Siemens SIMATIC TI525 Hardware And Installation Manual page 91

6. If the PC GOOD LED does not turn on at this time, your PLC may have
a hardware failure. Contact your Siemens Industrial Automation
distributor or sales office. If you need assistance in contacting your U.S.
sales office, call 1–800–964–4114.
available before you call:
D
List of fatal and non-fatal errors
D
PLC serial number
D
PLC software revision (execute AUX Function 15 or check the PLC
label)
D
Sequence of events leading up to the failure
Hardware and Installation User Manual
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