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Heather AdamsSep 12, 2025
What to do if Riello VSD 1100 beeps and shows F60, L05, L07, L13, L20, L21, L40, L41, L42, L43?
- JJillian CookSep 12, 2025
If the buzzer sounds continuously and the display shows codes F60, L05, L07, L13, L20, L21, L40, L41, L42, or L43 on your Riello UPS, the UPS is malfunctioning. If possible, disconnect the power to the load, switch the UPS off and back on again. If the problem persists, call the support center.









