Omron BU100RS Instruction Manual page 54

28
bypass
29
bypass
30
bypass
31
bypass
32
bypass
33
Note 1: In bypass operation, commercial power is output directly. Output stops when a power failure
(AC input OFF) occurs in bypass operation.
Note 2: The displays and operations vary according to the status.
Note 3: Devices such as dryers, some solenoid valves, etc., which have a half-wave rectifier.
Note 4: Fan replacement does not comply with UL standard.
BU100RS
3 Check and start operation
Stopped charging due
to abnormal rise in
battery charge voltage.
When the battery
OFF
Continuous
discharges, bypass
output is performed.
(The display disappears
completely.)
Stopped charging due
to abnormal drop in
battery charge voltage.
When the battery
OFF
Continuous
discharges, bypass
output is performed.
(The display disappears
completely.)
Moved to bypass
operation due to
---
problem with the
Continuous
(Note 2)
internal temperature
(Note 1).
Moved to bypass
--- operation due to
Continuous
(Note 2) problem with the DC
Bus voltage .(Note 1).
Moved to bypass
operation due to
---
problem with the half
Continuous
(Note 2)
wave rectification load
(Note 1) (Note 3)
---
External Fan Error.
Continuous
(Note 2)
3-4 Interpreting beeps and displays
There is a problem with
this unit. Please apply
the repair.
The cause might be
high ambient
temperature of the unit.
Please check the
ambient temperature of
the UPS.
If it is over 40 degree,
please lower the
ambient temperature.
Turn OFF this unit and
all connected devices,
then turn ON for this unit
only.
If the temperature is
under 40 degree C,
there is a problem with
this unit. Please apply
the repair.
Refer to the No.26 and
27.
Please replace the
external cooling fan.
(Reference) page 69 to
71. (note 4)
3
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