Cordless Grinder Won't Start? Troubleshooter
Grinders have restart protection. That often catches people out.
Take the battery out before you check or clear anything on the tool. Wear eye protection when testing. Work through one question at a time. You can go back or start over whenever you like.
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Safety: this troubleshooter is general information. Follow your battery and tool maker's instructions. Don't open a pack or a mains-powered charger, bypass a protection board or force-charge a rejected pack.
