Midea Heating Fault

Dishwasher displays F3; water does not heat and cycles may run unusually long.

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Possible Causes

Failed heater element, Faulty NTC sensor, Loose heater wiring, Defective heater relay on PCB

Safety first: Turn off power and allow the unit to cool.

Check wiring: Inspect heater and NTC connections at the base for burns or loose plugs.
Continuity test: With power off, test heater and NTC resistance. Replace any open or shorted components.
PCB issue: If components test good, the control board may need replacement by a technician.

Hard 4/5

Midea Flow-Through Heater Assembly

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