Frigidaire · Washer Serious

E31 — Pressure sensor communication failure

The main control isn't getting valid signal from the analog pressure (water level) sensor. The washer can't safely fill without knowing the level.

Keep using it?
Limited use only
DIY difficulty
Hard
Verified against
frigidaire.com ↗

How to fix it

  1. Unplug the washer for 5 minutes to reset the control.
  2. Open the top panel and locate the pressure sensor (small box on the rear panel).
  3. Reseat both connectors at the sensor and the control board.
  4. Inspect the harness for visible damage.
  5. Substitute a known-good pressure sensor.
  6. If the code persists, replace the main control board.

Why it happens

Typical signs: Won't start a cycle · E31 appears at power-on · Fill behavior erratic

  • Failed pressure sensor Hall-effect sensor in the sensor body has gone open or shorted.
  • Damaged wiring harness Pinched or chafed wires between sensor and control.
  • Loose connector at sensor or board Vibration unseats the plug.
  • Main control board fault Input circuit on the board no longer reads the sensor.

Parts you may need

If diagnosis points to a failed part, these are the common replacements. As an Amazon Associate we earn from qualifying purchases.

  • Frigidaire washer pressure sensor Common replacement
    Amazon →

More Frigidaire washer codes

E10 E10 — Water fill problem E11 E11 — Fill time too long E13 E13 — Water leak or air leak in pressure system E20 E20 — Drain pump won't pump out E21 E21 — Slow drain / water remains in tub E23 E23 — Drain pump relay fault on control board

All Frigidaire codes → All washer codes →

Always unplug an appliance before servicing it. This guide is for informational purposes and is not a substitute for a qualified technician. Verified against manufacturer documentation: frigidaire.com.