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Error code reference

Frigidaire Cooktop Error Code E16

Right Rear zone control key sensor defective.

Frigidaire codesFrigidaire cooktop codes

Right Rear zone control key sensor defective.

First step from the service manual

Test cables and connections on main power/right front cook zone touch control.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What E16 means on a Frigidaire cooktop

The E16 error code on a Frigidaire cooktop indicates that the control system has detected a fault in the right rear zone control key sensor. This sensor is part of the capacitive touch control interface embedded in the main control panel. When the cooktop's logic board continuously reads an abnormal signal from the right rear touch key, either an open circuit, a short, or an out-of-range capacitance value, it flags E16 and disables that zone to prevent unintended operation or a safety hazard.

The touch control system relies on precisely calibrated capacitive sensing to detect finger contact. Any disruption to the signal path between the touch surface and the main control board can trigger this fault. Common culprits include damaged ribbon cables connecting the touch panel to the board, corroded or unseated connectors, and physical damage to the touch sensor layer itself. Moisture intrusion from spills is a frequent cause, as liquid beneath the glass can alter capacitance readings and confuse the controller.

The first diagnostic step is to inspect and test the cables and connections associated with the main power supply and the right front cook zone touch control interface. Technicians should check ribbon cable seating, look for pinched or burned wiring, and test connector continuity. If the wiring checks out, the touch control panel assembly or the main control board may need replacement, as the fault could be an internal failure within either component.

Source: manufacturer service documentation.

Common causes of E16

  1. 01

    Loose or damaged ribbon cable connection

    Wiring / connection

    The ribbon cable linking the touch control panel to the main control board can become unseated, pinched, or frayed over time. Inspect the connector at both ends for proper seating and visible damage.

  2. 02

    Moisture or spill contamination under the glass

    Wiring / connection

    Liquid that seeps beneath the cooktop surface can alter the capacitance readings of the touch sensor, causing the controller to read a constant fault signal from the right rear key. Thoroughly drying the panel and cleaning around the touch zone may resolve the issue if the sensor itself is undamaged.

  3. 03

    Defective touch control panel

    Part replacement

    The capacitive touch layer for the right rear zone may have failed internally due to physical damage or component degradation. If cables and connections test correctly, the touch panel assembly is the next likely component to replace.

  4. 04

    Failed or corrupted main control board

    Part replacement

    If the control board's input circuit for the right rear sensor key develops a fault, it will continuously report E16 even when the touch panel and cabling are intact. This is diagnosed after ruling out wiring and panel issues.

  5. 05

    Corroded or oxidized connectors

    Wiring / connection

    Connector pins on the touch control harness can develop corrosion, especially in kitchens with high humidity or frequent steam exposure. Corrosion increases resistance and disrupts the signal, mimicking a sensor defect.

See the test procedure for each cause

Frequently asked questions about E16

What does E16 mean on a Frigidaire cooktop?
E16 indicates that the right rear zone control key sensor has been detected as defective by the cooktop's main control board. The board monitors the capacitive touch sensor for that burner zone and triggers this code when the signal falls outside acceptable parameters. The cooktop disables the affected zone until the fault is corrected. Common sources include loose cable connections, moisture under the glass, or a failed touch panel.
Can I fix the E16 error on my Frigidaire cooktop myself?
Some causes of E16 are accessible to a knowledgeable DIYer. Start by powering down the cooktop and inspecting the ribbon cable and connector between the touch panel and the control board for damage or poor seating. If a spill is suspected, allow the unit to dry completely before restarting. Replacing the touch control panel or main board requires comfort working with appliance electronics and proper safety precautions around high-voltage components.
Is it safe to keep using my cooktop while E16 is displayed?
When E16 is active, the right rear burner zone is typically locked out by the control system, which is a built-in safety response. Other zones may still function, but continued use with an active fault code is not recommended. A defective sensor could potentially cause unintended activation or unresponsive controls, so the issue should be diagnosed and repaired before regular cooking use resumes.
Will resetting the cooktop clear the E16 error code?
A power reset by turning off the circuit breaker for 30 to 60 seconds may temporarily clear the E16 code if the fault was caused by a transient signal glitch or a momentary moisture condition. However, if the underlying cause is a damaged sensor, faulty cable, or failed board, the code will return once power is restored. A reset is a useful first step but is not a permanent fix for a hardware fault.
How much does it cost to repair a Frigidaire cooktop showing E16?
Repair costs depend on which component is at fault. If the issue is a loose connector or dried-out spill requiring no parts, a service call alone may run in the range of $75 to $150. Replacing a touch control panel typically adds $100 to $250 in parts depending on the model, while a main control board replacement can add $150 to $350 or more in parts costs. Labor charges vary by region and service provider.

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