KitchenAid Induction Cooktop H: Residual Heat Indicator

What H - Residual Heat means

On KitchenAid induction cooktops such as the KICU509XSS, an H on the display means the cooking zone is hot. The indicator lights even if the zone was never switched on, because it can be warmed by an adjacent zone or by a hot pan that was set down on it. It is a safety marker, not an error, and it goes out as the glass cools.

Common causes of H - Residual Heat

Heat from a pan that was just removed
Heat spreading from an adjacent zone
A hot pan or pot resting on the zone
A residual heat reading that never clears

✓ One safe check you can try

1. Leave the zone alone until the H goes out. 2. Remove hot pans and keep children and pets away. 3. Do not wipe spills near the zone until it has cooled. 4. If H stays lit for hours on cold glass, call us.

! Why to stop there

An H that never clears means the sensing of heat is off.
That sensing is under the glass.
The repair is priced in writing first and covered for 30 days.

Opening a panel yourself does not automatically cancel a manufacturer warranty, but it can cause accidental damage, and some manufacturers set their own service conditions. Check your warranty terms, or ask us, before deciding.

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Other Cooktop codes

FC E0KitchenAid Induction Cooktop Code FC E0: supply, wiring or the induction module FC E1KitchenAid Induction Cooktop Code FC E1: touchpad or the cable behind it FC E4KitchenAid Induction Cooktop Code FC E4: the harness between touchpad and induction module FC LFKitchenAid Induction Cooktop Code FC LF: left front zone, its coil or its wiring FC LRKitchenAid Induction Cooktop Code FC LR: a left-side zone that will not heat FC RFKitchenAid Smoothtop Cooktop Code FC RF: right front area, element or wiring FC RRKitchenAid Induction Cooktop Code FC RR: the right rear zone does not respond Indicator or Display FlashingKitchenAid Induction Cooktop Flashing Display: Keys Held Down

H - Residual HeatH - Residual Heat questions

Why does H light up on a zone I never turned on?

Induction heats the pan, but a hot pan warms the glass under it, and heat spreads sideways to neighboring zones. The H warns you that the glass is hot even if that zone is off.

How long until H disappears?

It depends on how hot the pan was and how long it sat there. Usually the marker goes out within a short time after the glass reaches a safe temperature.

Can I cook while H is showing on another zone?

Yes. The H only applies to the zone showing it. Just avoid touching the glass there and do not place plastic or cloth on it.