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Wrench does not turn on

Wrench does not turn on when power button is pressed

Milwaukee · M12 FUEL Digital Torque Wrenches

What does Wrench does not turn on mean?

The torque wrench is not turning on when the power button is pressed. This can happen if the battery is missing, not charged, or there's an internal firmware issue.

Common Causes

  • No battery installed
  • Battery is not charged
  • Firmware Issue

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Insert a charged battery pack into the wrench.

  2. 2

    If a battery is installed, remove it, charge it fully, and re-insert it.

  3. 3

    If the issue persists, turn the tool OFF, remove the battery, and then return it to a service center for calibration or repair.

Browse all codes in this manual (19)
Verified technical data. Last updated: April 2026

Related Faults

Battery indicator shownBattery indicator shown or Tool shut off — Battery depletedCertification expiredTool out of certification – Will expire after 14 days or has expired.Display battery over temperatureDisplay battery over temperature - Battery has exceeded peak temperature
Source: Milwaukee M12 FUEL Digital Torque Wrenches
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