Miele Dishwasher: error codes

Professional Repair Guide

What is this symptom?

Experiencing Miele dishwasher error codes? These codes indicate specific faults like drainage issues, water intake problems, leak detection, or pump errors. Identifying the error code can help you troubleshoot effectively and restore your dishwasher's functionality.

Urgency: Medium

Important Tips for Miele Models

  • Error codes like F11, F12, F13, F14, F70, F78 and F79 are common on many Miele dishwasher models with specific meanings related to drainage, water intake, leaks, and pump communication.

Possible Causes

Drainage fault (e.g., error F11/F14)

How to Identify: Code F11 or F14 shown on display; dishwasher fails to drain water at end of cycle

Part: Drain pump / drain hose / filter combination

Water intake fault (e.g., error F12/F13)

How to Identify: Error F12 or F13 displayed; dishwasher does not fill with water or detects improper water supply

Part: Water inlet valve / water supply hose / water filter

Leak detection triggered (error F70)

How to Identify: F70 displayed; water detected under the base of the dishwasher; possible visible moisture

Part: Leak detection sensor / door seal / hose connections

Circulation pump fault or communication error (F78/F79)

How to Identify: Codes F78 or F79 appear; dishwasher may not wash properly or stops mid-cycle

Part: Circulation pump / control board communication

DIY Solutions

Clean drain filter and check drain hose

Moderate 15–30 minutes
Tools Needed: screwdriver (if needed), towels
  1. Turn off power and water supply
  2. Remove bottom dish rack and access filter assembly
  3. Take out and clean filter combination of food debris
  4. Check drain hose for kinks and clear any visible blockages
  5. Reassemble and run short rinse cycle to test
⚠️ Safety First: Ensure power is off before accessing internal parts

Inspect and clear water inlet

Moderate 10–20 minutes
Tools Needed: pliers, bucket
  1. Turn off water supply
  2. Disconnect water inlet hose
  3. Check inlet filter for debris and clean
  4. Ensure hose is not kinked and reconnect securely
  5. Turn on water and test
⚠️ Safety First: Avoid overtightening connections

Next step

Choose the next step for error codes

Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.

Check during diagnosis

Most relevant component to inspect

Drain Hose

Carries waste water from the drain pump to your home's standpipe or sink drain.

Typical part-only price
$15 - $30
DIY difficulty
Easy
Estimated time
15-30 mins
Where can I find the model number?

Check the rating label around the door, lid, frame, rear panel, or inside the appliance cabinet. Use the complete model number, including suffixes.

Find a part that fits my model

Verify the complete model and part number on the retailer's compatibility page before ordering.

Other parts options

Check related components first; use model search as a fallback.

Possible related component

Drain Pump

Pumps waste water out of the appliance during the drain cycle.

$35 - $80 · Easy · 15-30 mins

Check fit & price
Possible related component

Water Inlet Valve

Controls the flow of hot and cold water into the appliance.

$25 - $60 · Easy · 15-30 mins

Check fit & price
Possible related component

Water Supply Hose

Connects your home water valves to the water inlet valve on the appliance.

$15 - $35 · Easy · 10-15 mins

Check fit & price
Model number required

Model-compatible Dishwasher parts

Enter the complete model number to browse compatible replacement parts. This is a model-based parts search, not a diagnosis that a specific component failed.

Find a part that fits my model

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. We may earn a commission from other qualifying purchases or service requests made through links on this page, at no additional cost to you. Recommendations are based on repair relevance, not commission rate.

Optional routine care

Maintenance supplies

These products support cleaning or routine upkeep. They are separate from the possible repair components above and are not claimed to fix this error code or symptom.

Maintenance supply

Dishwasher Cleaner and Descaler

Supports routine removal of mineral scale, grease, and odor. It is maintenance, not a repair for a failed pump, valve, or control.

View maintenance supply
Maintenance supply

Braided Dishwasher Inlet Hose

For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.

View maintenance supply

Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.

Professional Repairs

Replace circulation or drain pump

Estimated Cost: $150 - $400

Service water leak sensor and door seals

Estimated Cost: $100 - $250

When to Call a Professional

Error persists after DIY cleaning of filters and hoses
Error codes related to pump faults (F78/F79) continue
Visible water leakage or damage under dishwasher base
Water intake or drainage issues not explained by simple clogs

Preventive Maintenance

  • Clean filters: Drainage errors and clogs leading to error codes
    Frequency: weekly
  • Inspect hoses for kinks: Water supply and drainage errors
    Frequency: monthly

Frequently Asked Questions

Why is my Miele Dishwasher showing error codes?
Common causes include drainage faults (F11/F14), water intake issues (F12/F13), leak detection (F70), or circulation pump problems (F78/F79).
How do I fix Miele Dishwasher error codes myself?
You can clean the drain filter and check the water inlet for debris. Turn off power and water before starting.
How much does it cost to fix error codes?
Professional repairs can range from $100 to $400, depending on the issue and parts needed.
When should I call a technician for error codes?
Consider calling a technician if DIY solutions don't resolve the issue, especially for complex repairs.

References & Sources

Community Analytical Insights

Guidance from available sources; statistical claims are shown only for samples of at least 10 discussions

Common Issues Reported by Users

  • Faulty water inlet valve preventing proper water supply
  • Blocked drain pump or hose leading to drainage issues
  • Malfunctioning control board causing communication errors

User Suggested Solutions

  1. Check and replace the water inlet valve. Ensure the valve is receiving power and is not clogged. If necessary, replace it with a compatible part.

  2. Inspect the drain pump and hose for blockages. Clear any debris and ensure the pump is functioning properly. Replace if damaged.

  3. Test the control board for faults. If necessary, replace the control board after confirming it is the issue.

Limited-source guidance; percentages and success-rate claims are not shown
View Sources

Data compiled from real discussions on r/appliancerepair and r/Appliances:

  1. Miele Dishwasher Error Codes F14 and F24

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