Riello Sentinel Dual Error F40: Inverter overvoltage

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

Fault codeF40

The inverter has detected an overvoltage condition. The manual lists no action for this code.

Model
Riello Sentinel Dual
Display shows
Inverter overvoltage (F40)
Type
Fault code
Source
Manual p. 28

What F40 means

Inverter overvoltage p. 28

Common causes

  • Inverter overvoltage p. 28

If F40 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.”
Open the manual at page 28 All Sentinel Dual error codes Manual details & download

This page summarises what the manufacturer’s manual says about F40; 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.