Section-804-3006_S8_OPM_ABB_DPA_UPSCALE_RI_10-80kW_EN_150316.doc Page 2/2 ABBModifications reserved8.1 TROUBLESHOOTINGWARNING!THE OPERATIONS DESCRIBED IN THIS CHAPTER MUST BEPERFORMED BY A SERVICE ENGINEER FROM THE MANUFACTUREROR FROM A AGENT CERTIFIED BY THE MANUFACTURER.8.1.1 AlarmsIn the event of an alarm condition the red LED-Indicator “Alarm” and the audible alarm will turn on.In this case proceed as follows:1. Silence the audible alarm by pressing the button "Reset".2. Identify the cause of the alarm condition by means of the EVENT LOG in the MAIN menu.3. In case of doubts please contact the nearest Service centre.4. Fault identification and rectification information is given on the following pages.8.1.2 Menu, Commands, Event Log And MeasurementsIn section 4 there is a detailed description of the Menu, Commands, Event Log and Measurements that can beoperated and displayed on the LCD. The List of Alarms and Messages are shown below.8.1.3 Fault Identification and RectificationThe major alarm conditions that will be encountered are:Alarm Condition Meaning Suggested SolutionMAINS RECT. FAULT Mains power supply is outside prescribedtolerance.The input power to UPS is too low or missing.If site power appears to be OK, check the input circuitbreakers etc. supplying the UPS.MAINS BYP FAULT Mains power supply is outside prescribedtolerance.The input power to UPS is too low or missing.If site power appears to be OK, check the input circuitbreakers etc. supplying the UPS.OUTPUT SHORT There is a short circuit at the output ofUPS (on load side). Check all output connections and repair as required.OVERLOAD Load exceeds the UPS rated power.Identify which piece of equipment is causing the overloadand remove it from the UPS.Do not connect laser printers, photocopiers, electricheaters, kettles etc. to the UPS.TEMPERATURE HIGH UPS temperature has exceeded theallowed value.Check that the ambient temperature of the UPS is lessthan 40° C.If the ambient temperature is normal call the certifiedservice centre for assistance.INV. PHASE FAULT Inverter is faulty. Call the certified service centre for assistance.SYNCHRON. FAULT The inverter and mains are notsynchronised.The frequency of the input voltage to the UPS is outsideoperational limits and the UPS static bypass has beentemporarily disabled.BATTERY INDISCHARGE Battery is near end of autonomy. Shutdown load connected to UPS before the UPSswitches itself off to protect its batteries.MANUAL BYP ISCLOSEDMaintenance Bypass closed. Loadsupplied by mains.This alarm is only displayed if the UPS is onMaintenance Bypass.In case of alarms not included in the list above, please contact the nearest certified service centre for assistance.