Written by
Maren Coleman Appliance Care EditorPublished October 29, 2026
VERIFIED
Error codeF1E4
ApplianceMicrowave
Whirlpool ties F1E4 to the Appliance Control Board or the associated wiring on over-the-range microwaves. The oven could not execute the function it was asked to run.
Reset sequence
Step
Action
1
Power off for one minute, at the breaker or by unplugging
2
Power back on
3
Monitor the display for one minute
4
Operate the microwave to verify
Repeating the reset again and again will not change the manual’s advice: when F1E4 returns, ask for a technician visit.
Neighbouring entries
F1E1: the relay control board version of the same message.
F2E1: the user interface and keypad again, with a different suffix.
Microwave service across San Francisco
A technician can examine the microwave if the code stays. Reach (415) 687-4102, and keep F1E4, the model number and your attempted steps ready. See Whirlpool microwave repair.
Model compatibility: Whirlpool reuses codes across series and model years, so F1E4 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
F1E4 means the oven could not execute the function; the appliance control board or wiring may be involved.
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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