Riello Sentinel Dual Error F42: Incorrect inverter voltage

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

Fault codeF42

The inverter voltage is incorrect or mismatched. The manual lists no action for this code.

Model
Riello Sentinel Dual
Display shows
Incorrect inverter voltage (F42)
Type
Fault code
Source
Manual p. 28

What F42 means

Incorrect inverter voltage p. 28

Common causes

  • Incorrect inverter voltage p. 28

If F42 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 F42; 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.