Riello Sentinel Dual Error L10: INPUT RELAY FAULTY

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

Fault codeL10

The input relay is faulty and needs replacement or repair. The manual's first action is: “Switch off and disconnect the UPS from the power supply and contact the support centre.”

Model
Riello Sentinel Dual
Display shows
INPUT RELAY FAULTY (L10)
Type
Fault code
Source
Manual p. 26

What L10 means

INPUT RELAY FAULTY p. 26

Common causes

  • INPUT RELAY FAULTY p. 26

What to do

  1. Switch off and disconnect the UPS from the power supply and contact the support centre. p. 26

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

If L10 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 26 All Sentinel Dual error codes Manual details & download

This page summarises what the manufacturer’s manual says about L10; 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.