
16
5.2 LCD description
The LCD backlight automatically dims after 2 minutes of inactivity (except when a
fault is present). Press any button to restore the screen.
The following table describes the status information provided by the UPS
Note: If other indicator appears, see troubleshooting for additional information.
Operation status
Cause
Description
Standby mode
The UPS is Off.
UPS is operating without output.
Online mode
The UPS is operating
normally.
The UPS is powered and protecting the
equipment.
Battery mode
1 beep every 4 seconds
A utility failure has
occurred and the UPS is
on Battery mode.
The UPS is powering the equipment with
battery power.
Prepare your equipment for shutdown.
Summary of Contents for C500
Page 10: ...2 2 Presentation Front panel ...
Page 13: ...5 Circuit diagram ...