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3. UPS Functional Descriptions
3.1 Front Panel Display
3.1.1 Tower > LED Panel (Standard)
LED Panel
Control Key
Symbol
Description
ON(Alarm Silence)
a. UPS Power-On Switch
(Press and hold until the buzzer beeps.)
b. Alarm silence
c. Error Code Display Function Mode
After an alarm, press to mute the alarm buzzer and
show an Error Code. (Do not hold for > 1 second.)
OFF
UPS Power-Off Switch
(Press and hold until the buzzer beeps.)
Self-Test
a. Commands the UPS to perform self-testing
(Press and hold until the buzzer beeps.)
b. Battery and Load Display Function Mode
(Do not hold for > 1 second.)
◎
Manual Bypass
+
Press the "ON" key and "Self-Test" key
simultaneously for three seconds to transfer from
"Inverter to Bypass" (The bypass LED will
continuously blink and the buzzer will beep
intermittently.) or "Bypass to Inverter" when the
UPS is in on-line mode and the Bypass Voltage
Window is Normal.
LED Indicator
Symbol
Description
