Miele dishwasher F84 error code
F84 means circulation pump fault. The circulation pump did not reach its operating position or speed — pump or electronics fault..
Often fixable at home · Fault type: Electrical/hardware
Safe checks, in order of likelihood
- Clean the filter and check the sump for debris that can jam the pump.
- Power-cycle for 10 minutes and retry a program.
- If F84 returns, the pump or its electronics need an engineer.
Call a professional when…
Clear the sump; then the circulation pump or board is replaced. If the code returns after these checks, book a qualified engineer.
Parts usually involved
- Miele circulation pump.