How to Fix / Troubleshooting

Safety First: Unplug the dryer and shut off gas before servicing.

Steps:

Check connector: Access the inlet thermistor and verify the connector is fully seated and not corroded.
Test continuity: Remove at least one wire from the thermistor and measure resistance. Infinite resistance indicates an open sensor.
Inspect wiring: Trace the harness from the thermistor to the control board, looking for breaks, pinched sections, or disconnected plugs.
Replace thermistor: If open, install a new inlet thermistor and secure wiring.
Control board diagnosis: If the thermistor tests good and wiring is intact, the main control board may not be reading the sensor correctly and may need replacement.

Dryer shows F25 and may not start or may stop mid-cycle, often on moisture-sensing models

Possible Causes