Inv Temp Over
Fault — the inverter cuts its output and the red LED stays solid until the fault is cleared.
Inv Temp Over — Fault code 48 shown on the display with the fault icon on: Inv Temp Over.
Cause: The temperature is too high inside.
Source: InfiniSolar-TX-PA_manual.pdf, p.51
48 means: Inv Temp Over. The temperature is too high inside.
48 is a fault code: the inverter cuts its output and the red LED stays solid until it is cleared.
1. Check the ambient temperature and fans.
Compiled from official Voltronic user manuals. Always consult your device manual and a qualified technician before performing repairs.