Amana · Oven Serious

F4 — shorted oven sensor (legacy code)

On older Amana ranges (pre-Whirlpool platform), F4 indicates a shorted oven temperature sensor. The control disables heat to protect the cavity.

Keep using it?
Limited use only
DIY difficulty
Moderate
Verified against
amana.com ↗

How to fix it

  1. Power off at the breaker.
  2. Access the sensor at the top rear of oven cavity; unplug it.
  3. Measure resistance — should be ~1080 ohms at 75F.
  4. Inspect harness for shorts to ground.
  5. Replace sensor; if good, replace control board.

Why it happens

Typical signs: F4 in display · Oven won't heat · Display may show wildly high temperature · Bake/broil canceled

  • Shorted oven temperature sensor Internal short — should read ~1080 ohms at room temp; <900 indicates failure.
  • Pinched sensor harness shorted to chassis Wire chafed against sheet metal.
  • Failed control board Input circuit failure.

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.

  • Amana oven temperature sensor Common replacement
    Amazon →

More Amana oven codes

All Amana codes → All oven 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: amana.com.