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Alarm 11:
The UPS is on bypass for any reason. It must be restarted by display keypad.
Alarm 12:
This is an alarm for parallel systems. It appears when some UPS of the parallel
system block because the maintenance bypass switch of any unit is switched ON.
Alarm 13:
This alarm indicates that the CAN BUS #1 fails. This communication channel is
used for remote control.
Alarm 14:
This alarm indicates that the CAN BUS #2 fails. This channel is used for data
communication between UPS, in a parallel system.
Alarm 15:
This alarm appears at the estimated end of live of the battery bank. The revision
and replacement of some batteries will be necessary to be done via AEG PS
customer service.
Alarm 16:
The temperature of battery cabinet (in case of separate battery cabinet) or battery
place (in case of battery are located inside the UPS) is higher than 40 ºC.
Alarm 17:
If battery test (automatic or manual) is finished unsuccessfully, this alarm will
appear.
Alarm 18:
Two possible reasons:
• During the unit start up, a message appears indicating that the battery switch
can be switched ON. After some period of time without switching ON, this
alarm appears.
• When the unit is running under normal conditions, and the battery switch is
switched OFF.
Alarm 19:
When the mains is connected during the start up, a phase rotation error is
detected and the start up procedure is inhibited.