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Error code reference

Kenmore Dishwasher Error Code Er

Error code indicating a malfunction in the dishwasher.

Kenmore codesKenmore dishwasher codes

Error code indicating a malfunction in the dishwasher.

First step from the service manual

Contact Electrolux Customer Service Center at 1-800-944-9044.

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

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What Er means on a Kenmore dishwasher

The Er error code on a Kenmore dishwasher is a general malfunction indicator. Unlike more specific fault codes that point directly to a single sensor or component, Er signals that the control board has detected an internal system error that it cannot attribute to one clearly defined subsystem through standard diagnostic routing. This type of code often reflects a communication failure, a control board fault, or a condition the unit's firmware flags as outside of normal operating parameters.

Because this code is broad in scope, it does not isolate a single failed part on its own. The control board may have lost communication with one or more components, experienced a memory or processing fault, or encountered a condition triggered by a power irregularity or wiring issue. In some cases, the error can appear after a power fluctuation that corrupts the control board's operating state without causing permanent hardware damage.

Given the non-specific nature of this code, the recommended first step is to contact the Electrolux Customer Service Center at 1-800-944-9044. Kenmore dishwashers in this product line are manufactured by Electrolux, and their support team can help narrow down the root cause based on the model number and any accompanying symptoms. A technician dispatched through that channel will have access to model-specific diagnostic procedures that go beyond what the general Er code communicates on its own.

Source: manufacturer service documentation.

Common causes of Er

  1. 01

    Control Board Fault

    Part replacement

    The main control board may have experienced a processing error or internal failure, causing it to flag a general malfunction. Signs include unresponsive controls or erratic behavior before the code appeared.

  2. 02

    Power Fluctuation or Surge

    Wiring / connection

    A sudden change in power supply can corrupt the control board's operating state and trigger the Er code without permanently damaging any hardware. A hard reset may clear this condition.

  3. 03

    Wiring or Harness Connection Issue

    Wiring / connection

    Loose, corroded, or damaged wiring connections between the control board and other components can cause communication errors that register as a general fault. Inspect accessible connectors for corrosion or looseness.

  4. 04

    Component Communication Failure

    Part replacement

    If the control board loses its data connection to a motor, sensor, or other electronic component, it may default to the Er code rather than a more specific fault. A technician can use diagnostic tools to identify which component dropped communication.

  5. 05

    Firmware or Memory Error

    Part replacement

    The control board's onboard memory can experience a fault that causes it to enter an error state. This type of issue typically requires professional diagnosis or control board replacement.

See the test procedure for each cause

Frequently asked questions about Er

What does Er mean on a Kenmore dishwasher?
The Er code on a Kenmore dishwasher indicates a general internal malfunction that the unit's control system has flagged but cannot isolate to a specific component through standard diagnostics. It is a broad fault code that requires further investigation. Electrolux customer support at 1-800-944-9044 is the recommended starting point for diagnosis.
Can I fix the Er error code on my Kenmore dishwasher myself?
In some cases, a power-related glitch can trigger the Er code and a hard reset may clear it. To attempt a reset, disconnect power to the dishwasher for several minutes and then restore it. If the code returns, the underlying cause likely requires professional diagnosis since the fault may involve the control board or internal wiring.
Will resetting my Kenmore dishwasher clear the Er error code?
A reset can clear the Er code if the cause was a temporary power fluctuation or a minor control board state error. However, if there is a hardware fault such as a failed component or damaged wiring, the code will return after the reset. A reset is a reasonable first step, but persistent reappearance of the code means a technician should inspect the unit.
Is it safe to use my Kenmore dishwasher when the Er code is displayed?
You should not continue operating the dishwasher while the Er code is active. Because this code signals an unspecified internal malfunction, running a cycle could worsen the underlying problem or produce unexpected results. It is best to leave the unit powered off until the fault has been properly diagnosed.
How much does it cost to repair a Kenmore dishwasher showing the Er error code?
Repair costs for the Er code vary widely depending on the root cause. If a simple reset or wiring fix resolves the issue, costs may be minimal, covering only a service call in the range of $75 to $150. If the control board requires replacement, total repair costs including parts and labor can range from $200 to $450 or more depending on the model and service provider.

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