GE · Microwave Moderate

F5 — Shorted Humidity Sensor

F5 means the humidity (sensor-cook) sensor circuit is shorted.

Keep using it?
Yes, with caution
DIY difficulty
Moderate

How to fix it

  1. Unplug for a minute to reset.
  2. If F5 returns, inspect the wiring and replace the humidity sensor.

Why it happens

Typical signs: Sensor-cook fails · F5 on the display

  • Shorted humidity sensor The sensor has failed shorted.
  • Wiring short A shorted sensor harness.

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.

  • GE Microwave Humidity Sensor Common replacement
    Amazon →

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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: products.geappliances.com.