Commissioning the device
4.5 Switching off the device
SIMATIC IPC847D
60 Operating Instructions, 01/2014, A5E32997454-AA
Fully disconnecting the device from mains voltage
Risk of fire and electric shock
The on/off button and on/off switch do not fully disconnect the device from the mains. If the
device is switched off with the on/off switch, there remains a risk of electric shock and fire
hazard, for example, if the device or connection cables are damaged or if the device is
used improperly.
Always fully disconnect the device from the mains voltage as described below before
performing work on the device or when the device will not be used over an extended period
of time.
If the device was not mounted in a control cabinet:
● Shut down the operating system and pull the power plug on the rear of the device.
If the device was mounted in a control cabinet:
● Shut down the operating system and switch the AC circuit breaker to "Off".
The device is switched off and fully disconnected from the mains voltage. No trickle current
is flowing.
You can perform a hardware reset to switch off the device when the operating system no
longer responds to input from the keyboard or mouse. The operating system is not safely
shut down in this case.
The device is restarted in the case of a hardware reset. Data in the main memory can be
deleted. Data on the drive may be lost. The device may be damaged.
Perform a hardware reset only in the case of an emergency.
For all operating systems:
● Press the on/off button for more than 4 seconds.
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