F4E9 concerns the Smart Pop control, not a thermistor.
Booking microwave repair in the Bay Area
For a Whirlpool microwave in San Francisco, the team behind Whirlpool microwave repair answers at (415) 687-4102. Mention F3T2, your model number and whether the power reset made any difference.
Model compatibility: Whirlpool reuses codes across series and model years, so F3T2 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Plain language
What this code means
F3T2 means the Convection Thermistor or its wiring may be at fault.
Important safety warning. Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.
Seeing this code on your Whirlpool appliance?
Book a specialist visit for a clear estimate and approval before any repair.
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You submit a request with your appliance model and symptom, we confirm an appointment window, and a technician performs an on-site diagnosis. You then receive a clear estimate and decide whether to proceed before any repair begins.
Yes. We provide an upfront estimate after diagnosis. No parts are ordered or installed until you approve the work, so there are no surprise charges.
Replacement parts are selected for the exact model and confirmed with you before ordering or installation.
Service areas are listed on the Locations page. Contact us with your ZIP code to confirm current coverage for your address.
Ready to get your Whirlpool appliance working again?
Book a repair online or call us — clear estimates and approval before any repair work begins.
