What does C mean?

Setting Configuration ID 2, Position 2 to 'C' enables the M3 unit controller to monitor the dirty filter switch (S27). When the filter is dirty, S27 closes, and the controller will display and store an error code.

• User intentionally enabling or disabling the feature.
• Configuration setting was changed.

Click steps to track your progress.

1. 1

   Navigate to SETUP > INSTALL > CONFIGURATION ID 2.

2. 2

   Set Position 2 to 'C' to enable the dirty filter switch monitoring.

3. 3

   Save the configuration changes.