Disconnecting the power supply and cables

CAUTION

Risk of electric shock

Dangerous touch voltages can lead to electric shock. To avoid electric shock, observe the following:

  • Never connect or disconnect the device cables during a thunderstorm.
  • Provide protective earthing for handling the device.

Notice

Hardware damage due to power supply

Disconnecting the CP-Link 4 connection while the transmitter box power supply is switched on may cause damage to the transmitter box.

  • Switch off the power supply to the CU8803 transmitter box before disconnecting the CP-Link 4 connection.

Before disassembling the control panel, you must disconnect the cables and the power supply. Follow the steps below:

1. Shut down the control panel.
2. Disconnect the control panel from the external 24 V power supply.
3. Unscrew the voltage connector and pull it out of the PC.
4. Disassemble the power cable (see chap. 4.3.1 Installing power supply cable) if the connector is to remain with the panel.
5. Make a note of the wiring of all data transmission cables if you want to restore the cabling with another device.
6. Disconnect all data transmission cables from the control panel.
7. Finally, disconnect the ground connection.
You have disconnected the cables and power supply.