How to restart Easy UPS 3S after Emergency Power Off (EPO) activation?
Issue
How to restart Easy UPS 3S after Emergency Power Off (EPO) activation?
Product Line
Easy UPS 3S
Enviroment
- All Easy UPS 3S models
- All firmware versions
- EPO is configured in default mode (turns off rectifier, inverter, charger, and static bypass immediately)
Cause
The EPO button was pressed, shutting down power delivery for safety.
Resolution
Follow these steps to restore normal operation:
- Release the EPO button.
- Clear the alarm:
- Go to Function Settings (key icon) → Function → Clear Alarm → Confirm.
- Turn on the battery relay:
- Go to Battery Status Information (battery icon) → Battery Relay → On → Confirm.
- Wait 3–5 minutes for the inverter to turn on and the UPS to resume normal mode.
Important Notes:
- Ensure the emergency condition is resolved before restarting.
Released for: Schneider Electric UK
Need help?
Product Selector
Quickly and easily find the right products and accessories for your applications.
Get a Quote
Start your sales inquiry online and an expert will connect with you.
Where to buy?
Easily find the nearest Schneider Electric distributor in your location.
Help Centre
Find support resources for all your needs, in one place.