Flashing Error LightsUpdated 4 hours ago

Modern Milwaukee batteries and chargers may display flashing LED indicators when a fault is detected.

Possible Causes

• Battery temperature fault
• Charging error
• Internal battery protection activation
• Damaged battery cells

Resolution

• Remove the battery from the charger.
• Allow the battery to cool or warm to room temperature.
• Reinsert the battery and monitor the charger indicators.
• Refer to the charger manual for specific LED fault codes.

If error lights persist, the battery may require replacement.