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Error code reference

Electrolux Range Error Code E73

Power supply defect

Electrolux codesElectrolux range codes

Power supply defect - right side cooking zones.

First step from the service manual

Test all cables and connections on filter board.

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

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What E73 means on a Electrolux range

The E73 error code on an Electrolux range indicates a power supply defect specifically affecting the right side cooking zones. This fault points to a problem within the power delivery circuit that feeds the right-side heating elements, and the filter board is the central component under investigation. The filter board serves as an intermediary electrical component that conditions and distributes power from the main supply to the individual cooking zones. When the control system detects an anomaly in the voltage or current reaching the right side zones, it triggers this fault code to alert the technician to a breakdown in that supply path.

The most logical starting point for diagnosis is a thorough inspection of all cables and connections on the filter board, as loose, corroded, or damaged wiring is a frequent source of intermittent or complete power delivery failures. Connectors that have experienced heat stress over time can develop high-resistance contacts that disrupt proper voltage flow to the cooking zones. Beyond wiring, the filter board itself may have failed internally due to component fatigue, overheating, or a surge event, which would require replacement of the board to restore normal operation.

Because this fault is isolated to the right side cooking zones, technicians should perform a systematic check that confirms whether both right-side elements are non-functional or only one. This helps determine whether the fault is upstream at the filter board or possibly in a branch circuit closer to one specific element. Voltage testing at the filter board output connectors will reveal whether the board is supplying correct power downstream or whether the supply issue originates further upstream in the main power input circuit.

Source: manufacturer service documentation.

Common causes of E73

  1. 01

    Loose or corroded wiring connections on the filter board

    Wiring / connection

    Heat cycling over time can cause connectors to loosen or corrode, creating high resistance or open circuits in the power supply path to the right-side zones. Inspecting and reseating all connections on the filter board is the recommended first step.

  2. 02

    Failed or damaged filter board

    Part replacement

    The filter board itself may have suffered internal component failure due to overheating, power surges, or prolonged wear. If voltage testing shows no proper output from the board despite good input power, the board will need to be replaced.

  3. 03

    Damaged wiring harness to right-side cooking zones

    Part replacement

    The wiring harness running from the filter board to the right-side heating elements can become damaged from heat exposure or physical wear, causing an open or short circuit. Visual inspection along the harness routing should identify any burned, melted, or severed wires.

  4. 04

    Upstream power supply issue

    Wiring / connection

    If the main power input to the filter board is not delivering correct voltage, the board cannot supply the right-side zones properly. This can result from a tripped breaker leg, a faulty terminal block, or a degraded power cord connection.

  5. 05

    Faulty right-side heating element

    Part replacement

    A shorted heating element on the right side can pull excessive current and cause the control system to register a power supply fault in that zone. Testing element resistance can confirm whether the element has failed and is loading down the supply circuit.

See the test procedure for each cause

Frequently asked questions about E73

What does E73 mean on a Electrolux range?
E73 on an Electrolux range indicates a power supply defect affecting the right side cooking zones. The control system has detected that proper power is not reaching those zones. Diagnosis begins with checking all cables and connections on the filter board, which distributes power to the cooking elements.
Can I fix the E73 error myself?
A knowledgeable DIYer can start by checking for tripped circuit breakers and visually inspecting accessible wiring connections. However, testing voltage at the filter board and replacing internal components involves working with high-voltage circuits, which carries serious safety risks. It is strongly recommended that internal electrical diagnosis and repairs be performed by a qualified appliance technician.
Is it safe to use my Electrolux range while the E73 code is displayed?
You should avoid using the right-side cooking zones while this error is active, as the power supply to those zones is compromised and unpredictable operation could occur. Continued use with a known electrical fault may worsen the underlying problem or create additional damage. Disconnect the range from power if you are concerned about safety until the fault is diagnosed and repaired.
Will resetting the range clear the E73 error code?
Resetting the range by cutting power at the breaker for a few minutes may temporarily clear the E73 code, but it will return if the underlying power supply defect is not corrected. A reset does not repair loose connections, a faulty filter board, or damaged wiring. The root cause must be identified and addressed for the error to clear permanently.
How much does it cost to repair an E73 error on an Electrolux range?
Repair costs vary depending on the cause. If the fix involves reseating connections, the cost may be limited to a service call fee, typically in the range of $75 to $150. If the filter board requires replacement, parts and labor combined can range from $200 to $450 or more depending on the specific model and local labor rates. Wiring harness replacement falls in a similar range depending on the extent of the damage.

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