Troubleshooting
35
Warning code informing:
Warning code
Warning name
Solutions
200
Parallel cables error
Check if all parallel communication cables are
connected correctly
202
Battery reversed
Check if battery cables are connected correctly
Check if inverter cables of battery packs are
connected correctly
203
Overload
Remove non-critical devices to reduce the loads
connected to UPS.
204
No battery
Check if the battery cables are connected correctly
Check battery breaker or fuses are opened
Check if batteries are damaged
205
Input over current
Check if rectifier IGBT is broken, DC bus is shorted,
or IGBT drivers are lost, input voltage display is
wrong.
206
Battery overcharged
Switch off battery breaker, remove devices
connected to UPS, shutdown UPS, and replace new
charger.
208
Charger fail
Charger is faulty or is not disconnected. Please
contact with local dealer
209
EEPROM fault
Clean the warning by LCD panel or using debug
software. Or shutdown UPS and startup again.
210
Input over current time out
Check the input voltage is abnormal
211
Battery voltage low
Remove non-critical devices and charge the battery
as soon as possible.
214
Synchronize signal loss
Check whether the parallel wire connecting and
parallel boards are abnormal or not.
215
CAN communication fail
Check whether the parallel wire connecting and
parallel boardsare abnormal or not.
217
Bypass fault
Check whether bypass voltage is normal or not.
220
Over synchronization
Bypass voltage or frequency is over tracking range.
There could be interruption if manually transfer to
bypass or inverter is faulty
221
Over transfer times
Mains and battery or inverter and bypass transfer for
5 times in 1hour
222
End of discharge
Charge the battery as soon as possible.
223
Battery test ok
224
Forbidden startup UPS
Check whether mains voltage and frequency is
normal or not.
225
Battery test is abnormal
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