What to do if LEGRAND NUMERIC Onfiniti shows OVER LOAD on LCD and alarms?
If the OVER LOAD icon is flashing on the LCD display and the alarm is sounding twice every second, it means the UPS is overloaded. Remove some of the connected devices from the UPS output. It is also possible that after repetitive overloads, the UPS is locked in Bypass mode. In this case, remove excess loads, then shut down the UPS and restart it.
What to do if LEGRAND UPS fault code 43 is shown with OVER LOAD alarm?
If fault code 43 is displayed along with the OVER LOAD alarm, the UPS has automatically shut down due to an overload at the output. To resolve this, remove some of the connected devices to reduce the load on the UPS output and then restart the UPS.
What to do if LEGRAND NUMERIC Onfiniti UPS battery backup time is shorter than expected?
A shorter than expected battery backup time on your LEGRAND UPS can be caused by batteries that are not fully charged. Charge the batteries for at least 5 hours and then check capacity. It can also be caused by a faulty battery.
What to do if LEGRAND NUMERIC Onfiniti UPS fault code 14 is shown with SHORT alarm?
If fault code 14 is displayed along with the SHORT alarm, the UPS has automatically shut down because a short circuit occurred at the UPS output. Check the output wiring and the connected devices for a short circuit.
Why LEGRAND UPS has no indication or alarm when mains is normal?
If your LEGRAND UPS has no display or alarm even when the mains power is normal, it could be due to a poorly connected AC input power cord. Check if the input power cord is firmly connected to the mains. Another possible cause is that the AC input is incorrectly connected to the UPS output; ensure the AC input power cord is plugged into the AC input correctly.
What to do if LEGRAND NUMERIC Onfiniti UPS icons are flashing and alarming?
If the icons are flashing on the LCD display and the alarm is sounding every second on your LEGRAND UPS, the external or internal battery may be incorrectly connected. Check that all batteries are well connected.
Why is the LEGRAND UPS battery backup time shorter than expected?
The battery backup time may be shorter than expected because the batteries are not fully charged. Charge the batteries for at least 7 hours and then check their capacity. If the issue continues, it might be that the batteries are faulty and need replacement.
Guidelines for transporting the UPS system to prevent damage from shock and impact.
Instructions for preparing the UPS system for installation, including acclimatization.
Critical safety instructions for installing the UPS system and connecting loads.
Safety precautions and procedures for operating the UPS system.
Safety advice for maintenance, servicing, and handling UPS faults.
Identification of connectors and ports on the rear panel of the UPS.
Step-by-step guide for connecting and configuring the UPS system.
Detailed explanation of the functions for each button on the UPS.
Description of the UPS LCD display indicators, modes, and information.
Overview of UPS audible alarms and the conditions that trigger them.
Glossary of abbreviations and terms used on the UPS LCD display.
Configuration options and parameters for setting up the UPS.
Table detailing charging current settings based on battery configuration.
Explanation of different UPS operating modes and their corresponding LCD displays.
Reference guide for UPS fault codes, events, and indicators.
Identification of warning indicators, their icons, and associated alarms.
Information regarding UPS operation and battery replacement.
Guidelines for storing the UPS system in optimal conditions.
Procedures and environmental considerations for UPS and battery disposal.
Technical specifications for UPS models without an ISO transformer.
Technical specifications for UPS models equipped with an ISO transformer.
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General