3 Checking and starting the operation
3-1 Names and functions of each part of the operation and display sections
BU5002R/BU3002R/BU3002RH
71
3
○: ON, ●: OFF
UPS
status
Icon
Symbol
Buzzer Output Charge
Text
displayed
on top
Description
Solution
Internal
temper
ature
fault
○
(Note
1)
○
(Note
1)
●
Continu
ous
ON
or
OFF
ON
or
Discha
rging
Fault-E6
The internal
temperature is
abnormal, and
thus if the
operation of UPS
is continued, it is
switched to
bypass operation
in the case of
normal operation,
and output stops
in the case of
backup operation.
Check that the
ambient temperature
of the UPS is 40°C or
less.
Breakd
own of
the
UPS
●
●
●
Continu
ous
ON
or
OFF
ON
or
Discha
rging
Fault-E7
A breakdown of
the UPS has
occurred.
Turn ON only the
power switch again.
If the displayed
content does not
change, the UPS is
faulty. Contact the
shop of purchase.
Fan
fault
○
(Note
1)
○
(Note
1)
●
Intermitt
ent,
at
intervals
of 0.5
seconds
ON
or
OFF
ON
or
Discha
rging
Fault-E8
There is a fault in
the front suction
fan or rear cooling
fan, and thus if the
operation of UPS
is continued, it is
switched to
bypass operation
in the case of
normal operation,
and output stops
in the case of
backup operation.
Check that there is
nothing obstructing
rotation of the fan. If
the rear fan is not
rotating, replace the
fan. If the front fan is
not rotating, the UPS
is faulty. Contact the
shop of purchase.
UPS
life
○
(Note
1)
○
(Note
1)
●
Intermitt
ent,
at
intervals
of 0.2
seconds
ON
or
OFF
ON
or
Discha
rging
Fault-E1
3
The life of the UPS
has expired.
Replace the UPS.
