Calibrating the LintAlert to Monitor Lint Build UpCalibrating the LintAlert to the Dryer's Like New Exhaust Level
Home Safety

Calibration for Your Dryer

Depending on many factors, including exhaust run length and termination hood type, every dryer exhaust system is unique. To accurately monitor air pressures for each dryer, the LintAlert is calibrated to recognize the exhaust system’s clean or like new state. As lint builds up over time, the indicator lights illuminate at different rates depending on how efficiently the system is venting at its calibration point.

Duct System Blockage Levels &  Blockage Indicators
Excellent Exhaust Efficiency
Good Dryer Exhaust Efficiency
Average Clothes Dryer Exhaust
Below Average - Some Dryer Exhaust Restriction
Poor Exhaust - Extra Wear on Clothes and Longer Dryer Times
Very Poor Exhaust - Can Quickly Become a Dryer Fire Hazard

The lower the initial clean value pressure found, the larger the intervals between a graduation to the next warning level. And, on the flip side, the higher initial clean value pressure found, the smaller the intervals.

Indicator Quick Key

For a detailed schematic of all LED signal meanings, be sure to review the operational flowchart.

Light Meanings During Calibration

(Error Codes)

First Two Indicator Lights On means no pressure was observed, either due to dryer not ON, tubing not connected or LintAlert was plugged in with tubing connected and dryer running.

Last Two Indicator Lights On means too much pressure was present, likely the exhaust duct was never cleaned or there still exists blockage of some sort.

No Indicator Lights On means calibration was successful and after 2 seconds the first LED will illuminate.

Light Meanings While LintAlert is in Monitoring Mode

No Indicator Lights On Dryer is not ON, tubing is detached, or there was a recent calibration.

First Indicator Light On Normal exhaust pressure (system clean with a recent calibration).

First Two Indicator Lights On Exhaust system is approximately 20 percent blocked.

First Three Indicator Lights On Exhaust system is approximately 32 percent blocked.

First Four Indicator Lights On Exhaust system is approximately 45 percent blocked.

All Indicator Lights On Exhaust system is approximately 60 percent blocked. Maintenance is needed.
This critical state is accompanied by an audible alarm which can be muted.

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