Hotpoint dishwasher F03 error code
F03 means water drain failure / timeout. The machine could not drain within the expected time — a blockage or a failed drain pump.
Often fixable at home · Fault type: Electrical/hardware
Safe checks, in order of likelihood
- Check the drain pipe and under-sink plumbing for blockages.
- Clean the filter and check the sump for debris.
- Run a drain/rinse cycle to test the pump.
Call a professional when…
If the code returns after these checks, book a qualified engineer.
Parts usually involved
- Drain pump
- Drain hose