Fisher & Paykel Washer Error Code 73

Error code 73 indicates a pressure transducer error, specifically that the machine has detected an incorrect or incompatible pressure transducer. The Motor Control Module is responsible for reading the transducer's signal, and when the signal does not match expected values for the machine's configuration, this code is triggered. It typically points to a parts mismatch resulting from a previous repair or an internal fault in the Motor Control Module.

The recommended first diagnostic step is to replace the Motor Control Module. If the error persists after module replacement, verify that the pressure transducer installed in the machine matches the correct part specification for your model. Also inspect the wiring harness and connectors between the transducer and control module for damage or loose connections before concluding that the transducer itself needs replacement.

Repair costs depend on which component needs replacement. A Motor Control Module for Fisher & Paykel washers typically ranges from around $150 to $350 or more for the part alone, with additional labor costs if a technician is hired. If only wiring or connector repairs are needed, costs are considerably lower. Getting a diagnostic assessment from a qualified technician before purchasing parts is recommended to avoid unnecessary expenses.

A simple power cycle or reset is unlikely to permanently clear error code 73 because the fault is tied to a hardware incompatibility or component failure rather than a temporary software glitch. The code will typically return as soon as the machine attempts to read the water level sensor again. Resolving the underlying cause, either by replacing the Motor Control Module or verifying the correct pressure transducer is fitted, is required to clear the error.

It is not advisable to continue using the washer while error code 73 is active. The pressure transducer controls how the machine monitors water levels, and an unresolved error in this system could lead to incorrect water fill levels. Running the machine in this condition risks poor wash performance or potential water management issues until the fault is diagnosed and corrected.