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Error code reference

Fisher & Paykel Washer Error Code 23

Phase 1

Fisher & Paykel codesFisher & Paykel washer codes

Phase 1: Display Module and Motor Controller running out of sequence.

First step from the service manual

Turn off at the wall and back on after 5 seconds. If fault persists disable auto restart and retest for new fault code.

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

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What 23 means on a Fisher & Paykel washer

Error code 23 on a Fisher & Paykel washer indicates a synchronization failure between two core control modules: the Display Module and the Motor Controller. These two components are designed to communicate in a coordinated sequence during operation. When that sequence breaks down and the modules fall out of step with each other, the washer detects the mismatch and triggers fault code 23 to halt operation and prevent further damage.

This type of fault is most commonly caused by a temporary communication disruption rather than a hard component failure. Power fluctuations, voltage spikes, or a brief interruption in the internal wiring harness can all cause the two modules to lose sync. In some cases, corrupted control data in one of the modules can cause the timing mismatch, which is why a power cycle is the recommended first step. Turning the machine off at the wall and waiting at least 5 seconds allows the capacitors to discharge and both modules to reset fully.

If the fault returns after a power cycle, the next step is to disable the auto restart function and retest. This will allow the washer to generate a new, more specific fault code that pinpoints whether the root cause lies with the Display Module, the Motor Controller, the wiring connections between them, or another system component. A persistent fault after reset usually points toward a failing module or a wiring harness issue that requires physical inspection and component-level testing.

Source: manufacturer service documentation.

Common causes of 23

  1. 01

    Temporary power disruption or voltage fluctuation

    Wiring / connection

    A brief power surge, brownout, or interruption can knock the Display Module and Motor Controller out of sync. A full power cycle by switching off at the wall for at least 5 seconds often resolves this without any parts replacement.

  2. 02

    Loose or damaged wiring harness connection

    Wiring / connection

    The communication link between the Display Module and Motor Controller runs through the internal wiring harness. A loose, corroded, or pinched connector on this harness can cause intermittent sync failures that trigger code 23.

  3. 03

    Faulty Display Module

    Part replacement

    If the Display Module has failed or contains corrupted firmware, it may not communicate in the correct sequence with the Motor Controller. This typically produces a persistent fault that does not clear after a power cycle.

  4. 04

    Faulty Motor Controller

    Part replacement

    A failing Motor Controller can lose its timing reference and fall out of sequence with the Display Module. Disabling auto restart and retesting will often generate a new fault code that helps confirm whether the Motor Controller is the source of the problem.

  5. 05

    Corrupted control data or firmware issue

    Part replacement

    In some cases, an error in the stored operating data of one of the control modules can cause repeated sequencing failures. This may require a firmware update or module replacement depending on the diagnosis.

See the test procedure for each cause

Frequently asked questions about 23

What does 23 mean on a Fisher & Paykel washer?
Error code 23 means the Display Module and Motor Controller are running out of sequence with each other. These two boards need to communicate in a coordinated pattern during operation, and when that synchronization breaks down, the washer stops and displays this fault. It can be caused by a power glitch, a wiring issue, or a failing control module.
Will resetting the washer clear error code 23?
A power cycle will sometimes clear fault code 23 if the cause was a temporary communication disruption. Turn the washer off at the wall and wait at least 5 seconds before turning it back on. If the fault returns after the reset, it points to an underlying hardware or wiring problem that needs further diagnosis.
How do I fix error code 23 on a Fisher & Paykel washer?
Start by switching the washer off at the wall and waiting 5 seconds, then turn it back on. If the code returns, disable the auto restart function and run the washer again to see if a new, more specific fault code appears. That secondary code will help narrow down whether the issue is with the Display Module, Motor Controller, or the wiring harness connecting them.
Is it safe to keep using the washer when error code 23 appears?
The washer will typically stop operation when fault code 23 is active, which is a protective response. You should not attempt to force the machine to continue running while this fault is present. Address the fault by attempting a reset first, and have a technician inspect the control modules if the error persists.
How much does it cost to repair a Fisher & Paykel washer showing error code 23?
If the fix is as simple as a power cycle, there is no cost. If wiring connections need to be reseated, a service call typically runs in the range of $80 to $150 for labor. Replacing a Display Module or Motor Controller can bring total repair costs into the $200 to $500 range depending on parts pricing and labor rates in your area.

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