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492, 504, 541

Fault 492, 504, 541 - Problem starting program, water may be in wash cabinet

Miele · Commercial Dishwashers

What does 492, 504, 541 mean?

The dishwasher encounters a fault when trying to start a program. This can occur if there is residual water inside the wash cabinet, indicating a previous drainage issue.

Common Causes

  • The filter combination in the wash cabinet is clogged.
  • The non-return valve is dirty or blocked.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Turn off the dishwasher using the On/Off button.

  2. 2

    Clean the filter combination in the wash cabinet according to the cleaning and care instructions.

  3. 3

    Clean the non-return valve as detailed in the frequently asked questions section of the manual.

Browse all codes in this manual (17)
Verified technical data. Last updated: April 2026

Related Faults

403-405Fault 403-405 - Water intake problem, program cancelled406-408Fault 406-408 - Water inlet flow pressure too low412-414Fault 412-414 - Water inlet flow pressure too high
Source: Miele Commercial Dishwashers
Open Manual (Page 98)Search more codes in this manual