Indesit dishwasher F15 error code
F15 means heating fault. The dishwasher could not heat the water — heater, thermistor or wiring fault..
Engineer usually needed · Fault type: Electrical/hardware
Safe checks, in order of likelihood
- Run the hottest program and check whether the fault repeats.
- Power-cycle for 10 minutes.
- Check the machine is on its own socket; heaters draw a lot of current.
Call a professional when…
Heater element or thermistor replaced. If the code returns after these checks, book a qualified engineer.
Parts usually involved
- Indesit dishwasher heater element / thermistor.