GE Profile PES7227SLSS 2.2 cu ft Countertop Sensor Microwave F4 Error Fix: Humidity Sensor Open Circuit

Error code F4 on the GE Profile PES7227SLSS 2.2 cu ft Countertop Sensor Microwave means: Humidity Sensor Open Circuit. The humidity sensor circuit is open — sensor for auto-cook and sensor-cook cannot detect moisture/steam levels; manual cooking still works; sensor mounted in cavity wall

The most successful fix is "Replace the Humidity Sensor Assembly" (medium difficulty, ~45 minutes). Estimated DIY cost: $15-$20. HomeMD has 2 community-ranked fixes for this error.

This error is rated medium severity. It should be addressed soon, but your appliance may still function in a limited capacity.

Yes — the top-ranked community fix ("Replace the Humidity Sensor Assembly") is rated medium difficulty and takes about 45 minutes. Tools needed: T20 Torx screwdriver, Multimeter.

DIY cost: $15-$20. Professional repair typically costs $120-$180. Many homeowners save money by trying the top-ranked community fix first.

The GE Profile PES7227SLSS 2.2 cu ft Countertop Sensor Microwave has 8 other known error codes, including: F1 (Oven Cavity Thermistor Open Circuit), F2 (Oven Cavity Thermistor Shorted), F3 (Shorted Key Panel (Stuck Key)), F6 (Shorted Temperature Probe Circuit), MECH-ARCING (Sparking or Arcing Inside), and 3 more.

Error code F4 also appears on 12 other GE Profile models: PB935YPFS 30 in Slide-In Gas Range 22,000 BTU with True European Convection, PB960YPFS 6.7 cu ft Smart Slide-In Convection Electric, PEB9159SJSS 1.5 cu ft Smart Countertop Convection, PGB935YPFS 6.7 cu ft Smart Slide-In Double Oven Gas, PGBS960YPFS 6.7 cu ft Smart Free-Standing Gas, PGS930SELSS 5.6 cu ft Smart Slide-In Gas Convection, and 6 more. The fix may vary by model, so check each model's specific page for tailored repair steps.