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Battery overheat blinking

Indicator blinks — Battery overheating

Makita · Cordless String Trimmers

What does Battery overheat blinking mean?

The battery is too hot. The battery indicator light blinks, and the tool will stop automatically. Let the battery cool down before use.

Common Causes

  • Battery has been used heavily and is hot
  • Charging a hot battery
  • High ambient temperature

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Remove the battery from the tool.

  2. 2

    Let the battery cool down completely in a cool, dry place.

  3. 3

    Ensure the battery is not exposed to direct sunlight or excessive heat.

  4. 4

    Reinsert the cooled battery and try again.

Browse all codes in this manual (5)
Verified technical data. Last updated: April 2026

Related Faults

Overdischarge blinkingIndicator blinks — Battery over-dischargedOverload blinkingMiddle indicators blinking — Overload protection activatedRed indicator visibleRed indicator visible on battery button — Battery not locked
Source: Makita Cordless String Trimmers
Open Manual (Page 12)Search more codes in this manual