SKP-500A/700A SERVICE MANUAL V1.0
2 /6
(1) PANELS EXPLAIN
Front Panel
n
“ON/TEST” button:
With the UPS plugged in, press the ON/TEST button to turn on the UPS
and power the loads. ON/TEST button also activates the UPS‘s self-test function and silence the
buzzer when working at backup mode.
o
“OFF” button:
Press the OFF button to turn off the UPS and the loads.
p
“BOOST AVR (VOLTAGE BOOST)” indicator (YELLOW LED):
The LED illuminates
when the UPS is correcting a lower utility voltage input. The loads would receive steady and
correct power from the UPS.
q
“BUCK AVR (VOLTAGE REDUCTION)” indicator (YELLOW LED):
The LED
illuminates when the UPS is correcting a higher utility voltage input. The loads would receive
steady power from UPS.
r
“OVERLOAD / REPLACE BATTERY” indicator (RED LED):
The LED flashes when the
loads connected to the UPS exceed the UPS‘s capacity, and bright steady when the UPS‘s battery is
no longer useful and must be replaced..
s
“BACK UP” indicator (YELLOW LED):
The LED illuminates when the UPS is supplying
battery power to the loads
t
“LINE NORMAL” indicator (GREEN LED):
The LED illuminate when the line input
voltage is normal.
u
“LOAD LEVEL / BATTERY CAPACITY” bar graph:
When line normal, the LED bar
shows the load level. When back up mode, it shows the battery capacity.