Miele Dishwasher Error F78
⚡ Quick Answer: The Miele Dishwasher error F78 indicates a malfunction with the circulation pump, which may be blocked or stuck, causing water not to circulate proper... ❌ Professional Repair Recommended
What Does Error F78 Mean?
The Miele Dishwasher error F78 indicates a malfunction with the circulation pump, which may be blocked or stuck, causing water not to circulate properly through the spray arms. This error typically results in the dishwasher stopping shortly after starting and displaying the F78 code on the control panel. If you hear unusual noises from the pump or notice no water movement, it is likely linked to this issue.
Common Symptoms:
- Dishwasher stops shortly after starting or during wash cycle.
- Error F78 is displayed on the panel.
- Dishwasher fails to circulate water through spray arms.
Possible Causes
- Circulation pump blockage or sticking due to dry/inactivity (high)
- (medium)
How to Fix Error F78
- Inspect the Drain Filter: Remove the lower spray arm and take out the drain filter. Check for debris or blockages that could hinder water flow.
- Check the Drain Pump for Blockages: Access the drain pump by removing the cover. Inspect for any foreign objects or clogs that may be obstructing the pump.
- Test the Drain Pump Motor: Using a multimeter, check the resistance of the drain pump motor. If it reads zero or infinite resistance, the motor is likely faulty.
- Examine the Control Board Connections: Inspect the wiring and connections to the control board for any signs of damage or corrosion that could affect pump operation.
- Reassemble and Test the Dishwasher: Once repairs are complete, reassemble the dishwasher and run a short cycle to check if the error persists.
- After performing basic user-level unblocking steps if error persists.
- If unusual noises from pump or no pump movement when running.
- If you are unable to safely access internal components.
Next step
Choose the next step for F78
Confirm the diagnosis before ordering. An error code can identify the system involved, but it does not prove that a specific part has failed.
Most relevant component to inspect
Drain Pump
Pumps waste water out of the appliance during the drain cycle.
- Typical part-only price
- $35 - $80
- 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.
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.
Dishwasher Circulation Pump
Circulates pressurized water through the dishwasher spray arms during the wash cycle.
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.
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.
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.
Braided Dishwasher Inlet Hose
For replacement of an externally damaged supply hose. Verify connection size, length, and appliance installation requirements before ordering.
Affiliate disclosure: As an Amazon Associate I earn from qualifying purchases. Recommendations are based on routine-care relevance, not commission rate.
Technical Specifications
| note | The previous model-independent part specification was removed. Verify the full model number and diagnosis in the manufacturer's official parts catalog before ordering. |
|---|---|
| part_number | None |
Common Questions
What does F78 error mean on Miele Dishwasher?
F78 indicates a circulation pump malfunction, often causing the dishwasher to stop and not drain.
Can I fix Miele Dishwasher F78 error myself?
No DIY actions are available for F78; calling a technician is recommended.
How much does it cost to fix F78 error?
Repair costs vary by model and region; consult local technicians for estimates.
When should I call a technician for F78?
Call a technician if the error persists after basic unblocking or if you cannot access internal components safely.
Sources & References
- Miele Dishwasher Fault F78 (USA Support) (official)
- Miele Dishwasher Fault F78 (Hong Kong Support) (official)
- MD Appliance LLC – How to Fix Miele Dishwasher F78 Error (community)
Data last verified: 2026-07-31
User Comments (0)
Share your experience or solution below.
Please login to post a comment.
Be the first to comment!