What to do if my LEGRAND UPS shows a BATTERY DISCHARGE?
If your LEGRAND Power Supply is showing a BATTERY DISCHARGE, it means the battery is discharging due to a mains failure or a rectifier failure. Check which alarms are present and carry out the indicated procedures. If the alarm persists, contact our Technical Support Service.
What to do if my LEGRAND UPS displays a STOP TIMEOUT SC error?
If your LEGRAND Power Supply displays a STOP TIMEOUT SC error, it may be due to a short-circuit on the loads during a power failure or an inverter bridge fault, or a temporary current peak. Reset the system. If the alarm persists, contact our Technical Support Service.
What to do if my LEGRAND UPS Power Supply shows an INV OUT OF TOL error?
If your LEGRAND Power Supply displays an INV OUT OF TOL error, the inverter has shut down due to an alarm or inverter failure. Check which alarms are present and carry out the indicated procedures. If the alarm persists, contact our Technical Support Service.
How to resolve BYPASS WR SEQ error on LEGRAND UPS Power Supply?
If your LEGRAND Power Supply is showing a BYPASS WR SEQ error, it indicates a wrong connection of power cables. Check the phase rotation. If the alarm persists, contact our Technical Support Service.
What to do if my LEGRAND UPS shows BYPASS --> LOAD?
If your LEGRAND Power Supply displays BYPASS --> LOAD, it signifies a temporary changeover due to inverter failure. Verify the inverter status and check whether other alarms are present. If the alarm persists, contact our Technical Support Service.
What to do if my LEGRAND UPS displays a RETRANSFER BLOCK error?
If your LEGRAND Power Supply shows a RETRANSFER BLOCK error, it could be due to frequent changeovers caused by load in-rush currents or static switch problems. Reset the system and check the in-rush currents of the loads. If the alarm persists, contact our Technical Support Service.
Manual storage and accessibility instructions for technical documentation.
Contacting the manufacturer for more details if the manual is insufficient.
Safety instructions and precautions for electrical hazards.
Potential hazardous situations arising from UPS failure.
Precautions to avoid electrostatic discharge during operations.
Description of the UPS's on-line, double conversion typology.
Overview of the UPS system components.
UPS operates with all breakers closed except maintenance bypass.
Battery disconnected; rectifier at reduced voltage.
Isolate power components from AC supply, battery, or load.
Overview of the main LCD panel menus.
How to view recorded alarms and their details.
How alarms are displayed and recorded in the system.
Reference to another section for detailed alarm and status descriptions.
Warning about saving data before deleting alarms history.
Identifies UPS position in a parallel system.
Sets the Master/Slave role in parallel operation.
General| Brand | LEGRAND |
|---|---|
| Model | UPS |
| Category | Power Supply |
| Language | English |
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