What does error 38 mean on a Voltronic inverter?

38 means: MPPT input was shorted circuit. Internal components failed.

Voltronic inverter error 38

MPPT input was shorted circuit

Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.

InverterFault

MPPT input was shorted circuit — Fault code 38 shown on the display with the fault icon on: MPPT input was shorted circuit.

Cause: Internal components failed.

Please disconnect the solar input immediately and contact your installer.

Source: InfiniSolar-15K-manual-20200313.pdf, p.52

What does error 38 mean on a Voltronic inverter?: 38 means: MPPT input was shorted circuit. Internal components failed.
Is error 38 a fault or a warning?: 38 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
How do I clear or fix error 38?: Please disconnect the solar input immediately and contact your installer.

Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.