Communication alarm EME20 — No communication with EME20 accessory

What does Communication alarm EME20 mean?

The NIBE SMO 20 control module has lost communication with the EME20 accessory. This can affect the integration of PV-inverters or other functions managed by the EME20, disrupting energy management.

• Loose or damaged cable connection between SMO 20 and EME20.
• EME20 accessory is not powered on or has lost power.
• Software glitch affecting communication protocols.
• Faulty EME20 unit or communication module.

Click steps to track your progress.

1. 1

   Verify the EME20 accessory is properly powered on and its indicator lights are active.

2. 2

   Check all cable connections between the NIBE SMO 20 and the EME20 for looseness or damage.

3. 3

   Manually reset the alarm on the NIBE SMO 20 display.

4. 4

   Update the NIBE SMO 20 firmware to version 8700R2 or later.

5. 5

   If the problem persists, consult the EME20 manual or contact NIBE support.