Hotpoint Oven F3 Error Code: Causes and Fixes

Editorially reviewedUpdated 2026-02-20

Quick answer: Sensor open circuit

What you’ll notice

Oven will not heat or displays F3; temperature sensor circuit is open.

Hotpoint Oven Code F3 low severity
Hotpoint models: Hotpoint ovens share the GE platform. Temperature probe at the rear cavity wall. Diagnostic mode access is the same as GE (hold Bake + Broil Hi for 5 seconds).

Common causes

  • RTD temperature probe wire broken internally
  • Probe connector disconnected at the control board
  • Probe physically damaged from a spillover

Step-by-step fix

  1. Locate the temperature probe (a thin metal sensor at the back interior of the oven cavity).
  2. Test resistance at the probe's connector — open circuit (infinite resistance) confirms a broken probe.
  3. Inspect the wire run from the probe to the control board for damage.
  4. Replace the probe — it is typically a straightforward DIY part.

Tools you may need

MultimeterScrewdriver set

Prevention

  • Do not place foil directly over the oven floor — it can trap heat and damage the probe wire.
  • Replace the probe if it shows any physical damage after a spillover.

When to stop DIY

If the probe tests good, the harness or control board has the fault.

FAQ

What does F3 mean on Hotpoint oven?

F3 usually indicates: Sensor open circuit.

Can I keep using the appliance with F3?

Use caution. Severity is low. If the probe tests good, the harness or control board has the fault.

How long does this fix usually take?

Typical first-pass troubleshooting takes 20–30 minutes.