According to the logfile records the internal 12 v/24 v supply got temporariliy interrupted for an unknown reason.The device alarmed for turbovent2 failure, ventilator failure and system failure.All relevant internal voltages are generated from the 24 v supplied by the power supply unit on the pba main a500 and provided to the connected pcbs.Thus, root cause was a faulty pba main a500.The exact root cause couldn¿t be determined, most likely one of the voltage regulators was faulty.The device issued appropriate alarms.
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