Information message 271 — Low outdoor air (F2040 startup)

What does Information message 271 mean?

The system reported low outdoor air temperature during VVM startup or restart, especially if the F2040 was not rebooted. This message could be shown incorrectly if the outdoor sensor (BT28) wasn't properly initialized.

• Temporary incorrect outdoor air reading from sensor BT28 during startup.
• Software bug where the message appeared too quickly before sensor stabilization.
• Loose or faulty outdoor sensor BT28 connection.

Click steps to track your progress.

1. 1

   Verify the outdoor sensor BT28 is securely connected and not obstructed.

2. 2

   Wait for at least 30 seconds after system startup for the sensor reading to stabilize.

3. 3

   Restart the NIBE SMO 20 and F2040 units by cycling their power.

4. 4

   Update the NIBE SMO 20 firmware to version 8320R2 or later.