Table of Contents
Advertisement
Problem
Buzzer
None
・The UPS
cannot be
powered on.
・Power is not
output to the
secondary side
(connected
device side).
・No response
even when the
power switch is
None
pressed.
Unable to back
None
up
The connected
2-second
devices stop
intermittent
when a power
sound
outage occurs.
An error occurs
4-second
in power
intermittent
recovery after a
sound
power outage.
The sound of the
None
fan became
annoying (the
rotation speed
increased).
None
・Clicking noise
occurs.
・Clicking noise
is originating
from the UPS,
though a
power outage
does not occur.
Note 1: Commercial power is output as-is during bypass operation. When the mode cannot shift to bypass
operation, or when a power outage (AC input turned OFF) occurs during bypass operation, output stops.
Note 2: A maximum of two types of messages may be displayed alternately on the LCD.
Note 3: The output (charging, LCD display message) is different depending on the situation.
BL50T/BL75T/BL100T
LCD displayed
Output
Charge
message (Note 2)
OFF
ON
AC input error-VH
AC input error-VL
AC input error-FH
AC input error-FL
OFF
ON
Remote signal stopped The remote ON/OFF terminal has a
ON
ON
bE
ON
ON
Fault-E10
(Battery Replace
LED lit)
ON
OFF
Fault-E12
Undefined
Undefined
Undefined (Note 3)
(Note 3)
(Note 3)
ON
ON
AVR mode
8 If you suspect a problem...
8-1 If you suspect a problem...
Cause
The input voltage or frequency is low
Select [Measurement] - [Input and
or high.
Output] and check the
voltage/frequency of the input power
supply.
Refer to "6 Using the contact I/O
short-circuit or the setting for "Remote
functions".
ON/OFF Logic" on the LCD menu is
changed to "OFF when opened".
Undercharged
Connect the UPS to commercial power
and charge it for 4 hours or longer.
Battery deterioration is detected.
Hold down the "ESC" switch for 0.5
seconds or longer to stop the buzzer.
Replace the battery.
Get an optional replacement battery,
and you can replace the battery on
your own.
An abnormal battery temperature is
Wait until the battery temperature
detected.
drops.
The fan operates in high-speed mode
Wait until the condition for running in
in any of the following states.
high-speed mode is released.
1) When in backup operation
2) When AVR (automatic voltage
regulator) is running
The input power is fluctuating
Check the environment in which the
frequently or noise that can distort the
UPS is installed.
wave form of the input power is
(Such as whether a thin extension
contained.
cable is used and whether the UPS
and a device with large power
consumption are connected to the
same commercial power supply outlet.)
Action
8
77
Advertisement
Table of Contents
