Omron BU5002R Instruction Manual page 124

8 Troubleshooting
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124
Message
Output Charge displayed on
LCD (Note 2)
OFF Undefin Fault-ES
ed (note Output
3) short-circuit
ON Undefin Fault-EO
ed (note Overload stop
3)
ON Undefin Fault-E1
ed (note Output over vol.
3)
ON Undefin Fault-E2
ed (note Output under
3) vol.
ON Undefin Fault-E3
ed (note Batt.Over
3) Charge
ON Undefin Fault-E4
ed (note Batt.Under
3) Charge
ON Undefin Fault-E6
ed (note Over
3) temperature
ON Undefin Fault-E7
ed (note
3)
OFF OFF/dis Fault-E12
chargin Battery Over
g temp
Cause
Output has stopped due Check whether there is a short
to a short circuit on the circuit on the AC input of the
connected devices side connected devices, or whether the
or a major connection connected capacity is exceeding
capacity overload. the rated capacity.
The UPS switches to Turn off the power switches of all
bypass operation the devices connected to the UPS,
because of overload and after reducing the connected
(note 1). devices, turn on the power
switches of the UPS and the
connected devices.
The output voltage is Turn off the power switches of all
abnormal (high), so the the devices connected to the UPS,
UPS switches to bypass and turn on the power switch of the
operation (note 1). UPS only. If the displayed content
does not change, the UPS is faulty.
The output voltage is
Contact the shop of purchase.
abnormal (low), so the
Note: The output voltage can be
UPS switches to bypass
operation (note 1).
The charging voltage is
abnormal (high), so the
UPS switches to bypass
operation (note 1).
The charging voltage is
abnormal (low), so the
UPS switches to bypass
operation (note 1).
The internal temperature Check that the ambient
is abnormal, so the UPS temperature of the UPS is 40°C or
switches to bypass less. If the UPS is not used in a
operation (note 1). high temperature environment, the
UPS is faulty. Contact the shop of
purchase.
A breakdown of an The UPS is faulty, so contact the
internal component or shop of purchase.
internal circuit has been
detected, so the UPS
switches to bypass
operation. (note 1).
An abnormal battery The UPS is faulty, so contact the
temperature was shop of purchase.
detected during backup
operation. Output will
stop.
BU5002R/BU3002R/BU3002RH
Action
checked from the LCD Menu
by "1.Measurements"-
"Input/Output Meter". The
battery voltage can be
checked by
"1.Measurements" - "Battery
Meter".