Riello Sentinel Dual Error F04

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

Fault codeF04

The internal dissipators inside the UPS have exceeded their maximum temperature limit. The manual's first action is: “Check that the temperature of the environment in which the UPS is located does not exceed 40°C.”

Model
Riello Sentinel Dual
Display shows
F04
Type
Fault code
Source
Manual p. 27

What F04 means

THE TEMPERATURE OF THE DISSIPATORS INSIDE THE UPS IS TOO HIGH p. 27

Common causes

  • THE TEMPERATURE OF THE DISSIPATORS INSIDE THE UPS IS TOO HIGH p. 27
  • Dissipator over temperature p. 27

What to do

  1. Check that the temperature of the environment in which the UPS is located does not exceed 40°C. p. 27

Before you service the product, read the safety instructions in the manual p. 26.

If F04 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 27 All Sentinel Dual error codes Manual details & download

This page summarises what the manufacturer’s manual says about F04; 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.