Dryer runs continuously and does not stop at the expected time; clothes become overdried and very hot.

Safety first: Unplug the dryer before working on sensors or the control board.

• Clean moisture sensor bars: Inside the drum, clean the sensor strips thoroughly with white vinegar to remove any conductive residue.
• Inspect sensor wiring: Access the moisture sensor wiring behind the front bulkhead. Ensure wires are not pinched or touching the metal cabinet.
• Test sensor circuit: With a multimeter, check for a short circuit across the sensor terminals when they are not bridged. If shorted, inspect for damaged insulation or replace the sensor assembly.
• Try timed cycle: Use a timed program instead of auto-dry. If timed cycles work correctly, the issue is likely in the moisture sensing or control logic.
• Control board replacement: If sensors and wiring are correct but the dryer still overruns on auto, the main PCB may have a stuck relay or logic fault and require replacement.