuel line.

2.

Clean fuel line.

 

 

3.

Stale fuel.

3.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

4.

Water in fuel.

4.

Empty fuel tank & carburetor, refill with fresh, clean gasoline.

 

5.

Carburetor is in need of replacing

5.

Contact an authorized service center/department.

 

6.

Belt stretch.

6.

Replace auger v-belt.

 

 

 

 

 

Excessive

1.

Loose parts or damaged augers or

1.

Tighten all fasteners. Replace damaged parts. If vibration

vibration / Handle

 

impeller.

 

remains, contact an authorized service center/department.

movement

2.

Handles not positioned correctly.

2.

Ensure handles are locked into positioning.

 

 

3.

Adjustment lever nuts are loose.

3.

Tighten nuts until handle feels secure.

Recoil starter is

1.

Frozen recoil starter.

1.

See “IF RECOIL STARTER HAS FROZEN” in the Operation

hard to pull

 

 

 

section of this manual.

 

2.

Rope is interfering with components.

2.

Recoil rope should not be touching any wires or hoses.

 

 

 

 

 

Loss of snow

1.

Worn belt.

1.

Adjust drive cable per maintenance procedures.

discharge or

2.

Auger v-belt is off of pulley.

2.

Check / reinstall auger v-belt.

slowing of snow

3.

Auger v-belt is worn.

3.

Check / replace auger v-belt.

discharge

 

4.

Clogged discharge chute.

4.

Clean snow chute.

 

5.

Augers / impeller jammed.

5.

Remove debris or foreign object from augers / impeller.

 

 

 

 

 

Lights not On

1.

Motor not running.

1.

Start engine.

(If Equipped)

2.

Loose wire connection.

2.

Check wire connections at engine and both lights.

 

 

3.

LED burnt out.

3.

Replace LED light module. (Individual LEDs are not replaceable)

Rotator hard to

1.

Debris in chute rotator mechanism.

1.

Clean internal parts of chute rotator mechanism.

move

2.

Cable are kinked or damaged.

2.

Ensure cables are not kinked. Replace damaged cables.

 

 

 

 

 

 

18

Image 18
Contents 532 44 Safe Operation Practices for Walk-Behind Snow Throwers Shut the Engine OFF F6RTCTable of Contents Know Your Snow ThrowerAssembly SetupInstalling the Handle Installing the Discharge Chute Filling the Engine with OilProduct Overview Product OverviewFilling the Fuel Tank OperationOperation Checking the Engine Oil LevelElectrical cord can become damaged, causing a shock or fire Starting the EngineDisengaging the Auger Blades Adjusting the Discharge Chute and Chute DeflectorEngaging the Auger Blades Stopping the EngineClearing a Clogged Discharge Chute Preventing Freeze-up After UseOperating Tips Maintenance MaintenanceAdjusting the Control Cable Inspecting the Auger Blades/ Scraper Bar Changing the Engine OilServicing the Spark Plug Inch 76 mm Replacing the Auger V-Belt Storage StorageTroubleshooting TroubleshootingService Notes 1817 COVER.HANDLE.LG.SHROUD SUBASM.QUICK.ADJUST.COLDSUBASM.CONTROL.SHROUD BRACKET.SUPPORT DCC Stamp BLKPage Bolt PLENUM.MS498Washer CARRIAGE.BOLTPage PLATE.CHUTE.BASE.PNT.MS431 CABLE.DCCCABLE.BRACKETDCC CHUTE.BASE.DCCPage COVER.DRIVE.SIDE.MS428 KEY HousingCOVER.NON-DRIVE.SIDE.MS428 TOP.COVERPage PULLEY.ENG.TRACTION.3/4 SPACER.ENGINE.CRANKKEEPER.ENGINE.BELT BELT-V.TRACTIONPage WHEEL.HUSQVARNA ENGINE.208.LCT.ESTRT.W/ALTFRAME.WELDMENT.SSST NUT.HEX.FLANGE.1/4-20.CTR.LOCKSSST-Auger asm1 HEX.NUT.1/4-20 Nylon Locking BOLT.CARRIAGEPLATE.CENTER.BLADE BLADE.AUGERENGINE, LCT KEY Switch Assy Muffler ASSEMBLY-SNOWSpark Plug Boot ASSEMBLY-SNOWLimitations and Exclusions HOW to Obtain Service Consumer Wheeled Warranty Chart Qjlqh 7UDQVPLVVLRQ 06/14/2011 TH