User Manual 200 kVA-1200 kVA UPS
Appendix 1 Alarm List
87
316/317
Wave-based current limit alarm of
charger (BAT1/BAT2)
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check whether CPLD judgment and DSP
communication are normal
319
Instantaneous over-current of
charger (software)
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check whether charge control is reasonable.
335
Soft starting failure of charger
1.
Check whether the charging voltage sampling line is
connected wrongly or reversely;
2.
Check whether sampling is normal
3.
Check whether CPLD is normal
4.
Check whether DSP is reasonable.
432/433
Quick over-current of balance bridge
arm
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check whether DSP judgment is reasonable.
434/435
Over-current of balance bridge arm
(BAT1/BAT2)
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check whether DSP judgment is reasonable.
438/439
Wave-based current limit failure of
balance bridge arm hardware
(BAT1/BAT2)
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check whether CPLD judgment and DSP
communication are normal
436/437
Wave-based current limit alarm of
balance bridge arm hardware
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check whether CPLD judgment and DSP
communication are normal
526/527
Over-temperature of balance bridge
arm
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check the temperature calculation of the program
1081
POWEROK failure
1.
Use the oscilloscope to test whether the POWEROK
signal transmitted to CPLD is normal;
1025
Fan failure
1.
Check that all fans are working properly
1033
E2PROM reading and writing failure 1.
Contact the engineer
1034
DSP and CPLD communication
failure
1.
Observe whether the breathing lamp of DSP is
normal
1028
Control CAN communication failure 1.
Check whether the control CAN wiring is normal;
1029
Monitor CAN communication failure
1.
Check whether the control CAN wiring is normal;
2.
Check if ID of each module conflicts
1076
SPI communication failure between
rectifier and inverter
1.
Observe whether breathing lamps of the rectifier
DSP and inverter DSP are normal;
2.
Check whether the program of the rectifier and the
inverter is upgraded.
1030
CPLD software version error
1.
Contact the engineer
Summary of Contents for EA990 Super
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