9 Troubleshooting
9-1 Troubleshooting
BU150R
97
9
9 Troubleshooting
Perform the checks shown below if the unit is operating abnormally.
If the unit continues to operate abnormally, please contact our Electronic Systems &
Equipments Customer Support Center.
9-1 Troubleshooting
Problem
Check and remedy
The LED does not
appear when the AC
input is connected to
commercial power and
the “Power” switch is
turned ON.
1. Make sure the AC input is securely connected to commercial power.
2. AC input overcurrent protection is activated and power is cut.
●
If the black INPUT PROTECTION button pops up, there are too many
connected devices or there was a short-circuit with the connected devices.
Disconnect all the connected devices, press the black INPUT PROTECTION
switch (overcurrent protection switch), and turn on the “Power” switch.
●
If the status indicator does not display properly after you perform the
above operation, there is a problem with the unit.
(See “3-4 Interpreting beeps and displays” ( P.46 ) )
Backup is not
possible. The
computer stops when
a power failure occurs.
The battery may not be fully charged.
Perform the test after charging the battery for at least 8 hours. The battery
can be charged just by connecting the AC input to a wall outlet. The “Power”
switch can be either ON or OFF.
Backup is performed
too frequently.
Frequent switching is
performed although a
power failure does not
occur.
You hear the sound of
switching.
Variations (decrease) in the input power occur frequently. Or, noise may be
included that significantly distorts the voltage waveform of the input power.
●
Try and check what happens when connecting the unit to a different wall
outlet (commercial power) located some distance away from the device
consuming a large amount of power.
●
This problem may occur also when you connect many devices to a plug
strip or extension cord connected to the UPS if it is a long or thin cable.
Does not turn ON
when “Power” switch
is pressed.
The unit does not start up when the input power supply voltage/frequency is
abnormal. (The status indicator displays “H-”, “-H”, “L-”, “-L”, “HH” or “LL”.)
Check the voltage and frequency of the input power supply.
See also “3-4 Interpreting beeps and displays” ( P.46 ),
The battery
replacement lamp
blinks or is lit, and the
buzzer beeps every
two seconds
continuously.
・
Battery replacement lamp blinks: The battery is judged to be deteriorated
in the self-diagnosis test. Backup operation lasts only for a short period of
time. Replace the battery.
( Refer to “4-1-2 Self-diagnosis test” (P.61) )
・
Battery replacement lamp is lit: The battery life counter has counted up to
the limit. The battery has been used up to its end-of-life. Replace the
battery.
(Refer to"4-2-1 Notification that the battery needs to be replaced" (P.66).)
The status indicator
shows
“
”, and the
beeper sounds at
0.5-second intervals.
There are too many connected devices. Reduce the number of connected
devices until “ ” is displayed on the status indicator. See also “3-4
Summary of Contents for BU150R
Page 22: ...2 Installation and connection 2 1 Installation BU150R 22 Incorrect Positions...
Page 92: ...7 How to use option cards 7 3 SNMP Web card BU150R 92 7 3 SNMP Web card LAN 10 100...
Page 102: ...10 References 10 2 Dimensions BU150R 102 Stand for vertical layput 200 200 70 50 70 50...
Page 103: ...10 References 10 2 Dimensions BU150R 103 10 Rubber feet 23 25 405 50 40 358 40 3...
Page 104: ...10 References 10 2 Dimensions BU150R 104 Using Ear brackets 44 5 22 0 13 5 455 25 465...