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Airflow Sensor (optional)
1. From the Home Screen, press [MENU].
2. Press [UP] to select the Tools option.
3. Press [OK/MUTE] to enter the submenu.
4. Press [DOWN] until the Diagnostics option is
highlighted, then [OK/MUTE] to enter the
submenu.
5. Press [DOWN] until the Airflow Sensor option is
highlighted, then [OK/MUTE] to enter Airflow
Sensor diagnostics.
6. The display shows the status of the airflow
sensor in the following order:
current sensor output in millivolts,
current inflow, corrected for the display
zero set-point in millivolts
alarm set-point in millivolts
nominal (105 FPM or 0.53 m/s) output in
millivolts.
7. Press [MENU] to return to the Diagnostic submenu.