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gpowellJul 27, 2025
What to do if all 4 LEDs flash on my Hilti Grinder and it doesn't work?
- EEric LeeJul 27, 2025
If all 4 LEDs are flashing and the device isn't working, it means the tool has been overloaded. Release the control switch, then press it again. Allow the power tool to run under no load for approximately 30 seconds.