1.877.377.6769
Fax: 909.930.3335
Title:
Plus
Doc No.:
074-2000-00
Rev: A
Page#: - 39 -
Description:
Online Emergency Lighting Inverter Maintenance Manual
Date: 12/07/2015
Fault Instructions
Fault
Indicator Display
Instructions
Charger abnormity
1# indicator shine
When battery voltage
﹤
240V and CHG control signal is on,
give alarm if battery voltage doesn’t increase at 1 hour.
Overload
1#
，
2# indicators shine
1
．
Line inverter mode 105%
～
130
％
overload, turn to bypass
after 10 mins;
2
．
Line inverter mode
＞
130% load, turn to bypass immediate-
ly;
3
．
Bypass mode 130% load, cut off output after 1 min , give an
alarm
4
．
Battery mode 105%
～
130
％
load, give an alarm after 10
seconds and cut off output.
5
．
Battery mode more than 130% load, alarm immediately and
cut off output.
Battery SCR de-
stroyed
1#
，
3#
，
6# indicators shine
Battery voltage
＞
300V
Parallel communica-
tion abnormity
1#
，
2#
，
3#
，
6# indicators
shine
Parallel UPS communication interrupted
Bus abnormity
1#
，
4# indicators shine
Sense condition
：
PFC ON
1
．
+Bus voltage higher than 450V or - Bus voltage lower than -
450V for 80 ms.
2
．
+Bus voltage higher than 400V or - Bus voltage lower than -
400 V for 1.5 ms.
3
．
+Bus voltage lower than 230V or - Bus voltage higher than -
230V for 1.5 ms.
4
．
+Bus and - Bus absolute value difference more than 40V for
2 mins.
5
．
PFC IGBT fault
Inverter Fault
1#
，
5# indicator shine
Sense condition
：
PWM ON
1
．
Inverter voltage higher than 276V or lower than 140 V for
128 ms
Inverter output short 1#
，
2#
，
5# indicator shine
Inverter output voltage
﹤
50V, output current
＞
10A more than
3 periods.
Temperature too high 1#
，
6# indicator shine
Sense that PSDR PCB radiator’s temperature higher than 75
℃
Inverter relay short
1#
，
4#
，
6# indicator shine
After Bus voltage has increased , PWM sense inverter voltage
＞
80 V
Communication ab-
normity
1#
，
3#
，
4# indicator shine
Bosom CPU can’t set up communication
Fan abnormity
1#
，
2#
，
6# indicator shine
Sense fan signal abnormity
Inverter bypass short 1#
，
2#
，
3#
，
4# indicator
shine
Sense the power of inverter more than minus 800W
