Riello Sentinel Dual Error F43: Inverter under voltage

Riello Sentinel Dual UPS · taken from the manufacturer’s manual, pages cited

Fault codeF43

The inverter has detected an under-voltage condition. The manual lists no action for this code.

Model
Riello Sentinel Dual
Display shows
Inverter under voltage (F43)
Type
Fault code
Source
Manual p. 28

What F43 means

Inverter under voltage p. 28

Common causes

  • Inverter under voltage p. 28

If F43 is still not resolved

  • contact service / dealer p. 18
    “In order to optimise performance, in ECO mode, the load is normally powered by the bypass.”

This page summarises what the manufacturer’s manual says about F43; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with Riello. Found a mistake? Report an error.