Modifications reserved Page 33/79OPM_SGS_USM_M40_M50_2US_V010.doc User Manual SG Series 400 & 500 UL S26.3.3 Messages listCode Message Meaning4002 WATCHDOG RESETThe microprocessor has detected an incorrect operation:Transfers the Load on Utility and performs a programreset.The Inverter will restart automatically and will supply theLoad.4108 Q4 OPEN The auxiliary contact indicates that the input rectifierswitch Q4 has been opened.4108 Q4 CLOSED The auxiliary contact indicates that the input rectifierswitch Q4 has been closed.4111 RECTIFIER UTILITY OK Rectifier Input Utility is again within the admitted tolerance(voltage, frequency and phase).4119 BATTERY TEST STARTED Start of Manual or Automatic Battery Test.4120 BATTERY TEST STOPPED End of Manual or Automatic Battery Test.4122 MANUAL BOOST CHARGE ON Start of Manual Boost charge (only for lead open wetbatteries).4123 AUTOMATIC BOOST CHARGEONStart of Automatic Boost charge (only for lead open wetbatteries).4124 BOOST CHARGE OFF End of Manual or Automatic Boost charge (only for leadopen wet batteries).4161 RECTIFIER ON Rectifier started.4162 RECTIFIER OFF Rectifier shutdown.4163 GENERATOR ONCustomer Interface Board (X1 - 11, 22) received a Gen-setON signal.Operating mode depend on setting of Parameters.4164 GENERATOR OFFCustomer Interface Board (X1 - 11, 22) received a Gen-setOFF signal.Function Bypass enabled depends on setting of parameter.4302 INVERTER CANNOT BE TURNEDONInverter cannot be switched on because one of thefollowing conditions is still present:- Over Temperature - K7 opening Failure- Low Battery Voltage - High Battery Voltage- Inverter Fuses - DC Low- Overload - EPO4303 INVERTER CANNOT BE TURNEDOFFInverter cannot be switched OFF, because the Load cannotbe switched to Utility (voltage out of tolerance, notsynchrony, BP blocked).4361 INVERTER ON The command to start the Inverter has been activated onthe control panel.4362 INVERTER OFFThe command to switch OFF the Inverter has beenactivated by the control panel or automatically for alarmpresence.4411 BYPASS UTILITY OK Bypass Input Utility is again within tolerance (voltage,frequency and phase).4500 COMMAND LOAD OFF Disconnection of the Load by opening K6 and K7 for:EPO / Load Off / Overload / Stop Operation.4521 NO BYPASS POWER With the Load supplied by Automatic Bypass, a UtilityFailure or K6 opening occurred.