Cold start ON/OFF setting → Page 39
• During operation, the battery is charged automatically.
●
When the power switch is OFF and the AC input plug is connected to a
commercial power supply:
(Turn ON the INPUT PROTECTION switch (input overcurrent protection switch) on the back of the
BU200RW/BU300RW.)
• The details of the most recent error are displayed. (item 4 on page 31)
• The status indicator displays "
".
• Power output is stopped.
• The battery automatically starts recharging.
●
Start procedure
Turn on the power switch of the UPS.
• Output begins in Bypass Mode about 5 seconds after the switch is activated. (Status indicator “
“)
However, “
“ is displayed at cold start, and output begins in Battery Mode.
• The status indicator displays “
“, and the self-diagnostic test is performed in Battery Mode
for about 10 seconds. (If the battery voltage is low, the self-diagnostic test is not performed. It is
automatically executed after the battery is charged.)
1. When the self-diagnostic test fi nishes successfully, switching to AC output from commercial
power is performed and normal operation starts.
2. Self-diagnostic test is not performed at cold start.
• When the self-diagnosis test fi nishes normally, the unit switches to AC output via commercial
power and enters the normal operating state through inverter operation.
• When the self-diagnostic test is not performed, AC output begins immediately via commercial
power.
ON
OFF
ON
OFF
ON
OFF
ON
OFF
Commercial Power
Battery
Bypass
Inverter
Commercial Power
Battery
D-1
<Note>
D-1 : The most recently displayed error code (refer to item 4 on page 31)
(If no errors have occurred, " " is displayed.)
Commercial
operation
AC input
7 seg.
Power supply SW
Power supply
output lamp
Bypass operation
lamp
Operating mode
Operating mode
Output
Startup
preparation
about
5 sec.
about
10 sec.
about
2 to 3 sec.
Bypass
mode
Self-diagnostic
test
1 sec.
To Next Page
Loading...
