Husqvarna Automower Error Code 12: How to Fix It
Easy 10-15 minutes plus charging time Low Severity
Verified June 2026
- Error Code
- Error 12
- Brand
- Husqvarna
- Product Type
- mower
- Severity
- Low
- DIY Difficulty
- Easy
- Estimated Fix Time
- 10-15 minutes plus charging time
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Tools You'll Need
- Soft cleaning cloth
- Soft brush or toothbrush
How to Fix Error Code Error 12
-
Manually Return Mower to Charging Station
Always turn off the mower using the main switch before handling to prevent accidental blade activation. -
Clean Charging Contacts
Ensure both devices are powered off before cleaning contacts to avoid electrical shock. -
Check Charging Station Power Supply
-
Allow Complete Charging Cycle
-
Test and Reset if Necessary
-
Adjust Mowing Schedule if Needed
Parts You May Need
Replacement battery
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Power supply adapter
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Charging station contact kit
Check Price on Amazon
Replacement battery
Check Price on Amazon
Power supply adapter
Check Price on Amazon
Charging station contact kit
Check Price on Amazon
Replacement battery
Check Price on Amazon
Power supply adapter
Check Price on Amazon
Charging station contact kit
Check Price on Amazon
Replacement battery
Check Price on Amazon
Power supply adapter
Check Price on Amazon
Charging station contact kit
Check Price on Amazon
Replacement battery
Check Price on Amazon
Power supply adapter
Check Price on Amazon
Charging station contact kit
Check Price on Amazon
Replacement battery
Check Price on Amazon
Power supply adapter
Check Price on Amazon
Charging station contact kit
Check Price on Amazon
Replacement battery
Check Price on Amazon
Power supply adapter
Check Price on Amazon
Charging station contact kit
Check Price on Amazon
Replacement battery
Check Price on Amazon
Power supply adapter
Check Price on Amazon
Charging station contact kit
Check Price on Amazon
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When to Call a Professional
Contact a Husqvarna service technician if Error 12 continues after trying these steps, if the battery won't hold a charge after 24 hours, or if you notice physical damage to the charging contacts or power supply components.Frequently Asked Questions
Why does my Husqvarna Automower keep getting Error 12?
Frequent Error 12 codes usually indicate dirty charging contacts, a mowing area that's too large for the battery capacity, or an aging battery that no longer holds a full charge. Clean the contacts regularly and consider adjusting your mowing schedule.
How long does it take to fix Automower Error 12?
The actual troubleshooting takes 10-15 minutes, but you'll need to allow 2-4 hours for the battery to fully recharge. Most Error 12 issues resolve immediately once the mower is properly placed on the charging station.
Can I prevent Husqvarna Error Code 12 from happening?
Yes, you can prevent Error 12 by keeping charging contacts clean, ensuring the charging station has reliable power, and setting appropriate mowing schedules that allow the mower to return before battery depletion.
Is Husqvarna Automower Error 12 serious?
No, Error 12 is a low-severity error that simply indicates a dead battery. It's a normal protective function and doesn't indicate any damage to your mower. Simply recharge and the mower will resume normal operation.