Written by
Daniel Reeves Appliance Repair Content SpecialistPublished October 20, 2026
Whirlpool®
Code overviewat a glance.
The facts for this Whirlpool error, a plain-language snapshot, and what to confirm against your model number.
F42
Error codeF42
ApplianceCooktop
Content status
Verified
Quick answer
F42 flags the cooktop power control board or its wiring on electric, radiant and induction Whirlpool cooktops.
Model note: Whirlpool reuses codes across series and model years, so F42 may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.
Whirlpool®
What this codemay mean.
A plain-language reading of the code — always confirm against your model’s documentation.
Mean
F42 flags a possible problem with the cooktop power control board or the wiring.
Meaning of F42
The manufacturer help names the power control board of the cooktop, or the wiring connected to it, as the possible trouble spot.
Try first
Breaker off for a minute, breaker on, then watch the cooktop. A persistent code is a matter for a technician, who checks the board and wiring.
See also
F40 (touchpad or board message); F25 (power supply to the cooktop).
Cooktop repair in the Miami, New York, Houston, Los Angeles and San Diego areas
Stop immediately if you notice smoke, sparks, a burning smell, gas odor, or water near electrical parts.
Safe
Important
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.
Whirlpool®
Seeing this codeon your appliance?
Book an Whirlpool appliance service visit for a clear estimate and approval before any repair.
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