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Error Diagnostics
4.1
The PC Does not React to the ON/OFF Switch
Error Display
The PC does not show any reaction at all when it is switched on. The power
LED does not light up.
Cause
The power supply is faulty.
Remedy
Proceed as follows:
Switch off the PC.
Check whether the power supply cable is connected.
Check whether the power supply connector is connected correctly.
Switch on the PC again.
Note
If no LED lights up on the system unit after you have carried out these
checks and measures, notify your technical support team (Chapter 5).
4-2
SIMATIC PC RI25/45
C79000-G7076-C806-01
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