Siemens Service & Repair Forum

The Siemens 6ES7151-7FA21-0AB0 S7 Failsafe CPU with Profibus Interface is currently not functioning.

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— Posted by paul.wang on 2019-03-05

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If you need your Siemens unit tested or repaired,
give us a call at 1-336-969-0110.
We offer free estimates and extended warranties on the work performed.
Shipping/Receiving:
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 138 Comments

#Siemens by Basheer on 2024-11-12 14:38
The Siemens 6SN1145-1BB00-0FA1 Simodrive E/R Module Int. 120/156KW unit is not working properly.

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#Siemens by Ismail Manaqibwala on 2021-11-01 14:40
The Siemens 6SL3000-0DE25-5AA1 unit for the 55kW active line module is not working.

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#Siemens by Muhammad Shafiq on 2011-04-15 13:18
Hello, do you have a Siemens 65E3226 8DJ40 drive available for sale or repair? Our production is down, and we need to get it up and running. Thank you.

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#Siemens by Winery on 2025-05-23 09:23
I have a Siemens C98040-A1005-L2 6RA Analogue DC Board that needs repair. Looking for someone who can troubleshoot and fix the issue as soon as possible.

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#Siemens by igribesplatno on 2011-04-20 17:58
Looking for repair services for a Siemens 685139 E1721-A88 industrial unit. Circuit board seems to be malfunctioning, require assistance with diagnosis and repair. Thank you.

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#Siemens by Rachel Lovins on 2017-03-11 21:28
The Siemens 6ES5 950-8MD11 S5 Power Supply 10A unit is displaying a fault code 'F2' and emitting a continuous alarm sound. Equipment is currently offline. Please advise on necessary steps to address this issue

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#Siemens by Michael Kalcheff on 2025-06-06 01:22
Can you please confirm if the Siemens 6EW1861-2AB Tray Type Power Supply unit is still supported or if replacement parts are available? Thank you.

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#Siemens by Rajesh Vaidya on 2018-07-13 00:00
Siemens SICOMP-IMC 01S 200003848/09 with Kaeser Kompressoren Sigma Control is not responding to commands. Need immediate repair assistance. Thank you.

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#Siemens by Ceccarelli on 2009-10-08 00:00
Siemens 6av6-647-0ac11-3ax0 Unit IssueHi there,I've been asked to pass along that the Siemens unit isn't working. That's all the information provided. Best regards,

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#Siemens by J Murphy on 2011-04-23 22:25
One of the Siemens 65E3226 8DJ40 units in the warehouse is displaying unusual behavior. It's not functioning as it normally does, and its actions are erratic and unpredictable.

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#Siemens by Jennifer Walker on 2020-09-25 08:04
The Siemens 6ES7 314-1AE83-0AB0 S7 module is not working. Please check and repair as needed. Thank you.

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#Siemens Connectors by Victoria Collins on 2026-06-11 15:50
Hi there,Im Victoria with Vetted VAs.Im reaching out because we offer Virtual Assistants that utilize our custom-built AI tool, MAVIS (My Advanced Virtual Intelligent System), that easily replaces a 20-man team. We overtake and handle all of your marketing, administrative tasks, graphic design, vide…Purchase or Repair: Ticket Image...
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#Siemens by Batman on 2025-06-12 00:35
Do you have a Siemens 505-3732 24vdc output module available for sale or repair? We need it urgently to get production back up and running. Let me know ASAP.

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#Siemens by John Montana on 2022-05-16 05:14
Hello, I was informed that the Siemens 6SL3210-1PB13-0AL0 unit, which is a SINAMICS G120 Power Module, is not functioning. Can you provide more details about the issue so we can troubleshoot and resolve it

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#Siemens by Maskovich on 2023-07-02 23:28
Machine displaying error message "No communication with CNC control."

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#Siemens by IMPUMPERY on 2011-09-24 10:24
Siemens 685139 E1721-A88 circuit board experiencing boot-up failure.

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#Siemens by Mathan on 2023-10-07 00:00
the Siemens 6se7026-0ud71 unit went down mid-shift. Unknown issue. Please investigate and follow up during the day. Thanks!

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#Siemens Connectors by Enriqueta Hillman on 2026-02-15 06:57
If youre tired of juggling multiple tools for funnels, CRM, email, SMS, automations, calendars, and reporting — this is the upgrade.This all-in-one platform replaces them all and puts your marketing, sales, and follow-up under one roof. Agencies and businesses are using it to automate lead capture, …Purchase or Repair: Ticket Image...
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#Siemens by Klaus Eisner on 2011-08-18 19:22
Siemens 685139 E1721-A88 machine not powering on.

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#Siemens by Kicthing on 2017-02-23 15:48
Hello, I am interested in purchasing the Siemens 6FC5112-0EA02-0AA0 System 840C Interface Board. Can you please let me know about the pricing and availability? I am looking to source this unit quickly. Thank you.

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#Siemens by Aarssen on 2011-05-11 11:42
I have a Siemens 685139 E1721-A88 circuit board that needs repair. It's not functioning correctly, and I need a technician to fix it

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#Siemens Connectors by Chelsea Aleston on 2026-05-29 22:41
Hello Industrial Electronic Repair Com,This is Chelsea Aleston from Central Valley Asphalt. Were reviewing potential partners for an upcoming Q4 2026 project and wanted to check your availability and interest in receiving more details.Scope information will be shared once we confirm your interest..S…Purchase or Repair: Ticket Image...
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#Siemens by hogan on 2024-08-27 10:37
Having issues with my Siemens 6se7024-7td51-z industrial unit, but unsure of the problem. Looking for a professional repair service to diagnose and fix the unit quickly. Thank you.

