F51 appears; dishwasher may not detect water level correctly and can overfill or underfill.

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 chamber or hose, Defective pressure sensor, Kinked or detached pressure hose

Safety: Unplug the appliance and be prepared for residual water when opening the base.

Locate pressure system: Access the side or base of the dishwasher to find the pressure chamber and sensor.
Clean chamber: Remove the pressure hose and flush the chamber with warm water to clear grease and debris.
Inspect hose: Ensure the hose is not kinked, split, or blocked. Replace if deteriorated.
Replace sensor: If cleaning does not resolve F51, replace the pressure sensor according to the service manual.

Hard 4/5

Water Level Pressure Sensor

Check Price on Amazon

We may earn a commission from links on this page.