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1 light flashes 8 times

1 fuel gauge light flashes 8 times - Battery completely discharged

Milwaukee · M12 FUEL Drills

What does 1 light flashes 8 times mean?

The tool will not run because the battery pack is completely depleted of charge. This signal indicates the end of the battery's operational capacity and requires immediate charging.

Common Causes

  • The battery has been fully discharged from prolonged use.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Remove the completely discharged battery pack from the tool.

  2. 2

    Insert the battery pack securely into the appropriate Milwaukee charger.

  3. 3

    Allow the battery to charge until the charger indicates a full charge.

  4. 4

    Refer to your charger's operator manual for specific charging instructions.

Browse all codes in this manual (8)
Verified technical data. Last updated: April 2026

Related Faults

1 light flashes 4 times1 fuel gauge light flashes 4 times - Battery low chargeDamaged cordDamaged or entangled cord - Risk of electric shockFuel gauge lights flashFuel gauge lights flash - Battery too hot
Source: Milwaukee M12 FUEL Drills
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