Fisher & Paykel Washer Error Code 236
Phase 6 Incompatible EEPROM Version
Phase 6 Incompatible EEPROM Version - Failure to start and fault immediately displayed; motor controller is the wrong one.
First step from the service manual
Replace motor controller.
The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.
Get the full diagnostic procedure for 236.
- Step-by-step tests with expected resistance, voltage, and continuity values
- Wiring diagram references and connector pinouts from the OEM service manual
- Verified part numbers when replacement is required
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What 236 means on a Fisher & Paykel washer
Error code 236 on a Fisher & Paykel washer indicates a Phase 6 Incompatible EEPROM Version fault. This code is triggered when the motor controller installed in the machine contains an EEPROM (Electrically Erasable Programmable Read-Only Memory) version that is incompatible with the washer's control system. The EEPROM stores critical firmware and configuration data that the motor controller uses to communicate with and operate within the specific washer platform. When the controller's firmware version does not match what the washer expects, the machine cannot establish proper communication and refuses to start, displaying the fault immediately upon attempting to run.
This fault is distinct from component failures caused by wear or electrical damage. Instead, error 236 points directly to a hardware mismatch, specifically that the wrong motor controller has been installed in the machine. This most commonly occurs after a service repair where an incorrect replacement part was fitted, or in cases where a used or refurbished motor controller from a different model or production phase was substituted. Because the fault is detected at startup before any wash cycle can begin, there is no risk of partial operation or mechanical damage from attempting to run the machine.
The resolution for this fault is straightforward: the incompatible motor controller must be replaced with the correct, compatible unit for the specific washer model and phase. There are no software resets or recalibration procedures that can resolve a hardware version mismatch at the EEPROM level. Technicians should verify the replacement part is sourced for the exact model and production phase to ensure EEPROM compatibility before installation.
Source: manufacturer service documentation.
Common causes of 236
- 01
Incorrect replacement motor controller installed
Part replacementThe most common trigger for this fault is a motor controller that was replaced during a prior repair with a unit from an incompatible model or production phase. Even controllers that look physically identical may carry a different EEPROM version that the washer cannot accept.
- 02
Used or refurbished motor controller with mismatched firmware
Part replacementA secondhand motor controller sourced from a different washer variant may have an EEPROM version that does not match the target machine. There is no way to update or flash the EEPROM in the field to resolve this mismatch.
- 03
Motor controller swapped between incompatible production phases
Part replacementFisher & Paykel washers are built across multiple production phases, and controllers are phase-specific. A controller from Phase 5 or Phase 7, for example, will trigger code 236 when installed in a Phase 6 machine.
- 04
Incorrect part ordered or supplied
Part replacementIf a technician or customer ordered a motor controller using an incomplete model number or a generic cross-reference, the supplied part may appear correct but carry an incompatible EEPROM version. Confirming the full model and serial number before ordering is essential.
Frequently asked questions about 236
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