Husqvarna Automower Error Code 21: How to Fix It

Q: What causes Husqvarna Automower Error Code 21?

Error Code 21 is caused by the rear right wheel motor being blocked by debris, grass clippings, or objects that prevent normal wheel rotation. In some cases, it can indicate motor failure requiring replacement.

Q: Can I continue using my Automower with Error 21?

No, you should not continue using the mower with Error 21. The blocked wheel motor can cause uneven cutting, potential damage to the lawn, and additional strain on other mower components.

Q: How can I prevent Automower Error 21 from happening again?

Regular maintenance including cleaning the underside of the mower, removing debris from the work area, and checking for objects that could wrap around wheels will help prevent Error 21. Clean the mower weekly during heavy use periods.

Q: Is Husqvarna Automower Error 21 covered under warranty?

Motor failure may be covered under warranty depending on the age of your mower and cause of failure. Damage from lack of maintenance or debris is typically not covered. Check your warranty documentation or contact Husqvarna customer service.

Q: How much does it cost to replace a wheel motor on Husqvarna Automower?

Wheel motor replacement costs vary by model but typically range from $150-300 including parts and labor. DIY replacement can save labor costs but requires technical skill and may void warranty if done incorrectly.

Abstract

Husqvarna Automower Error Code 21 indicates that the rear right wheel motor is blocked or obstructed. This prevents the mower from moving properly and requires immediate attention to clear debris or potentially replace the motor assembly.