11/30/2018 7:20 AM | |
Posts: 12 Rating:
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Hi, Recently, a pair of old CPU 412-H were replaced with new CPU 414-5H PN/DP on site. (1 month only) The existing backplane was not replaced and still in use. (No-6ES7400-2JA00-0AA0, SVPE8267718) After replacement, both CPU were running fine in Redundant mode with no fault and the plant has been continuously running for roughly one month. CPUA was Master(Rack-0) and CPUB was Standby(Rack-1) before the following incident. But suddenly this incident happened: CPUA Master(Rack-0) --> CPUA became failure and All LEDs Flashing at same frequency & CPUB became Master (Standalone) Time Stamps Below for reference: CPU Defective time --> (01:14:41.524 AM 11/24/2018) Switchover of master CPU and standby CPU --> (01:14:41.524 AM 11/24/2018) DEFECTIVE: STOP not possible --> (01:14:41.524 AM 11/24/2018) Master CPU: Change from redundant mode to solo mode --> (01:14:41.524 AM 11/24/2018) Please find attached the Diagnostic file and some pictures taken right after the incident. It would be very much appreciated if information can be provided. What could be the root cause of this and how to avoid it from happening again? For DetailedReference: RACK-0 CPU: Description(6ES7 414-5HM06-0AB0) - Component(Hardware) - Version(1) Firmware - V 6.0.8 Firmware expansion - V 6.0.1 Rack: 0 Slot: 3 RACK-1 CPU: Description(6ES7 414-5HM06-0AB0) - Component(Hardware) - Version(1) Firmware - V 6.0.8 Firmware expansion - V 6.0.1 Rack: 1 Slot: 3 Diagostics: Event 1 of 120: Event ID 16# 3942 Module problem or maintenance necessary Module type: IF module Input address: 8177 Module/submodule fault External module error Alarm in rack 1 Requested OB: Diagnostic interrupt OB (OB82) Priority class: 25 External error, Incoming event 01:14:44.948 AM 11/24/2018 (Coding: 16# 3942 1952 D154 1FF1 0507 0000) Event 2 of 120: Event ID 16# 3942 Module problem or maintenance necessary Module type: IF module Input address: 8176 Module/submodule fault External module error Alarm in rack 1 Requested OB: Diagnostic interrupt OB (OB82) Priority class: 25 External error, Incoming event 01:14:43.840 AM 11/24/2018 (Coding: 16# 3942 1952 D154 1FF0 0507 0000) Event 3 of 120: Event ID 16# 43E3 Master CPU: Change from redundant mode to solo mode Previous operating mode: RUN (redundant mode) Requested operating mode: RUN Event occurred in the master CPU in rack 1 Incoming event 01:14:41.524 AM 11/24/2018 (Coding: 16# 43E3 F998 0000 0000 0000 0000) Event 4 of 120: Event ID 16# 7331 Switchover of standby CPU and master CPU due to failure of master CPU CPU affected: Standby CPU in rack 0 Event: DEFECTIVE: STOP not possible Requested OB: CPU redundancy error OB (OB72) Priority class: 28 Incoming event 01:14:41.524 AM 11/24/2018 (Coding: 16# 7331 1C48 C45B F000 4520 0000) Event 5 of 120: Event ID 16# 43F1 Switchover of master CPU and standby CPU Previous operating mode: RUN (redundant mode) Requested operating mode: RUN (redundant mode) Event occurred in the standby CPU in rack 1 Incoming event 01:14:41.524 AM 11/24/2018 (Coding: 16# 43F1 F199 0000 0000 0000 0000) Event 6 of 120: Event ID 16# 4520 DEFECTIVE: STOP not possible 8129 2c8d 007a Previous operating mode: RUN (redundant mode) Requested operating mode: DEFECTIVE Event occurred in the master CPU in rack 0 Internal error, Incoming event 01:14:41.524 AM 11/24/2018 (Coding: 16# 4520 F89D C450 8129 2C8D 007A) Thanks, Prakash [snip] Attachment02_01_Diagnose.txt (217 Downloads) |
Last edited by: Jen_Moderator at: 11/30/2018 12:43:54 PMRemoved phone number. |
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12/3/2018 7:15 AM | |
Posts: 12 Rating:
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Hi, Anyone can help me on my previous post. Thanks !!! Regards Prakash |
12/3/2018 9:38 AM | |
Joined: 3/5/2014 Last visit: 8/5/2022 Posts: 5521 Rating:
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hi Prakash_Chennai, start a Support-Request to contact Siemens direcly. They can read out the coding information from diagnostic-buffer. regards, |
FCK WAR! |
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12/5/2018 3:05 AM | |
Posts: 12 Rating:
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Hi MOPSO4, Thanks for reply, Created Support Request, Siemens sent S7Dump file Regards Prakash |
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