Inspection and Maintenance
35
§
§
9
9
.
.
3
3
R
R
e
e
s
s
e
e
t
t
t
t
i
i
n
n
g
g
t
t
h
h
e
e
M
M
a
a
i
i
n
n
B
B
r
r
e
e
a
a
k
k
e
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r
r
If the total capacity of the load devices connected to the UPS exceeds the rated capacity of the UPS, the UPS enters the
overload state and the main breaker
MAIN MCCB
of the UPS Unit control panel trips. If the main breaker trips, output
stops. Follow the procedure below to reset the breaker. After the reset, restore normal operation.
①
Check that there is no abnormality with the connected load devices, and reduce the load capacity.
②
Set the main breaker on the UPS Unit control panel to ON.
③
Check that the display on the LCD panel and UPS Unit control panel is as shown in step
④
of "§8.1 Starting the
UPS."
Set the main breaker
MAIN MCCB
to ON.
Red
:
On Off
Red
:
On Off
BYPASS
Byp Fuse Error
- ONLINE -
****
Tripped state
After reset
Tripped state After reset
Tripped state After reset
