T418 OAU LOW CFM — Not enough outside air is being drawn in

¿Qué significa T418 OAU LOW CFM ?

This alarm indicates that the ERV cannot bring in the desired amount of outside air. The actual outside air CFM is less than 10% of the commanded amount after 10 minutes.

• Outside air CFM setpoint set too high
• Dirty filter or plugged screen
• Pressure tubing wrong or disconnected
• Wrong OA CFM curve programmed
• RTU indoor fan speed running too low

Haga clic en los pasos para seguir su progreso.

1. 1

   Clean or replace the air filter and any screens.

2. 2

   Verify the outside air CFM setpoint.

3. 3

   Inspect and ensure pressure tubing is correctly connected and undamaged.

4. 4

   Confirm the correct OA CFM curve is programmed.

5. 5

   Check the RTU indoor fan speed.