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Error code reference

Fisher & Paykel Washer Error Code 106

Display to Motor Controller Module communications errors; Display Module detects an error in communications…

Fisher & Paykel codesFisher & Paykel washer codes

Display to Motor Controller Module communications errors; Display Module detects an error in communications between Display Module and Motor Controller Module.

First step from the service manual

Measure resistance of pump; if resistance is less than 33 ohms, replace pump.

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

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What 106 means on a Fisher & Paykel washer

Error code 106 on a Fisher & Paykel washer indicates a communications fault between the Display Module and the Motor Controller Module. These two control boards continuously exchange data signals during operation. When the Display Module detects that this communication link has broken down or is returning corrupt data, it triggers error code 106 and halts the cycle. The fault can originate from either module, the wiring harness connecting them, or a component that is placing enough electrical load on the system to disrupt signal integrity.

The first diagnostic step specified for this code is to measure the resistance of the drain pump. If the pump measures less than 33 ohms, it indicates an internal short in the pump motor windings. A shorted pump draws excessive current, which can drag down the power supply rail shared by the control boards and corrupt the data signals being exchanged between the Display Module and Motor Controller Module. This makes the pump a primary suspect even though the error message points to a communications issue.

If the pump resistance is within acceptable range, attention should shift to the wiring harness running between the two modules. Loose connectors, broken pins, or chafed wiring can intermittently interrupt the communication circuit. Either control module can also develop an internal fault that prevents it from maintaining proper communication, in which case the faulty board itself must be identified and replaced.

Source: manufacturer service documentation.

Common causes of 106

  1. 01

    Shorted Drain Pump

    Part replacement

    A pump with internal winding resistance below 33 ohms is drawing excessive current, disrupting the power supply shared by both control boards and corrupting their communication signals. Measure pump resistance with a multimeter; a reading under 33 ohms confirms the pump must be replaced.

  2. 02

    Faulty Wiring Harness Between Modules

    Wiring / connection

    The cable connecting the Display Module and Motor Controller Module can develop broken wires, corroded pins, or loose connector seats that interrupt data transmission. Inspect the harness and both connectors carefully for visible damage or looseness.

  3. 03

    Failed Motor Controller Module

    Part replacement

    The Motor Controller Module may have developed an internal fault that prevents it from sending or receiving communication signals correctly. If pump resistance and wiring check out, the Motor Controller Module is the next component to evaluate for replacement.

  4. 04

    Failed Display Module

    Part replacement

    The Display Module itself can develop a fault that causes it to misread or drop the communication signal from the Motor Controller Module. Since this module is reporting the error, it should be considered if all other components test correctly.

  5. 05

    Connector Corrosion or Contamination

    Wiring / connection

    Moisture or detergent residue on the module connectors can increase contact resistance enough to corrupt data signals without fully breaking the circuit. Cleaning the connector pins and ensuring a secure, dry connection may resolve the fault in some cases.

See the test procedure for each cause

Frequently asked questions about 106

What does 106 mean on a Fisher & Paykel washer?
Error code 106 means the Display Module has detected a failure in the communications link between itself and the Motor Controller Module. The washer stops operation because the two boards can no longer exchange the data needed to run a cycle safely. The root cause can be a shorted drain pump, faulty wiring, or a failed control board.
How do I fix error code 106 on my Fisher & Paykel washer?
Start by measuring the resistance of the drain pump with a multimeter. If the reading is below 33 ohms, the pump has an internal short and needs to be replaced. If the pump tests within range, inspect the wiring harness and connectors between the Display Module and Motor Controller Module for damage or loose connections. If no wiring faults are found, one of the two control boards will need to be tested and likely replaced.
Is it safe to use my washer when error code 106 is showing?
No, you should not attempt to run the washer while error code 106 is active. The machine has shut down because the control system cannot operate reliably without proper communication between the two control boards. Continuing to run it could cause further damage to the electronics or leave laundry in standing water.
Will resetting my Fisher & Paykel washer clear error code 106?
A reset may temporarily clear the code and allow the washer to attempt another cycle, but the error will return if the underlying fault is not repaired. If a shorted pump or damaged wiring is present, the communications failure will reoccur as soon as the machine tries to operate. A proper diagnosis and repair is necessary for the code to clear permanently.
How much does it cost to repair error code 106 on a Fisher & Paykel washer?
Repair costs depend on which component has failed. Drain pump replacement typically runs in the range of $100 to $250 including parts and labor. Wiring harness repairs can vary widely depending on the extent of the damage. If a control board needs to be replaced, costs can range from $150 to $400 or more, depending on the specific module and local labor rates.

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