What does AHU-X07 mean?
A sensor's value hasn't changed beyond its noise floor for a long period when it should have.
Why does it matter?
A stuck sensor isn't just one bad data point — it silently corrupts every control loop that depends on it. A stuck SAT will make the AHU control to a fictional temperature.
What should you do?
Power-cycle the sensor module, check wiring for shorts or opens, look for a recent commissioning override that pinned the value, and verify the BMS isn't suppressing updates.
This is a diagnostic rule: Energy Agent surfaces and ranks it as a data quality problem and claims no dollar savings for it, by design.
How Energy Agent prices a finding
Written by Pelorus Engineering · Brent Waluzak, P.E. (FL), President, Pelorus EngineeringLast updated