Troubleshooting Ultimate chance of correcting the fault Ш Switch off all supply voltages, i.e. both the system supply and the supply of the outputs ( а 3.4). Ш Take off the lid of the housing The lid snaps into the device’s side walls. Carefully push out one side wall to unlock the lid so that you can take it off. Ш Pull off the jumper located above the V.24 interface connector. Ш Switch on the system supply. и the PLC indicates “stop” ( а 3.8). (Repeat the procedure if not.). Ш Choose “Online V.24” in KUBES. Hand in the PLC for repairs if there’s still no online connection. Ш Choose “Delete program”. Ш Transmit a new and unbugged program. Ш Switch the power supply off.
Ш Put the jumper back in. Ш Close the lid. Ш Switch all supply voltages back on. 155