Melitta Abnormal Mechanical Noise from Brew Group

Machine makes loud knocking or clicking noises during brewing.

Advertisements

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Advertisements

Possible Causes

Dry or unlubricated brew group rails, Misaligned brew group, Worn drive gears, Foreign object in brew mechanism

How to Fix / Troubleshooting

Safety first: Unplug before removing the brew group.

Steps:

  • Clean and lubricate: Remove the brew unit, clean thoroughly, and lubricate rails and joints with food-safe silicone grease.
  • Inspect for damage: Check for broken plastic parts or foreign objects in the brew chamber.
  • Reinsert correctly: Ensure the brew group is properly aligned and locked.

Persistent loud knocking may indicate worn gears or a failing drive motor, which should be replaced.

Advertisements

Repair Difficulty

Medium 3/5

Required Part

Brew Group Drive Gear
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements