We have S7-400 414-3DP 10 stations and 1 station have the following problem:
All the LEDs of all the cards on the PLC panel are flashing and PLC system is not
responding to communicate with PG. We have turned-off the power supply and re-switched on
for read diagnostic buffer (attact File)
I have replaced the CPU , RAM card and Back plane but after 1 week the CPU still problem

Please find the attached Diagnostics buffer.
kindly suggest remedy for this issue.

Thankyou very much
Pravit K.
SIAMYAMATO STEEL THAILAND.

Pravitk

We have S7-400 414-3DP 10 stations and 1 station have the following problem:
All the LEDs of all the cards on the PLC panel are flashing and PLC system is not
responding to communicate with PG. We have turned-off the power supply and re-switched on
for read diagnostic buffer (attact File)
I have replaced the CPU , RAM card and Back plane but after 1 week the CPU still problem

Please find the attached Diagnostics buffer.
kindly suggest remedy for this issue.

Thankyou very much
Pravit K.
SIAMYAMATO STEEL THAILAND.

dear eisenpferdreiter

Last week i changed new power supply and system runing normaly.

Thank you verymuch for your suguestion.

Regards.

New question published by Strafo is split to a separate thread with the subject All LED Flashing in S7 400 414-3DP

Best regards
Min_Moderator