E16 error; ambient temperature sensor fault, unit may not start in very hot or cold rooms.

Safety first: Unplug the unit before removing any covers.

• Locate the ambient sensor: On many Weasy ice makers, a small NTC sensor is mounted near the air intake grille or behind the front panel.
• Inspect sensor and wiring: Check that the sensor is intact and its wires are not pinched or cut.
• Test resistance: Disconnect the sensor and measure resistance at room temperature. Compare to the Weasy NTC chart. Replace if open, shorted, or far out of range.
• Secure mounting: Ensure the sensor is positioned where it can accurately sense room air, not touching hot components.
• Replace the ambient temperature sensor if defective. If a new sensor does not clear E16, the main control board may be at fault.