Washer-dryer combo displays F26 and may not start or may stop unexpectedly.

Safety first: Unplug the unit before removing any panels or working on the door lock.

Step-by-step checks:

• 1. Confirm door closure: Open and firmly close the door. Listen for the click of the latch engaging.
• 2. Inspect strike and latch: Check for wear or damage to the door strike and latch. Replace worn parts.
• 3. Access door lock: Remove the front panel or door gasket clamp to reach the door lock assembly. Inspect for cracks, burning, or loose connectors.
• 4. Test switch contacts: With the lock disconnected, use a multimeter to test continuity across the door switch terminals when the latch is manually engaged. Replace the lock if contacts do not change state.
• 5. Wiring and control: If the lock tests good, inspect the harness to the control board. If wiring is intact, the control board input may be faulty.