Greenworks Mower Error Code Red+Green: How to Fix It

Easy 5-10 minutes (plus 30-60 minute cooling period) Low Severity Verified June 2026
Error Code
Red+Green
Brand
Greenworks
Product Type
mower
Severity
Low
DIY Difficulty
Easy
Estimated Fix Time
5-10 minutes (plus 30-60 minute cooling period)
The red and green lights on your Greenworks mower indicate charging has been suspended due to thermal protection. This safety feature activates when the battery or charger becomes too hot during charging, preventing damage to your equipment.
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Tools You'll Need

How to Fix Error Code Red+Green

  1. Stop charging immediately

    Always disconnect power before handling the battery or charger to prevent electrical shock.
  2. Allow cooling period

  3. Check charging location

  4. Inspect for blockages

  5. Restart charging process

  6. Monitor charging session

Parts You May Need

Replacement battery
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Replacement charger
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Replacement battery
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Replacement charger
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Replacement battery
Check Price on Amazon
Replacement charger
Check Price on Amazon
Replacement battery
Check Price on Amazon
Replacement charger
Check Price on Amazon
Replacement battery
Check Price on Amazon
Replacement charger
Check Price on Amazon
Replacement battery
Check Price on Amazon
Replacement charger
Check Price on Amazon
Replacement battery
Check Price on Amazon
Replacement charger
Check Price on Amazon
Replacement battery
Check Price on Amazon
Replacement charger
Check Price on Amazon
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When to Call a Professional

Contact Greenworks customer service if the red+green lights persist after multiple cooling attempts, if the battery won't hold a charge, or if you notice any damage to the battery casing or charger. Also seek professional help if the battery becomes extremely hot during normal use.

Frequently Asked Questions

Why do my Greenworks mower lights show red and green at the same time?
Red and green lights together indicate thermal protection is active. The charger has suspended charging because the battery or charger became too hot, protecting your equipment from heat damage.
How long should I wait before trying to charge again?
Wait at least 30-60 minutes for the battery and charger to cool down completely. In very hot conditions, you may need to wait longer before the thermal protection resets.
Can I use my Greenworks mower while the battery shows red and green lights?
No, do not use the mower when thermal protection is active. This indicates the battery is too hot and needs to cool down before it's safe to use or charge.
What temperature is too hot for charging my Greenworks battery?
Greenworks batteries should be charged between 32°F and 104°F (0°C to 40°C). Charging in temperatures above this range will trigger thermal protection.
Is the red and green light error serious on my Greenworks mower?
This is not a serious error but rather a safety feature. It prevents damage from overheating. Simply allow cooling time and ensure proper charging conditions to resolve it.