Air Conditioning Repair Certification (ETI) 2025 – 400 Free Practice Questions to Pass the Exam

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What might be an indicator of a malfunctioning compressor in an air conditioning system?

Inconsistent cooling

Inconsistent cooling is a key indicator of a malfunctioning compressor in an air conditioning system. The compressor plays a crucial role in the cooling cycle by compressing the refrigerant and circulating it through the system. When the compressor is not functioning properly, it can struggle to maintain the correct pressure and flow of refrigerant. This can lead to situations where some areas are not cooled effectively while others may be cooler than intended, resulting in uneven temperatures throughout the space.

This inconsistency can be caused by several issues within the compressor, such as internal wear, electrical problems, or refrigerant leaks. Therefore, when you notice that your air conditioner is not delivering the same level of cooling in all areas or is unable to reach the desired temperature, it points to potential compressor issues that may need to be addressed.

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Excessively quiet operation

Normal energy consumption

Efficient refrigerant flow

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