F78

Circulation Pump Fault

Description

A fault has been detected with the circulation pump. This may be due to a blockage or a defective component.

Appliance Error Codes Details

Error Code
F78
Error Name
Circulation Pump Fault
Appliance Type
dishwasher
Brand
Miele
Severity
high

Possible Causes

  • Water circulation problems
  • Drain system blockage
  • Heating element failure
  • Control system malfunction
  • Door latch or seal issues

Step-by-Step Solution

  1. 1. Clean filters and spray arms
  2. 2. Check water supply temperature
  3. 3. Inspect drain hose and connections
  4. 4. Verify proper loading and detergent
  5. 5. Test cycle selection and settings

Additional Troubleshooting

1. Turn off the appliance and wait a few minutes before restarting.
2. Check the filter system and clean if necessary.
3. Ensure the spray arms are not blocked.
4. If the problem persists, contact Miele service.

When to Call Service

  • Pump motor replacement should be done professionally
  • Control system diagnostics require specialized equipment
  • Plumbing connections may need professional installation

Prevention Tips

  • Clean filters weekly
  • Scrape dishes before loading
  • Use proper detergent amount
  • Run hot water before starting cycle
  • Check drain hose monthly

Was this helpful?

Loading...

Send Feedback

Found an error or have a suggestion? We respond within 48 hours.

Fact-checking completed

Verified by: Pavel Volkov
Created:
Last updated:
Information verified against official sources

Official Sources

Official Manufacturer Service Manuals

Service manuals and technical documentation from appliance manufacturers

Original equipment manufacturers official documentation

Industry Standards Organizations

International standards for electrical appliances and error codes

International Electrotechnical Commission standards