Ground coffee appears very uneven or contains large chunks.

Safety first: Unplug and empty the hopper.

Improvement steps:

• Inspect burrs: Remove upper burr and check for chips or cracks. Replace if damaged.
• Tighten carrier: Ensure the burr carrier is firmly locked in place and not wobbling.
• Remove debris: Vacuum out any foreign objects or large fragments.
• Test grind: After reassembly, test with a small amount of beans and adjust grind setting as needed.