Issue:

An alarm with code F120 is triggered on a Solar Canopy Kit inverter with a 48V module, requiring a firmware update to resolve the issue.

Cause:

The F120 alarm is present on the inverter, which can be resolved by authenticating, running a remote test, and updating the firmware to a specified version.

Resolution:

1. Authenticate and log in to the inverter system.
2. Identify the inverter model to ensure the correct firmware and procedure are used (e.g., Solar Canopy Kit, HIS-SC-010 with a 48V module).
3. Run a remote test on the inverter.
4. Apply firmware version FB-772 to the inverter.
5. Confirm that the F120 alarm is cleared after the firmware update.