Xtreme Power Conversion Corporation
E90 Service Manual
Page 66
Uninterruptible Power Supply
33
No battery
Battery voltage lower than 50V
once/s
BAT
-
TERY
flash
34
Battery voltage
low
Battery voltage lower (EOD voltage*6*battery pcs)
once/s
BAT
-
TERY
flash
35
Low battery
pre-alarm
Battery EOD (battery pcs *6(SetJarNum) *1.5)
once/s
BAT
-
TERY
flash
36
Internal com
-
munication
error
Comm. Error
between Recti-
fier and Inv.
once/2s
Fault
flash
37
Inv. DC exces
-
sive
DC component average value is more than 2V last 2S
once/2s
INV
flash
38
Overload in
parallel
X phase load rate is more than total load rate of parallel system:
400ms
once/2s
INV
flash
39
Mains voltage
abnormal
Higher than
270V
Lower than
182V
once/2s
BAT
-
TERY
ON
40
Mains frequen-
cy abnormal
Higher than
70Hz
Lower than
38Hz
once/2s
BAT
-
TERY
ON
41
Bypass ultra
protection
Bypass power down and not available
BPS
flash
42
Bypass ultra
tracking
Bypass abnormal but powered, and bypass instantaneous nor-
mal, then change the Bypass to ultra tracking
BPS
flash
43
Start invalid
1) rectifier not start completely or start fault a) over-tempera-
ture b) fan fault c) SCR fault and shutdown d) bridge arm short
and shutdown e) power board fault f) software fail g) battery re-
verse and shutdown h) user operation fault(maint. Bypass close)
i) Auxiliary power power down and shutdown 2) manually start
invalid
44
Reserve
45
Inverter not on
46
Output switch
not ON
Once per
3 seconds