User Manual 200 kVA-1200 kVA UPS
Appendix 1 Alarm List
86
reversely
3.
Check whether sampling is normal;
4.
Check that dry contact settings are normal
328
Battery overvoltage
1.
Check whether the quantity of connected cells is out
of range
2.
Check whether the quantity of connected cells is
correct
3.
Check whether sampling circuit is abnormal
4.
Check whether program judgment condition is
reasonable.
311
Battery under-voltage alarm (DOD)
1.
Check whether the battery discharge voltage is
reached
2.
Check whether sampling is normal;
3.
Check whether DOD increase is set
4.
Check whether program judgment condition is
reasonable.
312
Battery EOD undervoltage
1.
Check whether voltage sampling is abnormal;
2.
Check whether the battery is aging and damaged
3.
Check whether the battery is fully discharged
4.
Check the program
333
Battery ground fault
Check the connection of the dry contact
300
Battery overtemperature
1.
Check whether the battery is over-temperature
2.
Check whether the monitoring sampling is normal;
3.
Check whether communication is abnormal between
the monitor and DSP;
4.
Check whether DSP processing is abnormal
320
Charger overvoltage
1.
Check whether the battery charging voltage
sampling is normal;
2.
Check the program
341
Overvoltage failure of charger
hardware
1.
Check whether the battery charging voltage
sampling is normal;
2.
Check whether CPLD judgment and DSP
communication are normal
3.
Check program control for exceptions
322
Charging over-current
1.
Check whether Hall is connected.
2.
Check whether sampling is abnormal.
3.
Check the program and the control are abnormal.
348
Charger over-temperature
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check the temperature calculation of the program
355/356
Wave-based current limit failure of
charger hardware (BAT1/BAT2)
1.
Check whether sampling is abnormal and the
terminals are loose
2.
Check whether CPLD judgment and DSP
communication are normal
Summary of Contents for EA990 Super
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