Fisher & Paykel · Dishwasher error code

F3Water temperature fault

Cross-checked Power off, standard tools

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OnCall Tech is a reference tool for trained technicians and can make mistakes. Always disconnect power and confirm with the manufacturer's documentation before you work.

Related diagnostic guides

Guide · Dishwasher

Dishwasher cycle runs too long or stalls

Most long cycles are the control waiting for heat (cool supply, bad heater or thermistor) or a soil sensor reading dirty water. Check water temperature, then clean the turbidity sensor, then test thermistor and heater.

5 steps ~45 minmoderate

Guide · Dishwasher

Dishwasher not cleaning well

Poor cleaning is usually low water temperature, a clogged filter, blocked spray-arm holes, or loading that blocks the arms. Check those before parts like the wash motor or heater.

4 steps ~30 mineasy