Inv R Short
Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.
Inv R Short — Fault code 40 shown on the display with the fault icon on: Inv R Short.
Cause: Output short circuited.
Source: Voltronic manual, p.51
Price incl. VATAED 5,847
40 means: Inv R Short. Output short circuited.
40 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
1. Check if wiring is connected well and remove abnormal load.
40 is in the "Fault" class on the InfiniSolar TX-PA 30KW: 55 of the 76 codes documented for it.
Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.