Indesit Dryer Error Code F04

F04 on an Indesit dryer means the control board has detected that the condensate pump is active when it should be switched off. This is a pump control circuit fault that can stem from a loose connector, a stuck relay, a wiring short, or a failed pump. The dryer halts operation when this code appears to prevent damage from the pump running out of sequence.

It is not advisable to continue running the dryer while F04 is active. A pump operating at the wrong time can lead to water management issues within the machine, and an underlying electrical fault such as a short circuit carries additional risk. Switch off and unplug the dryer until the fault has been investigated and resolved.

If the fix is simply reseating the J5 connector, there is no parts cost, though a service call fee would apply if a technician is involved. Replacing a condensate pump typically costs in the range of 30 to 80 dollars for the part, while a control board replacement can range from 80 to 200 dollars or more depending on availability. Labor charges vary by region but generally add 60 to 120 dollars per hour on top of parts costs.

The first step is checking the J5 connector on the control module, which is a task a confident DIYer can perform after unplugging the machine. Reseating or cleaning this connector sometimes clears the fault without any part replacement. If the connector is secure and the fault persists, further diagnosis involves testing the relay, wiring harness, and pump, which requires a multimeter and some familiarity with appliance wiring.

A power reset by unplugging the dryer for a few minutes may temporarily clear the code, but if the underlying cause is still present the fault will return. A loose J5 connector that is reseated during the reset process might resolve the issue permanently, but a failed relay, wiring short, or faulty pump will require proper repair before the code stays clear.