Try looking at our troubleshooting page here. It sounds like you may have installed the blades incorrectly. If this is not the case, perhaps the blades are worn out, in which case you'll need to purchase a new blade. Hope this helps.
We have a chance to guarantee our right to repair electronic
equipment—like smartphones, computers, and even farm equipment. This is a once-in-a-generation
chance to protect local repair jobs—the corner mom-and-pop repair shops that
keep getting squeezed out by manufacturers.
Join the cause and tell your state representative to support Right to Repair. Tell them you believe repair should be fair, affordable, and accessible. Stand up for your right to repair!