move to the T5 transformer and set the shorting plug to the range matching the transformer tap position just used now, switch on the machine's main breaker and move to the front control panel and press power on at the back of the machine, check that the wiring from the customer's service panel is in phase with the connections at the machine by checking that the phase indicating light is green a red light indicates the power is out of phase have the customer disconnect power at the service panel and lock out tag out or mark the breaker so that no one turns it on accidentally make sure to double check the incoming lines to ensure there is no voltage present before you swap the positions of the L1 and L2 lines at the circuit breaker after the machine has powered up and the control has initialized, you will see the machine activation screen write down the machine's serial number software version