Maytag Washer Error Code oP

The oP code on a Maytag washer stands for overflow protection. It means the water level in the wash tub has exceeded the normal safe operating level, and the washer has shut down to prevent flooding. The most likely causes are a water inlet valve stuck in the open position or a problem with the pressure switch and air dome hose that monitors water level.

No, you should not continue running the washer when the oP code is active. The overflow protection system tripped because water reached a dangerously high level, and running another cycle before the root cause is fixed risks flooding your laundry area. Leave the washer unplugged until the problem is diagnosed and corrected.

Repair costs depend on which component has failed. A water inlet valve typically costs between $30 and $80 for the part, and a pressure switch generally runs between $15 and $50. If you hire a technician, expect to add labor charges ranging from $75 to $150 or more depending on your area and the complexity of the repair. Cleaning or reseating the air dome hose costs nothing beyond your time if no parts need replacing.

Some steps are within reach for a knowledgeable DIYer. You can inspect the air dome hose for cracks, kinks, or disconnections and clear any blockages without special tools. Testing and replacing a water inlet valve or pressure switch requires basic electrical testing skills and comfort working with appliance components. If you are not confident working around water and electrical connections, a professional technician is the safer choice.

Resetting the washer by unplugging it for a few minutes may clear the code temporarily, but the oP error will return if the underlying cause is not repaired. If the water inlet valve is sticking open or the pressure sensing system is faulty, the overflow condition will repeat and the code will come back during the next fill cycle. A reset alone is not a fix.