Problems When Using Modules Of Third-Party Manufacturers - Siemens SIMATIC Rack PC 547B Operating Instructions Manual

12.2

Problems when using modules of third-party manufacturers

Problem
The PC crashes during
startup
PC does not restart or
•
turns off immediately
SIMATIC Rack PC 547B
Operating Instructions, 12/2007, A5E01127519-02
12.2 Problems when using modules of third-party manufacturers
Possible cause
Double allocation of I/O
•
addresses
• Double allocation of hardware
interrupts and/or DMA channels
Signal frequencies or signal levels
•
are incorrect,
Connector assignments deviate,
•
No "Reset Configuration"
•
executed in BIOS SETUP.
A voltage > 0.5 V is fed into the
•
PC due to connected or installed
third-party components
Remedy
Check your computer configuration:
• If the computer configuration corresponds with
factory state, please contact your technical support
team.
If the computer configuration has changed, restore
•
the original factory settings. Remove all third-party
modules, then restart the PC. If the error no longer
occurs, the third-party module was the cause of the
fault. Replace this module with a Siemens module
or contact the module supplier.
Force a "Reset Configuration" using the BIOS
•
Setup.
Contact Technical Support if the PC still crashes.
Check with the supplier of the component
whether this can be operated without an external
•
power supply,
Whether the settings for the component can be
•
changed so that only the PC power supply is used
or only the external power supply.
Troubleshooting/FAQs
91