Industrial Maintenance Technician Practice Test 2026 - Free Maintenance Technician Practice Questions and Study Guide

The condition that causes an air conditioner to operate continuously encompasses various issues, including a dirty filter, improper airflow, and low refrigerant levels, making the answer comprehensive in recognizing all contributing factors.

A dirty filter restricts airflow, forcing the system to work harder to maintain temperature, leading to an extended runtime. If the airflow is improper, whether due to obstructions in ducts or a malfunctioning fan, the system struggles to regulate indoor conditions efficiently, which can also cause it to run longer than necessary.

Additionally, low refrigerant levels affect the system's ability to absorb heat, convincing the air conditioner to keep operating to achieve the set temperature. Thus, recognizing that each of these elements can independently or collectively lead to continuous operation underscores the multifaceted nature of air conditioning issues. Adopting an approach that addresses all these potential causes is crucial for effective HVAC maintenance and efficiency.