C400 User Manual
Page 13
UPS SHUTDOWN WITH MAINS POWER
When in Bypass UPS output voltage is still present!
To shutdown the UPS with mains power:
1.
Press the
“
OFF
”
button for 1 second.
2.
After that, the UPS will transfer to bypass mode immediately
and display “
byPA
” on the LCD
.
3.
In order to cut off the UPS output remove the mains power supply. A few seconds later the LCD will shut
down and no output power is available from the UPS output terminal.
UPS SHUTDOWN WITHOUT MAINS POWER
To shutdown the UPS without mains power:
1.
Power off the UPS by pressing the
“
OFF
”
button for 1 second, the buzzer will beep for 300ms
and “STbY” will
be displayed on the LCD at which point the UPS output will stop.
2.
A few seconds later the LCD display will power off.
C400 SERIES OPERATION
FRONT PANEL
The CertaUPS C400 has a four-button user interface and a graphical LCD. It provides useful information about the
UPS itself, load status, events, measurements and settings. In the event of a critical alarm, the LCD backlight will
illuminate red.
DISPLAY FUNCTIONS
The following table shows the function of each of the buttons:
BUTTON
FUNCTION
DESCRIPTION
ON/Silence
Button
Power on
When the unit has no mains power and batteries
connected, press for >100ms to power on
Turn on
When the unit is powered on and in Standby mode, press
this button for >1s to turn on
Battery test
By pressing this Button the UPS can do a battery test within
Line mode, ECO mode or CVCF mode
Silence alarm
Pressing the button for <1s will mute/unmute any alarms
OFF
Button
Turn off
When mains power is normal, the UPS system switches to
Bypass mode when pressed
Clear fault
By pressing this button, the UPS can clear fault mode and
EPO status
Select
Button
Scroll down
The select Button allows configurable options to be
selected.
Enter
Button
Confirm
selection
Allows confirmation of options displayed via Select button
IF AN ERROR CODE APPEARS PLEASE REFER TO THE ALARMS AND FAULTS SECTION OF THE MANUAL PAGE 29 OR
CONTACT YOUR CertaUPS REPRESENTIVE
