Ariens Professional 926521 Troubleshooting

If you are having problems with your Ariens Professional 926521 Snow Blower, you are not alone. Many Ariens Professional 926521 owners experience issues with their snow blower from time to time, and it can be frustrating to deal with these problems.

I have problems with my Ariens Professional 926521

Ariens Professional 926521 Snow Blower Problems

Below are common issues and solutions for the Ariens Professional 926521:

The Ariens Professional 926521 Engine will not start.

Cause Solution
  • Engine is turned off
  • Turn engine key to start position. See Engine Key on page 11.
  • Fuel tank is empty
  • Fill tank with fuel. See Before Operating Unit on page 14. ECU will display a red blink code. See Controls & Features on page 9. Refer to the Service Manual for your unit
  • Ignition switch starter circuit is not functioning. (Electric start)
  • See your dealer for repair.
  • Spark plug wire is disconnected
  • Connect spark plug. Refer to engine manual
  • Spark plug is faulty
  • Replace spark plug. Refer to engine manual
  • Engine is faulty
  • See your Ariens dealer or authorized engine manufacturer’s service center. Also, refer to your unit’s service manual
  • Plugged fuel filter
  • Replace fuel filter. Refer to the Service Manual for your unit.
  • Fuse is blown
  • Fuses typically fail due to short circuit. See dealer for repair.

The Ariens Professional 926521 Engine will not crank

Cause Solution
  • Battery is not charged or is faulty
  • Charge or replace battery. Refer to engine manual

The Ariens Professional 926521 Engine starts hard or runs poorly.

Cause Solution
  • Plugged fuel filter.
  • Replace fuel filter. Refer to the Service Manual for your unit
  • Spark plug is faulty, fouled or incorrectly gapped
  • Clean and correctly set spark plug gap (refer to engine manual) or see your Ariens dealer
  • Fuel cap vent is blocked
  • Install new fuel cap

The Ariens Professional 926521 Engine stops

Cause Solution
  • Fuel tank is empty
  • Fill tank with fuel. See Before Operating Unit on page 14. ECU will display a red blink code. See Controls & Features on page 9. Refer to the Service Manual for your unit.
  • Obstruction in auger or impeller.
  • Stop engine, remove key and wait for all moving parts to stop. Check for and remove obstruction before restarting
  • Contaminated fuel supply
  • Replace with clean fuel
  • Engine is faulty
  • See your Ariens dealer or authorized engine manufacturer’s service center. Also, refer to your unit’s service manual
  • Spark plug is faulty
  • Replace spark plug. Refer to engine manual
  • Fuel cap vent is blocked.
  • Install new fuel cap.
  • Battery is dead
  • Charge or replace battery
  • Plugged fuel filter
  • Replace fuel filter. Refer to the Service Manual for your unit.

The Ariens Professional 926521 Unit runs briefly then stops.

Cause Solution
  • A build up of fumes in the fuel tank is creating too much pressure in the fuel tank
  • Slowly loosen the fuel tank cap.

The Ariens Professional 926521 Unit does not drive forward or in reverse

Cause Solution
  • Traction drive cable is not adjusted correctly.
  • Remove slack from cable. See Adjust Traction Drive Clutch on page 24.
  • Traction belt is not functioning
  • Repair or replace traction drive belt. Refer to the service manual for your unit.
  • Speed selector is not adjusted correctly
  • Adjust speed selector. See Adjust Speed Selector Lever on page 21.
  • Transmission is bypassed
  • Push the bypass rod in to engage the transmission for normal operation. See Move Unit Manually on page 16.

The Ariens Professional 926521 Unit does not throw snow or throws it poorly

Cause Solution
  • Shear bolts are broken
  • See Replace Shear Bolts on page 20.
  • Attachment clutch / brake is not adjusted correctly.
  • See Adjust Attachement Clutch & Brake on page 21
  • Impeller is frozen in place
  • Move unit to a warm place to thaw
  • Ice or debris is obstructing auger
  • Stop engine, remove key and wait for moving parts to stop. Check for and remove obstruction before restarting.
  • Discharge chute is clogged with snow
  • Stop engine, remove key and wait for all moving parts to stop and for hot parts to cool. Clean discharge chute and auger housing with clean-out tool. DO NOT use your hands
  • Auger drive belt is slipping, worn or damaged.
  • Adjust or replace auger drive belt. Refer to the service manual for your unit.
  • Auger drive belt is loose or damaged
  • Replace belt or adjust auger control cable. Refer to the service manual for your unit
  • Throttle control knob is in wrong position.
  • Ensure throttle control knob is set to fast position

The Ariens Professional 926521 Excessive snow is left behind.

Cause Solution
  • Scraper blade is worn or damaged
  • Adjust when worn and replace when damaged or when blade has been adjusted down as far as possible and does not touch ground or clear correctly. See Adjust Scraper Blade on page 20.

The Ariens Professional 926521 Unit pulls to the left or right

Cause Solution
  • Skid shoes and scraper blade need adjustment
  • Adjust skid shoes and scraper blade. See Adjust Skid Shoes and Adjust Scraper Blade on page 20

The Ariens Professional 926521 Belt squeals continuously

Cause Solution
  • Impeller may be frozen
  • Move unit to a warm area to thaw
  • Attachment clutch needs adjustment.
  • See Adjust Attachment Clutch & Brake on page21.

The Ariens Professional 926521 Discharge chute controls do not work

Cause Solution
  • System has self protected due to over-heating
  • DO NOT operate controls momentarily to allow protection feature to cool.

The Ariens Professional 926521 Discharge chute controls do not work after cooling.

Cause Solution
  • Fuse is blown
  • Check and replace fuse with fuse of equivalent rating. If fuse is not blown or continues to blow, refer to your Service Manual.

Ariens Professional 926521 Replacement Parts

How to Diagnose and Repair a Ariens Professional 926521

This guide will help you identify and resolve issues with your Ariens Professional 926521 Snow Blower.

Ariens Professional 926521 Issues? Need Help?

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