Delta Ultron Series User Manual page 27

Table 2-1: Tri-color LED Indicator, UPS Operation Mode & Buzzer
Tri-color LED
Status
Indicator
Green
Yellow
Red
• Indicates the UPS is operating in one of the following
modes:
UPS Operation Mode
ON
On-Line Mode
ECO Mode
Frequency Conversion
Mode
• Indicates the UPS is operating in one of the following
modes:
UPS Operation Mode
Bypass Mode
Battery Mode
Standby Mode
ON
Softstart Mode
• Indicates a warning message:
Warning Level
Minor
Medium
• Indicates a warning message
Warning Level
ON
Major
Meaning
Text on the LCD Screen
(upper-right corner)
'On-Line'
'ECO'
'Frequency Conversion'
Text on the LCD Screen
(upper-right corner)
'Bypass'
'Battery'
'Standby'
'Softstart'
Sounds for 0.5 second
every 3 seconds.
Sounds for 0.5 second
every second.
Long beep.
27
Buzzer Frequency
Buzzer Frequency