Whirlpool®
Code overview at a glance.
The facts for this Whirlpool error, a plain-language snapshot, and what to confirm against your model number.
ACU (control fault) is the listed potential cause of F1E1.
Model note: Whirlpool reuses codes across series and model years, so F1E1 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.