GE · Microwave Moderate

F2 — Shorted Thermal Sensor

F2 means the cavity thermal sensor circuit is shorted.

Keep using it?
Yes, with caution
DIY difficulty
Moderate
Verified against
products.geappliances.com ↗

How to fix it

  1. Unplug for a minute to reset.
  2. If F2 returns, inspect the sensor wiring and test/replace the thermal sensor.

Why it happens

Typical signs: Microwave will not run · F2 on the display

  • Shorted thermal sensor The sensor has failed shorted.
  • Wiring short A pinched or 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 Thermal Sensor Common replacement
    Amazon →

More GE microwave codes

DOOR DOOR — Door not fully closed / open too long F1 F1 — Open Thermal Sensor (Overheating) F10 F10 — Shorted Touch Screen F11 F11 — Shorted Touchpad / Keypad F3 -E0 F3 — Shorted Touch Panel F3 F3 — Shorted Touch Pad

All GE codes → All microwave codes →

Frequently asked questions

What does the F2 code mean on a GE microwave?

F2 means the cavity thermal sensor circuit is shorted.

What causes the F2 code on a GE microwave?

Shorted thermal sensor: The sensor has failed shorted. Wiring short: A pinched or shorted sensor harness.

Is it safe to keep using a GE microwave with a F2 error?

Yes, with caution. This is rated a moderate-severity fault.

How do I fix F2 on a GE microwave?

Unplug for a minute to reset. If F2 returns, inspect the sensor wiring and test/replace the thermal sensor.

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.