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Error code reference

Fisher & Paykel Dryer Error Code 2

Drum gap cannot be located by the optical sensor on the drum tachometer.

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Drum gap cannot be located by the optical sensor on the drum tachometer.

First step from the service manual

Ensure the sensor module is correctly located and clipped into place.

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

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What 2 means on a Fisher & Paykel dryer

Error code 2 on a Fisher & Paykel dryer indicates that the optical sensor on the drum tachometer is unable to detect the drum gap. The drum tachometer system works by using an optical sensor to read a specific gap or reference point on the rotating drum, which allows the control board to monitor drum speed and confirm that the drum is spinning correctly. When this gap cannot be located, the control board cannot establish a valid drum rotation signal and triggers the fault.

The most immediate and common cause of this error is the sensor module becoming dislodged or incorrectly seated. The optical sensor must be precisely aligned with the drum gap to detect it as the drum rotates. If the sensor has shifted out of position, even slightly, it will fail to register the gap and the error will be generated. This is why the first diagnostic step is to confirm the sensor module is correctly clipped into its mounting location.

Beyond a mislocated sensor, the fault can also result from a failed or damaged optical sensor itself, contamination blocking the sensor's optical path, or issues with the wiring between the sensor and the control board. A drum that has stopped rotating entirely would also prevent the gap from being detected, so confirming drum movement is part of a complete diagnosis. Addressing the sensor seating first is the correct starting point, as it is the simplest and most frequently overlooked cause of this specific fault code.

Source: manufacturer service documentation.

Common causes of 2

  1. 01

    Sensor module dislodged or not clipped in

    Wiring / connection

    The optical sensor module can work loose from its mounting bracket, causing it to lose alignment with the drum gap. Inspect the sensor and confirm it is fully seated and clipped securely into its correct position.

  2. 02

    Optical sensor contaminated or obstructed

    Wiring / connection

    Lint, dust, or debris can accumulate on the sensor's optical components and block its ability to detect the drum gap. Carefully clean the sensor face with a dry cloth or compressed air and retest.

  3. 03

    Failed optical sensor

    Part replacement

    The optical sensor itself may have failed electrically or physically, preventing it from transmitting a valid signal regardless of its position. If the sensor is correctly seated and clean but the error persists, the sensor module likely requires replacement.

  4. 04

    Wiring fault between sensor and control board

    Wiring / connection

    Damaged, pinched, or disconnected wiring in the sensor circuit can interrupt the signal to the control board. Inspect the wiring harness from the sensor back to the board for any visible damage or loose connectors.

  5. 05

    Drum not rotating

    Part replacement

    If the drum has stopped turning due to a worn belt, seized bearing, or failed drive motor, the optical sensor will never detect the gap. Confirm the drum rotates freely by hand before focusing diagnosis on the sensor itself.

See the test procedure for each cause

Frequently asked questions about 2

What does 2 mean on a Fisher & Paykel dryer?
Error code 2 means the optical sensor on the drum tachometer cannot locate the drum gap, which is the reference point it uses to confirm the drum is spinning. The dryer monitors drum rotation through this sensor, and when the gap signal is lost, the machine shuts down and displays the fault. The most common reason is that the sensor module has come out of its correct position.
How do I fix error code 2 on my Fisher & Paykel dryer?
Start by locating the drum tachometer sensor module and confirming it is fully seated and clipped into place, as misalignment is the most frequent cause of this code. Also inspect the sensor face for lint or debris and clean it if necessary. If the sensor is correctly positioned and clean but the error continues, check the wiring connections at the sensor and control board, and consider replacing the sensor module if no other fault is found.
Is it safe to keep using my dryer when error code 2 appears?
No, you should not continue operating the dryer while this error is active. The fault means the dryer cannot confirm that the drum is rotating properly, and running the appliance without a verified drum signal could mask additional mechanical problems. Resolve the error before resuming normal use.
Will resetting the dryer clear error code 2?
A power reset may temporarily clear the displayed code, but if the underlying cause, such as a loose sensor or failed component, has not been corrected, the error will return. You should diagnose and fix the root cause rather than relying on resets. Repeatedly resetting without repair will not prevent the fault from recurring.
How much does it cost to repair error code 2 on a Fisher & Paykel dryer?
If the fix is simply reseating or cleaning the sensor, there may be no parts cost at all, though a service call for a technician to diagnose and perform the repair can range from around $80 to $150. If the optical sensor module needs replacement, parts and labor combined typically range from $100 to $250 depending on your location and the specific model. Checking the sensor seating yourself first, if you are comfortable doing so, can potentially eliminate any cost.

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