Sharp Water Level / Pressure Switch Fault

Dishwasher shows F5 and may not fill or may overfill depending on failure mode.

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

Blocked pressure hose, Faulty pressure switch, Loose wiring, Sump blockage affecting pressure

Safety first: Disconnect power and close water supply.

Clean sump and filters: Remove debris that may affect water level sensing.
Inspect pressure hose: Access the base and check the small hose from sump to Sharp pressure switch. Clear any blockage.
Check switch connections: Ensure the pressure switch connector is secure. Replace the switch if faulty.

Hard 4/5

Water Level Pressure Switch

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