Mr Coffee coffee machine Troubleshooting

Mr Coffee Coffee Machine Grinder Not Working

Expert guide to diagnose and fix "grinder not working" on Mr Coffee machines.

⚡ TL;DR — Quick Answer

Remove all beans from the Mr Coffee hopper. Clean the burrs with a dry brush.

Reviewed October 2026: refreshed with diagnostic checks, likely causes, and safer first steps before replacing parts.

Quick diagnostic checklist for Mr. Coffee: grinder not working

What this usually means

When a Mr. Coffee machine has grinder not working, first separate the fault into water flow, heating, capsule/grinder feed, cleaning, or electronics. That split prevents unnecessary part replacement.

Check before repair

  • Test with a full, correctly seated water tank.
  • Run one blank cycle without coffee or capsule.
  • Listen for pump noise versus complete silence.
  • Check whether water reaches the drip tray or leaks underneath.
  • Note whether the issue started after descaling or cleaning.

Before replacing parts

Do not replace the pump, heater, grinder, or control board first. Rule out air locks, scale, blocked intakes, bad tank seating, stuck capsules, and reset states before buying parts.

This guide also helps with

  • Mr. Coffee grinder not working
  • Mr. Coffee coffee machine not working correctly
  • Mr. Coffee makes noise but does not brew
  • problem returns after descaling

Related problems

If the symptom changes during testing, also check these Mr. Coffee guides:

What Causes Grinder Not Working?

Mr. Coffee machines are affordable drip brewers with simple mechanical components.

Step-by-Step Fix

Follow these steps specifically for Mr Coffee machines:

  1. Remove all beans from the Mr Coffee hopper. Clean the burrs with a dry brush.
  2. Check the chute for blockage. On Mr Coffee machines, oily beans can clog the funnel.
  3. Listen for motor hum. If humming, manually rotate the burrs to dislodge the jam.
  4. Inspect the grinder gear. Mr Coffee machines use plastic gears that strip under load.

Mr Coffee Pro Tip

Expert advice: If the machine brews slowly, check the spray head for mineral deposits blocking water flow.

Model-Specific Notes

These steps apply to: Mr. Coffee 12-Cup, Mr. Coffee Café Barista, Mr. Coffee DR series, Mr. Coffee BVMC, Mr. Coffee EM600. For exact part numbers, consult the Mr Coffee parts catalog at Mr Coffee Support.

Preventive Maintenance

Run a vinegar cycle monthly to remove hard water deposits.

Popular Mr Coffee Models

Mr. Coffee 12-Cup Mr. Coffee Café Barista Mr. Coffee DR series Mr. Coffee BVMC Mr. Coffee EM600

When to Call a Professional

If these steps don't resolve the issue, contact an authorized Mr Coffee service center. Complex electrical or hydraulic problems require professional diagnosis.

Related Mr Coffee Issues

Not Turning On Not Heating Error Codes Leaking Water Ver versión en español

Other Brands

Nespresso Keurig DeLonghi

See Also

Related issues on Mr Coffee:

Coffee Grounds In CupWeak FrothMaking Loud Noise

Frequently Asked Questions

A silent grinder is usually a jammed burr set, a tripped safety switch, or a worn drive gear. A Mr. Coffee grinder that stops usually has beans jammed in the burrs, an empty-hopper sensor triggered, or worn burrs. Empty and brush the hopper, run a few dry beans through, and never force the motor. Detailed steps in our Grinder Not Working guide.

When the grinder on a Mr. Coffee stalls, the first suspects are jammed beans and the hopper sensor. Clear the burrs with a brush, refill the hopper, and run a short grind. If it still stops, the burrs or drive gear may be worn — see our Grinder Not Working guide.

A silent Mr. Coffee grinder is most often a jam or a tripped safety switch. Unplug, remove the hopper, brush the burrs clean, and try again with a small amount of beans. Persistent failure points to the gear or motor — repair steps in our Grinder Not Working guide.