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Error code reference

Electrolux Dryer Error Code AL 97

There is a disruption in internal communication between electronic elements of the unit.

Electrolux codesElectrolux dryer codes

There is a disruption in internal communication between electronic elements of the unit.

First step from the service manual

Reset the appliance by either turning the knob to the reset position (12 o'clock position) or powering off the unit and back on.

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

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What AL 97 means on a Electrolux dryer

AL 97 on an Electrolux dryer indicates a disruption in internal communication between the electronic control components within the unit. Modern Electrolux dryers use a network of electronic boards and modules that must continuously exchange data to coordinate functions like motor control, heating, sensor readings, and cycle timing. When this communication pathway breaks down or transmits corrupted signals, the control system logs AL 97 and may halt operation to prevent unsafe or erratic behavior.

The most common triggers for this fault are temporary voltage fluctuations, power interruptions during a cycle, or transient electrical noise that corrupts the communication bus between control boards. These conditions can cause the modules to fall out of sync without any permanent hardware damage, which is why a simple reset resolves the fault in many cases. If the error returns immediately or repeatedly after resetting, a deeper hardware issue is likely involved.

Persistent AL 97 faults point to problems such as damaged wiring harnesses between control boards, loose or corroded connectors on the communication circuit, or a failing main control board. Physical inspection of the wiring and connector pins between the electronic modules is an important diagnostic step when the reset does not hold. Component failure within one of the boards, preventing it from sending or receiving data correctly, may also be responsible.

Source: manufacturer service documentation.

Common causes of AL 97

  1. 01

    Temporary power disruption or voltage fluctuation

    Wiring / connection

    A brief power surge, brownout, or interruption during a cycle can knock the control modules out of sync and trigger AL 97. Performing a reset typically resolves this with no further action needed.

  2. 02

    Loose or corroded wiring harness connectors

    Wiring / connection

    Connectors linking the electronic control boards can loosen over time or develop corrosion, interrupting the communication signal. Inspect connector pins between boards for signs of looseness, oxidation, or heat damage.

  3. 03

    Damaged communication wiring between control boards

    Part replacement

    Wiring routed near heat sources or moving parts can develop shorts, breaks, or insulation damage that disrupt data signals between modules. A visual inspection and continuity check of the harness wires is recommended.

  4. 04

    Faulty main control board

    Part replacement

    If one of the electronic boards has internally failed, it may be unable to send or receive communication signals correctly, causing a persistent AL 97 fault. This is suspected when the error returns immediately after reset and no wiring faults are found.

  5. 05

    Secondary control module failure

    Part replacement

    Electrolux dryers may use more than one electronic module, and a failure in any secondary board involved in the communication network can produce this fault code. Testing or replacing the secondary module may be necessary if the main board checks out.

See the test procedure for each cause

Frequently asked questions about AL 97

What does AL 97 mean on a Electrolux dryer?
AL 97 indicates a disruption in internal communication between the electronic components of your Electrolux dryer. The control boards and modules in the unit exchange data continuously, and when that communication breaks down, the dryer logs this fault. It can result from a temporary power issue or a more serious hardware problem such as a wiring fault or failing control board.
Will resetting my Electrolux dryer clear the AL 97 error?
A reset will often clear AL 97 if it was caused by a temporary power fluctuation or communication glitch. You can reset the dryer by turning the cycle knob to the 12 o'clock position or by powering the unit off and back on. If the error returns after resetting, a physical wiring or component issue is likely present and should be inspected.
How do I fix AL 97 on my Electrolux dryer?
Start by resetting the dryer using the knob reset position or a full power cycle. If the code returns, inspect the wiring harnesses and connector pins between the electronic control boards for looseness, corrosion, or visible damage. Persistent faults after those checks typically point to a failing control board that will need to be replaced.
Is it safe to use my Electrolux dryer when AL 97 is displayed?
When AL 97 is active, the dryer may halt operation or behave erratically, so it is best not to run a cycle until the fault is resolved. The error indicates the internal control system cannot communicate reliably, which could lead to uncontrolled heating or motor behavior. Address the fault before resuming normal use.
How much does it cost to repair an AL 97 error on an Electrolux dryer?
If a reset resolves the issue, there is no parts cost involved. Wiring harness repairs can range from around $50 to $150 in parts depending on the extent of damage. Control board replacement typically falls in the range of $100 to $300 or more for the part alone, with additional labor costs if a technician performs the repair.

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