Maytag Dryer Error Code F3E5

F3E5 means the control board has detected that both the inlet thermistor and exhaust thermistor circuits are open, meaning it is receiving no temperature data from either sensor. The most common reason this happens is that the P14 connector on the CCU is not plugged in or has come loose. Because both sensors fail together rather than independently, the fault almost always points to a shared connection issue rather than two separate thermistor failures.

No. With F3E5 active, the dryer cannot monitor air temperature at either the inlet or exhaust, which means it has no way to regulate heat or detect overheating conditions. Running the dryer in this state risks overheating the drum, clothing, and internal components. Keep the dryer off until the P14 connector is inspected and the thermistor circuits are confirmed to be functioning.

It is possible but uncommon. The F3E5 code is specifically tied to the P14 connector port on the CCU and the thermistor circuits it serves. Before suspecting the CCU itself, confirm the P14 connector is secure, test both thermistors with a multimeter, and inspect the wiring harness for damage. If all of those components check out correctly and the code persists, a faulty CCU becomes a more credible diagnosis and replacement would be the next step.

Start by locating the CCU (Central Control Unit) inside the dryer cabinet and checking that the P14 connector is fully seated. Unplug the dryer, remove the panel to access the CCU, press the P14 connector firmly into place, and restore power to see if the code clears. If the code returns after reseating the connector, use a multimeter to test both thermistors for continuity and check the wiring harness for breaks or damage. A thermistor that reads open will need to be replaced.

If the fix is simply reseating the P14 connector, the cost is nothing beyond the time to access the CCU. If one or both thermistors need replacement, each thermistor typically costs between $15 and $40 for the part, and the repair is accessible to a confident DIYer with basic tools. If the wiring harness is damaged, parts cost varies but the labor to diagnose and repair wiring is where professional service costs increase, generally ranging from $100 to $200 for a technician call depending on your area.