Fisher & Paykel Dryer Error Code 4

Error code 4 means the motor control module has read an invalid option link for the heat source configuration. This is an internal fault within the motor control module itself. The dryer cannot confirm whether it is configured for electric or gas heat, so it stops operation for safety. The fix is to replace the motor control module.

No, you should not attempt to use the dryer while error code 4 is active. The error indicates the motor control module cannot validate the heat source configuration, which means the dryer's heating system cannot operate in a verified, controlled manner. Continuing to use the dryer in this state could pose a safety risk, particularly with gas models.

The cost to fix error code 4 depends on the price of the replacement motor control module and whether you use a professional technician. Parts costs for control modules on Fisher & Paykel dryers typically range from around $100 to $300 or more depending on the model. Adding professional labor, total repair costs generally fall in the range of $200 to $500. Getting a quote from a technician before proceeding is advisable to compare repair cost against the dryer's age and value.

Replacing the motor control module is a technical repair that involves working with the dryer's internal electrical components. A knowledgeable DIYer who is comfortable disassembling appliances and handling control boards may be able to perform this repair. However, because this involves the core control electronics of the dryer, many owners prefer to use a qualified technician to ensure correct installation and safe operation.

A power reset may temporarily clear the error display, but it is very unlikely to resolve the underlying fault. Error code 4 is caused by an invalid hardware configuration read within the motor control module, which is an internal component failure. If the error returns after a reset, the motor control module needs to be replaced.