Lunar Energy

With the rotary switch turned On, the Hub is not communicating in the installer app or on Grafana.

- With the rotary switch turned On, the Hub is not communicating in the installer app or on Grafana.

Make sure the Rotary switch is On. We cannot guarantee the Max Hub will appear if the rotary switch is off.

Ensure that an external RSID is not engaged — this could force the system into RSD.

Reset the TRM in Gridshare (see article 99.6 How to Reset the TRM through Gridshare).

Check/wiggle the HC connectors to see if they are loose. These connectors are located above the ethernet port on the HC, at the back right side (when facing the INV) of the INV wiring compartment.

See if there are green LEDs present on the Maximizer Hub when the rotary switch is ON.

Verify that the Max Hub has power with a voltage reading on the solder pads of the PCBA power wires.

Power cycle the Hub (see article 99.4 Power Cycle Lunar Maximizer Hub).

1. Make sure the Rotary switch is On. We cannot guarantee the Max Hub will appear if the rotary switch is off.
2. Ensure that an external RSID is not engaged — this could force the system into RSD.
3. Reset the TRM in Gridshare (see article 99.6 How to Reset the TRM through Gridshare).
4. Reboot the HC in Gridshare.
5. Check/wiggle the HC connectors to see if they are loose. These connectors are located above the ethernet port on the HC, at the back right side (when facing the INV) of the INV wiring compartment.
6. See if there are green LEDs present on the Maximizer Hub when the rotary switch is ON.
7. Verify that the Max Hub has power with a voltage reading on the solder pads of the PCBA power wires.
8. Power cycle the Hub (see article 99.4 Power Cycle Lunar Maximizer Hub).
9. Push a FW update to the system.

5.1 Max Hub Not Communicating

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