Alarm Module Optimal
This close up picture shows the command module with indicator lights confirming that the dryer is exhausting at it's like new condition. The button below the speaker port is used to set the baseline during initial set up. Once completed, the first green indicator will illuminate.
As back pressure builds up over time, more lights illuminate to keep you updated on how efficiently the dryer is exhausting and, ultimately, to warn that maintenance is required to ensure the safe operation of your dryer.