Fault codeF11
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
- F11
- Type
- Fault code
- Source
- Manual p. 26
What F11 means
INPUT RELAY FAULTY p. 26
Common causes
What to do
- 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 F11 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 F11; 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.
