Miele Dishwasher F407 / F408 error
F407 / F408 is identified by Miele's official manual as water-inlet fault caused by flow pressure that is too low. Follow the exact model-scoped checks and safety boundary below.
Reference source listed as Miele official commercial dishwasher operating instructions PFD 402-407.
Open official source ↗water-inlet fault caused by flow pressure that is too low
Isolate the appliance when safe. Do not open the dishwasher. Have the water connection and flow pressure checked against the manual's technical data, then contact Miele Customer Service for advice. Do not open fixed panels or test live circuits.
Typical symptoms
Likely causes
Start with the least invasive explanation and stop if the check requires internal electrical or sealed-system access.
Safe next steps
- 1Record the complete F407 / F408 display and the full Miele dishwasher model
- 2Confirm that the displayed code matches the linked official Miele source
- 3Do not open the dishwasher. Have the water connection and flow pressure checked against the manual's technical data, then contact Miele Customer Service for advice.
- 4Stop and arrange model-specific service if F407 / F408 returns
Step-by-step repair
- 1Do not open the dishwasher. Have the water connection and flow pressure checked against the manual's technical data, then contact Miele Customer Service for advice. No internal component replacement is verified from F407 / F408 alone.
Repair details
The published checks normally need no replacement part. Internal repair cost is model- and region-specific; obtain a written Miele service quote after diagnosis.
External checks take about 5–30 minutes; professional diagnosis and repair time depend on the exact model.
Exact Miele model number and official manual, No internal electrical test tool is permitted
No replacement part is confirmed by F407 / F408 alone. Confirm the exact model, failed component, and manufacturer part number before ordering.
What not to do
- Do not open fixed panels, test live electrical or sealed-system parts, bypass safety devices, or order a component solely from F407 / F408.
Preventive maintenance
- 1Keep user-accessible filters, spray arms, seals, water connections, and the drain path maintained according to the exact model manual.
Frequently asked questions
What does F407 / F408 mean?
Miele identifies it as water-inlet fault caused by flow pressure that is too low.
Can I replace a part from the code alone?
No. Confirm the exact model and manufacturer diagnosis first.
Did this fix your appliance?
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