⚡ TL;DR — Quick Answer

Prime pump via steam function for 30 seconds.

Reviewed October 2026: refreshed with universal checks, brand-specific next steps, and safer repair triage.

Quick diagnostic checklist: coffee machine water not pumping

Confirm first

  • Whether the pump makes noise or stays silent.
  • Whether water reaches the tray, brew group, or does not move at all.
  • Whether lights, beeps, or error codes appear.
  • Whether the fault started after cleaning, descaling, or changing capsules.

Before replacing parts

Use this page to isolate the affected system. Then move to the brand guide for Nespresso, Krups, DeLonghi, Jura, Keurig, Philips Saeco, or your specific machine.

Searches this covers

  • coffee machine water not pumping
  • coffee maker not working
  • problem after descaling
  • when to call a repair technician

Understanding Water Not Pumping

This is one of the most reported coffee machine problems. Pump failures require priming, air lock removal, or pump replacement. The fix varies by machine type and brand.

Universal Troubleshooting Steps

These steps work across all major brands:

  1. Prime pump via steam function for 30 seconds.
  2. Check for air locks in the pump housing.
  3. Verify water level sensor is clean.
  4. Test pump voltage with a multimeter.

Brand-Specific Guides

Frequently Asked Questions

Air lock in the pump, clogged filter, or failed pump. Prime via steam function first.

Activate steam function for 30 seconds with wand pointing up. This clears air bubbles.

Not necessarily. Air locks are common. If priming doesn't work, test pump voltage with a multimeter.

No, this will damage the pump. Always ensure adequate water before operation.

Failing pump motor or electrical connection. Check voltage and inspect pump housing for leaks.