Operation Manual - Critical Power Supplies

PROBLEM POSSIBLE CAUSE SOLUTIONTHE DISPLAY SHOWSONE OR MORE OF THEFOLLOWING CODES:A13, A14, A15PROTECTIVE DEVICEUPSTREAM FROM THEBYPASS LINE OPEN (ONLY IFBYPASS IS SEPARATE)BYPASS ISOLATOR OPEN(SWBYP ONLY IF BYPASS ISSEPARATE)Reset the protective device upstream. WARNING:check that there is no overload or short circuit at theoutput of the UPSClose the isolator situated behind the door.THE DISPLAY SHOWSONE OR MORE OF THEFOLLOWING CODES:F19, F20BATTERY CHARGER FAULTOpen the battery fuse holders (SWBATT), insert themaintenance bypass (SWMB) and shut down the UPScompletely. Switch on again and if the fault persists,contact the nearest technical support centre.THE DISPLAY SHOWSONE OR MORE OF THEFOLLOWING CODES:A26, A27BATTERY FUSES BLOWN ORFUSE HOLDER ISOLATORSOPENReplace the fuses or close the isolators (SWBATT).WARNING: if necessary, we recommend fuses bereplaced with others of the same type (see InternalProtective Devices of the UPS)THE DISPLAY SHOWSTHE CODE S06THE BATTERIES AREDISCHARGED; THE UPSWAITS FOR THE BATTERYVOLTAGE TO EXCEED THETHRESHOLD SETWait for the batteries to recharge or force power onfrom the System On menuTHE DISPLAY SHOWSONE OR MORE OF THEFOLLOWING CODES:F06, F07, F08INPUT RELAY LOCKEDActivate the maintenance bypass (SWMB), turn off theUPS, open SWIN and call your local service centre.THE DISPLAY SHOWSONE OR MORE OF THEFOLLOWING CODES:L01, L10, L38, L39, L40,L41FAULT IN: TEMPERATUREPROBE OR UPSCOOLING SYSTEM MAIN AUXILIARYPOWER SUPPLY STATIC BYPASSSWITCHActivate the maintenance bypass (SWMB), turn theUPS off and then on again. Exclude the maintenancebypass. If the problem persists, call your local servicecentreTHE DISPLAY SHOWSONE OR MORE OF THEFOLLOWING CODES:A22, A23, A24, F23, L23,L24, L25THE LOAD APPLIED TO THEUPS IS TOO HIGHReduce the load to below the 100% threshold (or userthreshold for the code A22, A23 or A24)THE DISPLAY SHOWSONE OR MORE OF THEFOLLOWING CODES:L26, L27, L28SHORT CIRCUIT AT OUTPUTPower off the UPS.Disconnect all the devices connected to the phaseconcerned by the short circuit.Power menu the UPS on again.Reconnect the devices one by one until the faulty one isidentified.