Indoor unit displays F2; unit may freeze up or shut down unexpectedly.

Safety: Disconnect power before servicing.

• Step 1 – Access coil: Remove front cover and filters to expose the evaporator coil.
• Step 2 – Verify sensor placement: Ensure the sensor is firmly clipped to the coil tubing and not loose.
• Step 3 – Inspect wiring and connector: Look for nicks, cuts, or pulled wires. Reseat the connector on the PCB.
• Step 4 – Replace sensor: Install a new Senville evaporator sensor if damage is found or F2 persists.
• Step 5 – Test: Restore power and run the unit, monitoring for normal operation.