Assembly and setting up 4
Assembling machine 4.2
4-11
1. Determine the direction of rotation of the mains supply.
DANGER
High voltage!
Electrical shock may cause death or serious injuries.
Î Deenergize building mains supply.
2. Open the mains switch housing.
Potential equalization missing!
Serious errors or disturbances can be caused in the machine and the
electronic circuit if the terminal "PE "is not connected.
Terminal "PE" to be connected always
3. Connect the mains supply to the terminals L1, L2, L3 and N of the
terminal strip and to the yellow-green protective conductor (PE).
4. Close the main switch housing.
The right connection of the mains supply is controlled (clockwise phase
sequence: Terminals L1, L2, L3 (R, S, T)). If the signal "4272 Power
Supply Phase Sequence Wrong "appears on the touch screen, then the
connection is wrong.
Correction of the error "4272 Power Supply Phase Sequence Wrong":
DANGER
High voltage!
Electrical shock may cause death or serious injuries.
Î Interrupt the mains supply to the machine
It is not sufficient to simply switch off the machine at the main switch!
Î Swap the two phases of the mains supply.
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