Table of Contents
Advertisement
Inspection and Maintenance
§
9
.
2
B
a
§
9
.
2
B
a
Test the batteries. You can do this without stopping the load devices connected to the UPS.
When the UPS is shipped from the factory, it is set up to perform an automatic battery test once every 180
days. To change the schedule of the automatic battery test, see §3.14 "Setting Battery Test Schedule" in
LCD Panel Operating Manual
the
If the UPS has performed a backup operation within 12 hours prior to the test, the result may show an
error. In such a case, conduct the test again when the UPS has not performed a backup operation within
the last 12 hours.
To perform a manual backup test:
§
9
.
3
R
e
§
9
.
3
R
e
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 trips.
If the main breaker is tripped, the power supply 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 unit control panel to "ON."
③ Check that the state of the display on the LCD panel and unit control panel is as shown in step ④ of
§8.1 "UPS Startup."
Tripped state
BYPASS
Byp Fuse Error
After reset
- ONLINE -
****
33
t
t
e
r
y
T
e
s
t
t
t
e
r
y
T
e
s
t
.
See §4.1 "Running Battery Test" in the
s
e
t
t
i
n
g
M
a
i
n
B
s
e
t
t
i
n
g
M
a
i
n
B
LCD Panel Operating Manual
r
e
a
k
e
r
r
e
a
k
e
r
Tripped state
After reset
Red: Lit
Off
.
Tripped state
After reset
Red: Lit
Off
② Set this to "ON"
Advertisement
Table of Contents
