Husqvarna Automower Error Code 28: How to Fix It

Medium 30-45 minutes Critical Severity Verified June 2026
Error Code
Error 28
Brand
Husqvarna
Product Type
mower
Severity
Critical
DIY Difficulty
Medium
Estimated Fix Time
30-45 minutes
Husqvarna Automower error code 28 indicates a memory circuit problem on the main board, which is a critical fault that prevents your mower from operating properly. This error typically means the mower's control board has experienced a hardware failure and cannot store or access essential operational data.
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Tools You'll Need

How to Fix Error Code Error 28

  1. Power cycle the mower

    Ensure the mower blades have completely stopped before handling the unit.
  2. Perform a factory reset

    Factory reset will erase all your custom settings and schedules. Take note of your current settings before proceeding.
  3. Check for loose connections

    Disconnect power and remove the battery before opening the mower. Wear anti-static protection when handling electronic components.
  4. Inspect the main control board

  5. Test with known good battery

    Only use genuine Husqvarna batteries or compatible replacements with matching voltage specifications.
  6. Contact Husqvarna service

Parts You May Need

Main control board
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Replacement battery
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Main control board
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Replacement battery
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Main control board
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Replacement battery
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Main control board
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Replacement battery
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Main control board
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Replacement battery
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Main control board
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Replacement battery
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Main control board
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Replacement battery
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Main control board
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Replacement battery
Check Price on Amazon
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When to Call a Professional

Call a professional if the error persists after factory reset and basic troubleshooting, as error 28 typically requires main control board replacement which involves specialized programming and calibration that must be performed by authorized technicians.

Frequently Asked Questions

What causes Husqvarna Automower error 28?
Error 28 is caused by a memory circuit problem on the main control board, typically due to component failure, water damage, power surges, or normal wear over time.
Can I fix Automower error 28 myself?
You can try basic troubleshooting like power cycling and factory reset, but error 28 usually requires main board replacement which should be done by authorized service technicians.
How much does it cost to fix error 28 on Husqvarna Automower?
Repair costs vary by model and warranty status, but main board replacement typically ranges from $200-500 including parts and labor at authorized service centers.
Is Husqvarna Automower error 28 covered under warranty?
Error 28 may be covered under warranty if the mower is within the warranty period and the failure is not due to damage from water, impacts, or misuse.
How long do Husqvarna Automower control boards last?
Main control boards typically last 5-7 years with proper maintenance and protection from moisture, though some may fail earlier due to environmental factors or manufacturing defects.