Frigidaire Cooktop Error Code H
Hot Surface warning indicating the cooking zone glass is still hot after the zone is turned off and the pan…
Hot Surface warning indicating the cooking zone glass is still hot after the zone is turned off and the pan is removed.
First step from the service manual
Allow the cooking zone to cool; the indicator will disappear once the glass has cooled.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for H.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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What H means on a Frigidaire cooktop
The H indicator on a Frigidaire cooktop is a Hot Surface warning, not a fault code in the traditional sense. It appears on the display of a specific cooking zone after that zone has been turned off and the cookware has been removed. The indicator is driven by residual heat retained in the glass-ceramic cooktop surface. Because glass-ceramic is a poor conductor of heat, the surface can remain dangerously hot for an extended period after the heating element beneath it has been de-energized.
The H indicator is controlled by a temperature-sensing circuit tied to each individual cooking zone. When the glass surface temperature in that zone exceeds a threshold level, the display activates the H warning. The indicator remains illuminated as long as the surface stays above that threshold. This is a safety feature intended to prevent accidental contact burns, particularly in situations where the surface shows no visible glow but is still hot enough to cause injury.
No component failure is involved in a standard H display. It is a normal operational condition that resolves on its own as the glass cools to a safe temperature. The duration of the warning depends on factors such as the heat setting that was used, the duration of the previous cooking session, and ambient kitchen temperature. In a typical scenario, the indicator clears within 10 to 45 minutes after cooking ends.
Source: manufacturer service documentation.
Common causes of H
- 01
Residual heat from normal cooking
Wiring / connectionGlass-ceramic surfaces retain heat long after the element is turned off. This is the most common and expected reason for the H indicator, requiring no action beyond waiting for the surface to cool.
- 02
High heat setting used during cooking
Wiring / connectionCooking at maximum or near-maximum power levels causes the glass to absorb significantly more heat, which extends the time the H indicator remains active. The surface may stay hot for 30 to 45 minutes or longer under these conditions.
- 03
Large or heavy cookware recently removed
Wiring / connectionLarger pans transfer more heat to the glass surface over time. After removing heavy cookware that was used at high heat, the glass retains more thermal energy and the H display will persist longer than usual.
- 04
Warm ambient kitchen temperature
Wiring / connectionAn already warm kitchen environment slows the rate at which the cooktop glass dissipates heat, causing the H indicator to remain on longer than it would in a cooler room.
- 05
Faulty temperature sensor (rare)
Part replacementIf the H indicator remains on for several hours after the cooktop has clearly had time to cool to room temperature, the temperature-sensing circuit for that zone may be malfunctioning and should be inspected by a qualified technician.
Frequently asked questions about H
What does H mean on a Frigidaire cooktop?
How do I fix the H indicator on my Frigidaire cooktop?
Is it safe to use my Frigidaire cooktop when the H indicator is showing?
Will resetting my Frigidaire cooktop clear the H indicator?
How much does it cost to repair a Frigidaire cooktop that shows H constantly?
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