Dryer runs but timer does not advance; cycle seems to run indefinitely

Safety first: Unplug the dryer before cleaning sensor bars or accessing the control.

• Clean sensor bars: Wipe the drum moisture sensors with a cloth and white vinegar to remove residues.
• Use timed cycle: Test a timed program. If it completes normally, the issue is likely with moisture sensing rather than heating.
• Check wiring: Inspect the sensor wiring harness for breaks or loose connectors.
• Board diagnosis: If sensors and wiring are good, the control board’s sensor input may be faulty and require replacement.