Indoor unit frequently turns on and off (short cycling) without reaching the set temperature.

Safety: Turn off power before moving sensors or opening covers.

• Step 1 – Check sensor location: Ensure the room temperature sensor is not directly in the cold air stream; reposition if possible.
• Step 2 – Clean filters and coils: Improve airflow to reduce rapid temperature swings near the sensor.
• Step 3 – Adjust settings: Use a moderate fan speed and avoid setting the temperature extremely low or high.
• Step 4 – Evaluate sizing: If the unit is significantly oversized, short cycling may be unavoidable and may require system redesign.