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Error code reference

Frigidaire Cooktop Error Code E93

5V overcurrent on the switched 5V on the service section (2 zones induction module).

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5V overcurrent on the switched 5V on the service section (2 zones induction module).

First step from the service manual

Test all cables and connections on filter circuit board in the 2 zones induction module.

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

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What E93 means on a Frigidaire cooktop

The E93 error code on a Frigidaire induction cooktop indicates an overcurrent condition on the switched 5V power rail within the 2-zone induction module. This 5V line supplies control logic and low-voltage circuitry in the service section of that module. When the current draw on this rail exceeds the acceptable threshold, the control system detects the fault and shuts down to prevent damage to downstream components. The overcurrent condition can be caused by a short circuit, a failing component drawing excessive current, or a wiring fault that creates an unintended current path.

The filter circuit board within the 2-zone induction module plays a central role in regulating and distributing this switched 5V supply. Damaged capacitors, shorted traces, or compromised connectors on this board are common sources of overcurrent faults. Because the 5V rail powers sensitive logic circuits, even a marginal short can trigger the protection threshold and generate the E93 code.

Diagnosis begins with a thorough inspection of all cables and connectors feeding the filter circuit board in the 2-zone induction module. Technicians should look for pinched or chafed wiring, loose connector pins, and signs of heat damage or arcing on the board itself. Resistance checks across the 5V rail with the module de-energized can help locate a low-resistance fault path indicating a short to ground.

Source: manufacturer service documentation.

Common causes of E93

  1. 01

    Faulty or shorted filter circuit board

    Part replacement

    A short circuit or failed component on the filter circuit board in the 2-zone induction module can cause excessive current draw on the 5V rail. Look for burnt traces, bulging capacitors, or visible damage on the board surface.

  2. 02

    Damaged wiring or connector short

    Wiring / connection

    Pinched, chafed, or heat-damaged wiring in the 2-zone module can create a short that pulls the 5V line into overcurrent. Inspect all harness connections and cable routing for physical damage or melted insulation.

  3. 03

    Loose or corroded connector pins

    Wiring / connection

    Poor contact at a connector on the filter circuit board can cause intermittent resistance faults that the control system interprets as overcurrent. Check each connector for corrosion, pushed-back pins, or poor seating.

  4. 04

    Failed component in the 2-zone induction module

    Part replacement

    A component within the induction module itself, such as a shorted gate driver or control IC, can load down the 5V supply beyond its rated current limit. This typically requires module-level diagnosis with power applied.

  5. 05

    Contamination or moisture on the circuit board

    Part replacement

    Spilled liquids or condensation that reach the filter circuit board can create leakage current paths that trigger an overcurrent condition. Examine the board for residue, staining, or moisture damage.

See the test procedure for each cause

Frequently asked questions about E93

What does E93 mean on a Frigidaire cooktop?
E93 indicates a 5V overcurrent fault on the switched 5V power rail within the 2-zone induction module of the cooktop. The control system detected that current on this low-voltage supply line exceeded its safe operating threshold. The cooktop shuts down to protect internal components when this condition occurs. The fault is centered in the service section of the 2-zone induction module, specifically around the filter circuit board.
Can I fix an E93 error myself, or do I need a technician?
Some causes of E93, such as a loose connector or a visibly damaged wire, can be identified and corrected by a knowledgeable DIYer comfortable working inside appliances. However, diagnosing a shorted circuit board or failed component on the induction module requires electrical test equipment and familiarity with high-voltage induction cooktop circuitry. Because induction cooktops retain high voltages in capacitors even after being unplugged, a qualified appliance technician is recommended for internal board-level repairs.
Is it safe to use my Frigidaire cooktop while the E93 code is showing?
No, you should not continue using the cooktop while E93 is active. The error indicates an electrical fault in the induction module, and the cooktop has disabled itself as a safety measure. Operating the unit in this condition could worsen the fault, damage additional components, or create a safety hazard. Keep the cooktop off until the fault is diagnosed and repaired.
Will resetting the cooktop clear the E93 error?
Resetting the cooktop by cycling the power may temporarily clear the error display, but it will not resolve the underlying fault. If the overcurrent condition still exists on the 5V rail, the E93 code will return as soon as the cooktop attempts normal operation. A reset is useful for confirming whether the fault is intermittent, but it is not a repair. The filter circuit board and associated wiring must be inspected and the root cause corrected.
How much does it cost to repair an E93 error on a Frigidaire induction cooktop?
Repair costs depend on the root cause identified during diagnosis. If the issue is a loose or damaged connector, repair costs may be limited to a service call fee, typically in the range of $75 to $150. If the filter circuit board or induction module requires replacement, parts and labor combined can range from $200 to $500 or more depending on the specific model and parts availability. Getting a diagnostic estimate before authorizing repairs is advisable.

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