C750 & C750R User
Manual Page 55
Inverter Soft start Fail
UPS internal fault
Consult dealer.
Inverter Overload Fault
Overload
Check the loads and remove some noncritical loads;
Check if some loads are failed
Output Overload Fault
Byp Overload Fault
Inverter Capacity Open
UPS internal fault
Consult dealer
Primary SPS Fail
UPS internal fault
Consult dealer
Assist SPS Fail
Emergency Off
Perform emergency
shutdown
Check the status of RPO terminal
Internal Over Temp Fault
Inside temperature of UPS is
too high
Check the ventilation of UPS and the ambient
temperature
Byp SCR Over Temp
Charger Over Temp Fault
UPS Ambient Over Temp
The ambient temperature is
too high
Check the environment ventilation
Fan Lock
Fan abnormal
Check if the fan is running normally or fan detection
cable disconnected
ESS Fan lock
Model Setting Wrong
Wrong work mode
Consult dealer
Neg Power Fault
Negative power fault
Consult dealer
Para. Cable Lost
The cable is not connected Please confirm the connection status of the parallel cable
Para. Incompatible
Para setting different
Please check the parallel settings, if it still alarms, please
consult dealer.
IoT disconnected
IoT is disabled
Enable IoT function in LCD
Others
Please refer to Winpower View app help file
9. SPECIFICATIONS
9.1 UPS BLOCK DESIGN