IC "A" School – Airflow, H2S, Refrigerant Practice Test

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Which indicator would signal a power issue in the system?

DS2 Flag Drop Indicator

DS3 Airflow Alarm Indicator

Local Audible Alarm

DS1 Power Indicator

Power issues show up on the dedicated power indicator. This indicator directly monitors the system’s electrical supply and will alert you when voltage is out of range or power is lost. The other indicators point to different problems: a flag-drop indicator signals issues with warning flags, an airflow alarm points to abnormal airflow, and a local audible alarm can sound for various faults but isn’t specific to power. So the power indicator is the correct signal for a power issue.

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