GE 750 UL S2 User Manual

Also see for SG Series: Installation guide Datasheet Use and care manual Installation guide User manual

Modifications reserved Page 30/71OPM_SGS_USM_M75_M75_2US_V010.doc User Manual SG Series 750 UL S2 & SG Series 750 T12 UL S2Code Alarms Meaning4106 RECTIFIER TRANSFORMEROVERTEMPERATUREThe temperature sensor inside the input transformerwinding indicates over temperature.Only the alarm is given.The Rectifier, when in Off state, cannot start as long asthis condition persists.4110 RECTIFIER UTILITY OUTOF TOLERANCERectifier Input Utility is out of tolerance (voltage,frequency or phase).4115 LOW BATTERY VOLTAGEThe Battery has been discharged and reached “stopoperation” time-out (default 3 minutes), and the Inverterwill be shut down.It will restart automatically only when the Battery hasrecharged enough for a minimum runtime.4116 HIGH BATTERY VOLTAGEDangerous high DC Voltage caused Inverter shutdown.Inverter restarts automatically after Battery returns tofloating voltage.4117 BATTERY EARTH FAULT A leakage current to earth has been detected on the DCcircuit.4118 BATTERY FAULTDuring battery test the voltage falls under the criticallevel (depending setting parameters).Battery test is stopped.4121 HIGH DC RIPPLEThere is a high voltage ripple on the DC Bus.Rectifier might be working in current limiting mode.Decrease the load to stabilize DC Bus.4130 TURN ON RECT.OR SHUTDOWN UPSRectifier and Inverter are OFF.The DC Power Supply is discharging the Battery.Rectifier must be restarted or Battery must bedisconnected in order to avoid damage.4140 RECTIFIER CONTROL FAILURERectifier Voltage hasn’t reached the set value (probablyfault on regulation loop).LED Rectifier on control panel is blinking.4165 INPUT FILTER FAILUREAn unbalancing on the three-phase current absorbedby the input harmonic filters 5th or 11th is detectedcausing the opening of the contactors C50 or C110.The reset alarm can be done only from Service Center.4301 INVERTER FUSES FAILUREInverter Output Fuses blown (F5, F6 and F7).Inverter can be started manually after replacement ofthe fuses.4304 K7 CLOSING FAILUREK7 not closed despite a closing command being issued.Signaled by auxiliary contact.Load will be supplied by Utility.4305 K7 OPENING FAILUREK7 not open despite an opening command beingissued.Signaled by auxiliary contact.Load will be supplied by Utility.4307 INVERTER TRANSFORMEROVERTEMPERATUREThe temperature sensor of the Inverter Transformerindicates over temperature.Elapsed “stop operation” time, Inverter shutdown.With Utility OK, Load is transferred on Utility.4308 DC FUSES FAILURE Blown input DC fuse(s) F1 of the Inverter.Inverter cannot be started as long as present.