Mr Coffee coffee machine Troubleshooting

Mr Coffee Coffee Machine Not Holding Temperature

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

⚡ TL;DR — Quick Answer

Check that the 🏠 Mr Coffee power cord is firmly seated in both the machine and wall outlet.

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

Quick diagnostic checklist for Mr. Coffee: not holding temperature

What this usually means

When a Mr. Coffee machine has not holding temperature, 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 not holding temperature
  • 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 Not Holding Temperature?

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

Step-by-Step Fix

Follow these steps specifically for Mr Coffee machines:

  1. Check that the 🏠 Mr Coffee power cord is firmly seated in both the machine and wall outlet.
  2. Test the outlet with another device. If the outlet has power, inspect the Mr Coffee power switch for damage.
  3. Perform a hard reset: unplug the Mr Coffee machine for 60 seconds, then reconnect. This clears temporary control board faults.
  4. If still dead, the internal thermal fuse or power supply module may need replacement. Contact Mr Coffee service.

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 Holding Temperature Not Heating Error Codes Leaking Water Ver versión en español

Other Brands

Nespresso Keurig DeLonghi

See Also

Related issues on Mr Coffee:

Not HeatingOverheatingSlow Brewing

Frequently Asked Questions

Temperature that drops quickly points to scale on the boiler or a failing thermostat. Scale builds up inside every coffee machine and eventually blocks the boiler and pipes. Run a full descaling cycle with Mr. Coffee's approved descalant every 2-3 months (or whenever the machine prompts it), then rinse with fresh water. If your machine refuses to descale, see our Not Holding Temperature guide.

The quickest way to fix scale problems on a Mr. Coffee is a full descaling run: use the approved descalant, follow the machine's cycle, and finish with two rinse brews. Repeat every 2-3 months, or as soon as the alert appears. Step-by-step instructions are in our Not Holding Temperature guide.

If a Mr. Coffee has not been descaled for a while, limescale restricts the boiler and pipes. Buy the brand's descalant, run the descale program, rinse thoroughly, and schedule it every 2-3 months from now on. See our Not Holding Temperature guide for the full routine.