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Miele·Dishwasherhigh severity
Miele Error Code F52
Drain pump fault
Common Causes
- 1Drain pump motor failure
- 2Impeller damage
- 3Electrical fault
Miele drain pumps are not user-serviceable. Incorrect installation can cause leaks into the base tray, triggering the Waterproof System and locking the machine.
Step-by-Step Troubleshooting
- 1
Check drain pump impeller for broken blades or foreign objects
- 2
Measure drain pump motor windings (should show continuity, not open/short)
- 3
Verify voltage reaching the pump during drain phase
- 4
Check the pump capacitor (on AC motor types)
- 5
Inspect pump housing seal for leaks causing motor damage
Pro Diagnostic Tip
Miele drain pumps are typically synchronous AC motors. If the pump hums but does not turn, the rotor magnet may be cracked — replacement is required, not repair.
You Might Also Notice
- •Buzzing noise but no draining
- •Water remains in sump after cycle
- •F11 error following F52
Parts, Cost & Difficulty
Repair Difficulty
Hard — Advanced Skills RequiredEstimated Repair Cost
$300–$550
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Miele drain pump assemblyPump seal gasketCapacitor (AC motor models)
Do You Have the Right Tools?
Bearing puller set ($120), drum spider wrench ($85), multimeter ($85), and diagnostic software. Our technician arrives with $15K+ in professional tools — your diagnostic is free.
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Safety First — Know the Risks
High-voltage components and pressurized water lines create flood and shock risk. A single loose fitting can cause thousands in water damage. Our techs are licensed and insured — let them handle the risk.
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Get Professional Help Now
Error code F52 is a high-severity issue that can cause further damage to your dishwasher if left unresolved. A licensed technician can diagnose and fix it the same day.
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Frequently Asked Questions
What does Miele error code F52 mean?
Miele error code F52 indicates: Drain pump fault. This is a high-severity issue affecting your dishwasher.
How do I fix Miele error code F52?
Check drain pump impeller for broken blades or foreign objects Then, Measure drain pump motor windings (should show continuity, not open/short) Then, Verify voltage reaching the pump during drain phase There are 2 more steps — see the full troubleshooting guide above. This repair typically requires professional tools and expertise.
How do I know if my dishwasher has error F52?
Besides the error code on the display, common signs include: Buzzing noise but no draining; Water remains in sump after cycle; F11 error following F52. If you notice any of these symptoms, check your dishwasher's display panel for error code F52.
How much does it cost to fix Miele F52?
Repair costs for Miele F52 typically range from $300 to $550 depending on the specific cause and parts needed. EasyBear offers free diagnosis when you proceed with the repair. Call (415) 795-7300 for a same-day appointment.