DeWalt Power Tool Error Code 5: How to Fix It
Easy 15-30 minutes High Severity
Verified June 2026
- Error Code
- 5
- Brand
- DeWalt
- Product Type
- power_tool
- Severity
- High
- DIY Difficulty
- Easy
- Estimated Fix Time
- 15-30 minutes
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Tools You'll Need
- Dry cloth
- Contact cleaner (optional)
How to Fix Error Code 5
-
Check Battery Contacts
Ensure the charger is unplugged before cleaning contacts. -
Reset the Charger
-
Test with Another Battery
Use only DeWalt batteries to avoid damage. -
Check for Overheating
Do not place charger or battery near heat sources or in direct sunlight. -
Inspect for Physical Damage
Do not use a swollen or damaged battery. It can pose a fire risk.
Parts You May Need
DeWalt Battery
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DeWalt Charger
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DeWalt Battery
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DeWalt Charger
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DeWalt Battery
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DeWalt Charger
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DeWalt Battery
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DeWalt Charger
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When to Call a Professional
If cleaning, resetting, and testing with another battery don't resolve the issue, the charger or battery is defective. Contact DeWalt support or a certified repair center. Do not attempt to open the charger or battery yourself.Frequently Asked Questions
What does red and green flashing mean on a DeWalt charger?
It indicates a battery or charger fault, commonly known as error code 5. It could be due to dirty contacts, overheating, or a defective battery/charger.
Can I leave a DeWalt battery on the charger permanently?
No. Leaving a fully charged battery on the charger can reduce its lifespan. Remove it once fully charged.
How long does a DeWalt charger last?
With proper use, a DeWalt charger can last 5-10 years. Failure is often due to power surges or physical damage.
Is it safe to use a third-party battery with DeWalt charger?
DeWalt recommends using only genuine DeWalt batteries. Third-party batteries may cause charging issues or safety hazards.
Why is my DeWalt charger blinking red and green but not charging?
It typically means the battery is too hot, cold, or has a fault. Try cooling or warming the battery to room temperature. If the issue persists, the battery may be defective.