What does error 68 mean on a Voltronic inverter?

68 means: DCDC Boost Fault. Load fluctuates.

Voltronic inverter error 68

DCDC Boost Fault

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

InverterFault

DCDC Boost Fault — Fault code 68 shown on the display with the fault icon on: DCDC Boost Fault.

Cause: Load fluctuates.

Source: InfiniSolar-TX-PA_manual.pdf, p.52

What does error 68 mean on a Voltronic inverter?: 68 means: DCDC Boost Fault. Load fluctuates.
Is error 68 a fault or a warning?: 68 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 68?: 1. Restart the inverter.

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