Fault Detection: Exhaust Fan Malfunction


Tenant health and comfort.

The Background

Belt issues are very common in fan-driven motors. The exhaust fan belt breaks, and the motor continues running even though the fan is not performing its intended function.

Because the fan belt continues to run, the issue is rarely detected by preventative maintenance checks. While the belt remains broken, tenants may complain of unpleasant odors.

Worse, undetectable problems such as CO2 levels could rise to unhealthy levels; studies have shown that high levels of CO2 can cause drowsiness or headaches.

Because the root cause or location of the issue is not obvious, wasted maintenance hours may be spent investigating the origin of the complaints.


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Brian Maw