Electrolux Washer Error Code 31

Error code 31 on an Electrolux washer indicates an electronic pressure switch error. The pressure switch is the sensor that monitors the water level inside the drum and reports that information to the main control board. When the board detects an invalid or missing signal from this sensor, it displays code 31 and stops the cycle. The problem is most often traced to a wiring issue between the sensor and the control board.

It is not recommended to continue using the washer while error code 31 is active. Without a reliable water level reading, the control board cannot properly regulate filling, which could lead to overfilling or damage to the pump from running dry. The washer will generally halt the cycle when this code appears, and the underlying issue should be diagnosed before running additional loads.

A reset may temporarily clear the error code display, but it will not resolve the underlying fault in the pressure switch circuit. If the wiring connection, sensor, or hose issue is still present, the code will return once the washer attempts to run a cycle and the control board cannot read a valid pressure sensor signal. A proper diagnosis and repair of the faulty component is necessary for a lasting fix.

Some causes of error code 31 can be addressed without professional help. Start by checking that the wiring harness connectors between the pressure sensor and the main control board are fully seated and free of corrosion. Also inspect the small air hose connected to the pressure sensor for kinks or blockages. If the wiring and hose appear fine but the error persists, replacing the pressure sensor or control board typically requires a technician.

Repair costs depend on the root cause. If only the wiring or a connector needs attention, costs may be minimal, mostly covering a service call in the range of $75 to $150. A replacement pressure sensor typically adds $20 to $60 in parts. If the main control board is the culprit, parts alone can range from $100 to $300 or more, with total repair costs potentially reaching $200 to $450 including labor.