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scottlindsayJul 27, 2025
What to do if 4 LEDs flash on my Hilti CD 4-A22 Rivet Tools?
- SSteven CoxJul 27, 2025
If you observe 4 LEDs flashing on your Hilti Rivet Tools, it could indicate that the product was momentarily overloaded or that it is overheating. To resolve this, first release the control switch and then press it again. If the issue persists, allow the product to cool down and ensure the air vents are clean to prevent overheating.