What Happens If …?11602/11 MN05006002Z-ENDefect in the case of an insufficient contactor supply.In the contactor supply if the 24 V DC control voltage dropsbelow the minimum voltage of 19.2 V DC or exceeds themaximum current of 3 A, the secure switching of a contactoris no longer guaranteed. The switching command from thecontroller may remain without any effect. The mechanicalswitch position indicator of a DIL-SWD-32-… module showsunambiguously the actual switch position.Behavior of SmartWire-DTfunction elementsM22-SWD…The status of an SmartWire-DT function element M22-SWD… is signalled optically via the green SWD-LED with adiameter of 3 mm on the rear panel.Table 25: Diagnostics with the aid of the green SWD LED on therear panelEvent Explanation RemedyLED greencontinuouslightFault-free operation, data exchangeOK.–LED off No 15 V DC device voltage via theSmartWire-DT network or theM22-SWD… or LED is defective.Check the power supply or M22-SWD….function elementLED greenflashing (1 Hz)No data exchange with the Smart-Wire-DT gatewayThe M22-SWD… may not be in thetarget configuration or the SmartWire-DTgateway is just creating a target configu-ration.LED green fastflashing (3 Hz)Defect in the M22-SWD… Determine or evaluate the defect bymeans of a detailed slave diagnostics inthe control program.www.comoso.com