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Miele·Dishwashermedium severity
Miele Error Code F51
Spray arm or water distribution issue
Common Causes
- 1Spray arm blockage
- 2Spray arm bearing worn
- 3Water pressure issue
Miele spray arm bearings are precision-fit. Do not use silicone lubricant as it degrades the bearing material over time.
Step-by-Step Troubleshooting
- 1
Remove all spray arms and clean jet holes with a toothpick
- 2
Check spray arm bearings for play or roughness
- 3
Verify spray arms spin freely when reassembled
- 4
Check the alternating valve (routes water between upper and lower arms)
- 5
On PowerWash models, test the PowerWash pump for proper pressure boost
Pro Diagnostic Tip
Miele uses an alternating valve to switch water flow between spray arms. If only upper OR lower dishes are clean, the alternating valve is likely stuck rather than the arms themselves being blocked.
You Might Also Notice
- •Dishes not clean on one rack only
- •Spray arms not spinning
- •Unusual noise during wash cycle
Parts, Cost & Difficulty
Repair Difficulty
Moderate — Some Experience NeededEstimated Repair Cost
$200–$450
Parts + labor. Free diagnosis with repair.
Parts That May Need Replacement
Spray arm bearing setAlternating valveSpray arm assembly (if cracked)
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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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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Don't let error code F51 disrupt your day. A professional diagnosis takes about 30 minutes — and it's free when you proceed with the repair.
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Frequently Asked Questions
What does Miele error code F51 mean?
Miele error code F51 indicates: Spray arm or water distribution issue. This is a medium-severity issue affecting your dishwasher.
How do I fix Miele error code F51?
Remove all spray arms and clean jet holes with a toothpick Then, Check spray arm bearings for play or roughness Then, Verify spray arms spin freely when reassembled 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 F51?
Besides the error code on the display, common signs include: Dishes not clean on one rack only; Spray arms not spinning; Unusual noise during wash cycle. If you notice any of these symptoms, check your dishwasher's display panel for error code F51.
How much does it cost to fix Miele F51?
Repair costs for Miele F51 typically range from $200 to $450 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.