E10 is displayed; unit may not detect when the ice bin is full or may stop with an empty bin.

Safety first: Disconnect power before working near sensors or moving arms.

Steps to address E10:

• Empty the bin: Remove all ice from the storage bin and check for clumps blocking the sensor area.
• Identify sensor type: Some Tristar models use an infrared (IR) sensor pair; others use a mechanical bin arm.
• Clean IR sensors: If IR type, gently clean the emitter and receiver windows with a soft, dry cloth. Ensure nothing blocks the beam path.
• Check bin arm movement: If mechanical, move the bin arm up and down. It should move freely and return by spring tension. Clear any obstructions.
• Inspect wiring: Access the sensor wiring behind the bin area and at the control board. Reseat connectors.
• Replace sensor if faulty: If the sensor does not respond or tests out of spec, replace with a Tristar ice bin full sensor assembly.
• Reassemble and test: Restore power and run a cycle, confirming the unit stops when the bin is full and restarts when ice is removed.