Eaton 9SX Series Manual

Also see for 9SX 15KPMAU Series: Manual User manual

1179. TroubleshootingIf the UPS is not working properly, please read the fault description form andcontact the supplier, and please provide the following information:1. Product model, serial number;2. Fault date; 3. Description of the faultFaultnum Fault name Possible cause Solution107 Input line reversed Input L N line reversed Confirm the input connectionNo ground Confirm the ground connection120 N line loss N line not connected Confirm the N line connection63F Positive battery is notconnectedBattery not connectedCheck the battery and batterycable. If the battery isdamaged, please replace itimmediately by professionalperson642 Negative battery isnot connected641 Positive battery lowvoltage Battery voltage lowCheck the battery, If the batteryis damaged, Replace itimmediately by professionalperson644 Negative battery lowvoltage646 Positive batteryovercharge Battery voltage highCheck the battery and charger,If the battery is damaged,Replace it immediately byprofessional person648 Negative batteryovercharge645 Positive charger fault UPS charger fault Please contact your supplier647 Negative charger fault640 Positive batterynumber incorrect The number of batteriesis incorrect Please contact your supplier643 Negative batterynumber incorrect300 Positive Bus high Positive Bus voltage high Please contact your supplier301 Negative Bus high Negative Bus voltagehigh Please contact your supplier302 Positive Bus low Positive Bus voltage low Please contact your supplier303 Negative Bus low Negative Bus voltagelow Please contact your supplier304 Bus imbalance Bus imbalance Please contact your supplier308 Bus short Bus short Please contact your supplier