Riello Sentinel Dual Error C04: Battery test in progress

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

Fault codeC04

A battery test is currently being performed. The manual lists no action for this code.

Model
Riello Sentinel Dual
Display shows
Battery test in progress (C04)
Type
Fault code
Source
Manual p. 29

What C04 means

Battery test in progress p. 29

If C04 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 29 All Sentinel Dual error codes Manual details & download

This page summarises what the manufacturer’s manual says about C04; 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.