Operation Manual - Critical Power Supplies

Anomaly: “minor” problems that do not bring the UPS to a halt but affect its performance or inhibit the use of some ofits functions.CODEDESCRIPTIONA03Inverter DesynchronizedA04External synchronism failedA05Overvoltage on input line of Phase1A06Overvoltage on input line of Phase2A07Overvoltage on input line of Phase3A08Undervoltage on input line of Phase1A09Undervoltage on input line of Phase2A10Undervoltage on input line of Phase3A11Input frequency outside tolerance limitsA13Voltage on bypass line of Phase1 outside tolerance limitsA14Voltage on bypass line of Phase2 outside tolerance limitsA15Voltage on bypass line of Phase3 outside tolerance limitsA16Bypass frequency outside tolerance limitsA18Voltage on bypass line out of rangeA19 Overcurrent peak on output Phase 1A20Overcurrent peak on output Phase2A21 Overcurrent peak on output Phase 3A22Load on Phase1 > user-defined thresholdA23Load on Phase2 > user-defined thresholdA24Load on Phase3 > user-defined thresholdA25Output isolator openA26Positive branch batteries missing or battery fuses openA27Negative branch batteries missing or battery fuses openA29System temperature probe faultyA30 System temperature < 0°CA31System temperature too highA32 Temperature of heat sink 1 < 0°CA33 Temperature of heat sink 2 < 0°CA34 Temperature of heat sink 3 < 0°CA35Internal battery temperature probe faultyA36Internal battery overtemperatureA37External battery temperature probe faultyA38External battery overtemperatureA39Positive branch batteries to be replacedA40Negative branch batteries to be replaced