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Error code reference

Kenmore Range Error Code 72

Power supply defect in the Induction Housing Assembly, right side cooking zones.

Kenmore codesKenmore range codes

Power supply defect in the Induction Housing Assembly, right side cooking zones.

First step from the service manual

Test all cables and connections on Large Filter Circuit Board.

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

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What 72 means on a Kenmore range

Error code 72 on a Kenmore induction range indicates a detected power supply defect within the Induction Housing Assembly on the right side of the cooktop. This fault specifically points to an abnormality in the power delivery system serving the right-side cooking zones, which can include irregular voltage, a failure in the filtering circuit, or a breakdown in the connections between the power supply components and the induction coil drivers. The right-side induction housing contains the electronics responsible for converting incoming AC power into the high-frequency signals that energize the induction coils beneath the glass surface.

The Large Filter Circuit Board plays a central role in this subsystem. It conditions the incoming power supply to remove electrical noise and ensure stable, clean power reaches the induction control electronics. When this board or its associated wiring develops a fault, such as a loose connector, a damaged cable, corrosion on terminal pins, or a failed filter component, the system detects an out-of-range power condition and triggers error code 72. Because the fault is isolated to the right side zones, a partial failure in the filter board or a wiring harness break specific to that section is a likely contributor.

Diagnostic work should begin with a thorough inspection of all cables and connections leading to and from the Large Filter Circuit Board. Technicians should check for loose or unseated connectors, heat-damaged insulation, and any visible burn marks or discoloration on the board itself. If the wiring checks out, the board itself may require testing with a multimeter or replacement if components show signs of failure.

Source: manufacturer service documentation.

Common causes of 72

  1. 01

    Loose or Disconnected Cable on the Large Filter Circuit Board

    Wiring / connection

    Vibration and heat cycling over time can loosen connectors at the Large Filter Circuit Board, interrupting stable power delivery to the right-side induction zones. Inspect all harness connectors for secure seating and signs of arcing or corrosion.

  2. 02

    Damaged Wiring Harness to Right-Side Induction Housing

    Part replacement

    Cables routed to the right-side induction housing may have insulation damage from heat exposure or physical wear, causing intermittent or complete power loss. Visually trace all cables from the filter board to the right-side housing and look for melted, pinched, or frayed sections.

  3. 03

    Failed Large Filter Circuit Board

    Part replacement

    The filter board itself may have a failed capacitor, burned trace, or damaged filter component that prevents it from properly conditioning power to the right-side zones. Look for visible burn marks, bulging capacitors, or discoloration on the board surface as indicators.

  4. 04

    Corroded or Oxidized Connector Terminals

    Wiring / connection

    Moisture or heat exposure can cause oxidation on the terminal pins of connectors in the induction housing assembly, increasing resistance and disrupting power delivery. Terminals should be inspected and cleaned, or the connector replaced if oxidation is severe.

  5. 05

    Fault in the Right-Side Induction Housing Assembly

    Part replacement

    If wiring and the filter board test satisfactory, the induction housing assembly on the right side itself may have an internal power supply component failure. This would require replacing the induction housing assembly for that zone.

See the test procedure for each cause

Frequently asked questions about 72

What does 72 mean on a Kenmore range?
Error code 72 on a Kenmore range indicates a power supply defect in the Induction Housing Assembly on the right side of the cooktop. The range has detected an abnormal power condition affecting the right-side cooking zones. Diagnosis begins with testing all cables and connections on the Large Filter Circuit Board, which conditions power to that section of the range.
Can I fix error code 72 on my Kenmore range myself?
Some causes of error code 72, such as a loose cable connector, can be addressed by a knowledgeable DIYer who is comfortable working inside the appliance after disconnecting power. However, diagnosing and replacing components like the Large Filter Circuit Board or the Induction Housing Assembly involves working with high-voltage electronics and is best handled by a qualified appliance technician. Always disconnect the range from power before inspecting any internal components.
Is it safe to use my Kenmore range while error code 72 is displayed?
You should avoid using the right-side induction cooking zones while error code 72 is active, as the fault indicates a power supply defect in that section of the range. Continuing to operate the affected zones with a known power supply fault could potentially worsen component damage. Left-side zones may function normally, but the range should be inspected and repaired promptly.
Will resetting my Kenmore range clear error code 72?
A reset by disconnecting the range from power for several minutes may temporarily clear the display, but error code 72 will return if the underlying power supply defect is not corrected. The fault is hardware-based, involving the wiring, connectors, or circuit board components in the right-side induction system. A lasting repair requires identifying and fixing the root cause rather than relying on a reset.
How much does it cost to repair error code 72 on a Kenmore range?
Repair costs for error code 72 vary depending on the root cause. If only a loose cable connection is found, a service call fee alone may cover the repair, typically in the range of $75 to $150. If the Large Filter Circuit Board or the Induction Housing Assembly requires replacement, parts plus labor costs can range from $200 to $500 or more depending on parts availability and local labor rates.

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