11/19/2016 4:51 AM | |
Posts: 18 Rating: (0) |
I have already installed m/c, when I switched on the m/c in morning all leds on mcp was flashing and alarm 1002 was displaying on mmc Ncu 7segment display 6 ,green led and ps led was on, pf led was flashing I reset the ncu 840d by s3 shift from 0to1, s4 2to3for3sec and back to2 and now both s1 ands2 at0 Now after switching on m/c i m facing above said problem of error2001 plc has not startup. What should I do now. Please |
Last edited by: sajid113 at: 11/19/2016 5:03:58 AM |
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11/19/2016 5:00 AM | |
Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877) |
Hello, 1. Check the profibus terminal switch status, i.e. ON or OFF. Refer OEM drawing & confirm the correct position. 2. Check the profibus cable, termination connection etc. 3. If above two points are ok, try to clear NC & PLC data & relaod the same. |
This contribution was helpful to1 thankful Users |
11/19/2016 5:11 AM | |
Posts: 18 Rating: (0) |
Thanks sir, I already confirmed switch state on mpi connector which is all in off state except from the ncu nodes mpi connector in on as mentioned in the manual of technical drawings. I reset the ncu twice again but alarm 2001 Plc has not startup still remain and all leds on mcp still flashing. Solution please. |
11/19/2016 7:06 AM | ||||
Posts: 18 Rating: (0) |
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11/19/2016 8:33 AM | |
Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877) |
If you are sure about the profibus connection, cables, termination, switch position & cleared the NC PLC data & reloading etc., then next step is connect Step7 & check the PLC if it is in stop mode. |
This contribution was helpful to1 thankful Users |
11/19/2016 8:43 AM | |
Posts: 18 Rating: (0) |
I have not Step 7, is there any alternative to access plc through MMC. |
11/19/2016 9:08 AM | |
Joined: 4/23/2010 Last visit: 12/31/2023 Posts: 8092 Rating: (877) |
No. Best way is to contact your nearest Siemens service support center. |
11/19/2016 9:49 AM | |
Posts: 18 Rating: (0) |
OK, i have uploaded backup archive from hd to ncu and communication has been established. Thaks for your response. |
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