Frigidaire Cooktop Error Code E8

E8 indicates that the left rear zone control key sensor has been detected as defective by the cooktop's control system. The capacitive touch sensor responsible for detecting input at the left rear burner zone is either reading an invalid signal or has failed entirely. The cooktop displays this code and restricts operation to prevent unintended burner activation. Resolving the error typically requires replacing the left side cook zones touch control assembly.

A power reset by turning off the circuit breaker for 30 to 60 seconds may temporarily clear the E8 code if the fault was caused by a momentary issue such as surface contamination or a minor voltage fluctuation. However, if the touch control sensor has physically failed, the error will return after the reset. Persistent E8 faults after a reset confirm that the touch control assembly needs to be replaced.

The cost depends on whether you perform the repair yourself or hire a technician. The left side cook zones touch control board part cost typically ranges from around 80 to 200 dollars depending on the specific cooktop model. If you hire a professional appliance repair technician, labor charges will add to that cost, bringing the total repair estimate to a range of roughly 150 to 350 dollars or more depending on your location and service rates.

Basic troubleshooting steps such as cleaning the glass surface above the left rear zone key and performing a power reset can be done without technical expertise. However, if those steps do not clear the error, replacing the left side touch control board is required. This repair involves disassembling the cooktop and disconnecting electrical components, so it is best suited for technicians or experienced DIYers comfortable working with appliance electronics.

The cooktop's control system flags E8 specifically to prevent unreliable operation of the left rear zone. Continuing to use the cooktop while this fault is active is not recommended, as the sensor defect could cause unpredictable behavior in that zone. It is best to avoid using the appliance until the fault is diagnosed and the defective touch control component is replaced.