Alaxala AX6300S Series Instruction Manual page 179

Figure 5-12 Turning off the power
(1) Circuit breaker
(2) Power supply unit
Step 2
Set the circuit breaker of the power supply facility to OFF to turn off the power.
Step 3
Disconnect the power cable from the power supply unit you are replacing. (For
details about how to disconnect the power cable, see 4.6 Connecting and
disconnecting the power cable.)
5. Adding and Replacing Optional Modules
The circuit breaker of the power supply facility must be set to OFF.
Adding or replacing a DC power supply unit with the circuit breaker set
to ON could result in fire or electric shock.
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