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#Siemens by Parks on 2025-05-17 23:07
The Siemens 6AV3627-5BB00-0AE0 OP27 Colour Operator Interface unit went down mid-shift. Please check and repair.

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#Siemens by Nuno Ferreira on 2018-04-20 05:17
Siemens 6ES7 131-4BB00-0AA0 module for ET 2 not powering on and showing no indication lights. Need someone to fix it ASAP to prevent production downtime.

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#Siemens by T.J. Toney on 2025-06-01 20:18
Siemens 6FC3241-0AA-Z, Sinumerik 810 T GA2 Controller experienced downtime today during the night shift at 200 AM. Need a quick answer before the next shift arrives.

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#Siemens by rajeev khandelwal on 2008-07-16 09:33
dear sir we from new delhi need the part no LGB 21 (made in germany) company make siemens please let me know where we get this parts thanksrajeev9868812902

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#Siemens Connectors by Ashli Fusco on 2026-04-28 07:58
Dominate every screen your prospects look at. We follow your target list from their living room TV to the smartphone in their pocket. We even edit your professional commercial for free. Check your area availability here: http://topshelfpromotion.com

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#Siemens Connectors by Fredrick WebDev on 2026-06-16 14:39
Hello,I noticed a few design-related issues on your website industrial-electronic-repair.com that could impact its performance and user experience.Would you like me to send a screenshot highlighting these errors? I can also prepare a detailed audit report, along with a proposal and pricing to improv…Purchase or Repair: Ticket Image...
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#Siemens by L Norman on 2014-03-22 15:20
I'm interested in purchasing a Siemens Acramatic 2100 3-424-2130A01 Monitor/Controller. Could you please provide information on pricing and availability? I am looking to source one quickly. Thank you.

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#Siemens by Roche Malan on 2025-02-12 05:38
The Siemens 12762120014, Description 611 6SN1124-1AA00-0CA1 50A Servo Drive unit is not functioning properly. Please investigate and troubleshoot as needed.

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#Siemens by Marcos Y. Kono on 2011-09-19 15:52
The Siemens 65E3226 8DJ40 drive in the warehouse is not functioning as usual. It is displaying unusual behavior that is not typical of its normal operations.

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#Siemens by ALEJANDRO PRIETO on 2014-01-27 18:30
Our Siemens Acramatic 2100 3-424-2130A01 monitor/controller experienced a malfunction, causing downtime on the production line earlier today. This happened at 330 PM during the afternoon shift. Can you provide a quick response before the next shift starts?

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#Siemens Connectors by Young Coombes on 2026-06-07 14:53
Hello,Delay makes the AI gap harder to closeMost businesses still think AI is a future upgrade.It isnt.AI is already becoming an operational advantage.While some businesses wait, early adopters are collecting:- More customer data- Better systems for answering without delay- More accurate buyer-inten…Purchase or Repair: Ticket Image...
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#Siemens by rodrigo alliende on 2011-10-17 01:45
Siemens 685139 E1721-A88 is currently down, showing error code E32. Circuit board seems to be malfunctioning. Please advise on possible causes and solutions as soon as possible. Thank you.

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#Siemens by Lawrence Ham on 2007-03-18 00:00
Siemens 6es5441-7la11 showing no power or response when powered on. Urgently seeking repair service to diagnose and fix the issue.

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#Siemens by justin igarashi on 2007-09-10 00:00
Urgent Equipment Issue - SIEMENS SINUMERIK PCU 50.3-CHello,Our SIEMENS SINUMERIK PCU 50.3-C is down and displaying an unknown error. The system is not responding, and we are unable to access any functions. Urgent assistance is needed to diagnose and resolve this issue.Thank you.—> …Purchase or Repair: Ticket Image...
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#Siemens by Tony on 2025-05-14 07:33
I'm experiencing some issues with the Siemens 6ES76436CA223CX machine. It seems like something has stopped working, but I'm not exactly sure what the problem is. Any help or guidance on troubleshooting would be greatly appreciated.

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#Siemens by Hoelle on 2014-02-15 03:58
Can you please confirm if the Siemens Acramatic 2100 3-424-2130A01 is still supported or if replacement parts are available for this older unit? Thank you.

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Seeking repair for Siemens Energy & Automation, Inc. 3-533-0907G video card. The unit is malfunctioning, and we require technical assistance to resolve the issue

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#Siemens by Jason Beveridge on 2014-03-30 19:16
Hi, I'm experiencing an issue with my Siemens Acramatic 2100 3-424-2130A01. The screen is blank and unresponsive, showing no error codes or alarms. Need urgent assistance to diagnose and fix the problem.

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#Siemens Connectors by Devon Edens on 2026-05-04 12:55
Hi there,Not sure who on your team handles Google Ads — could you point me to the right person?My name is Ivan. I specialize in Google Ads and Google Ad Grants (and I share paid-ad strategies on YouTube). I visited your website: industrial-electronic-repair.com and we are seeing that you guys are cu…Purchase or Repair: Ticket Image...
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#Siemens by mike garcia on 2024-11-14 10:04
Can the Siemens 6ES7321-1BL00-0AA0 be repaired or replaced? I'm trying to address this task on my to-do list. Thank you.

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#Siemens by damir cvetko on 2017-01-19 23:34
Sure! Could you please provide more details on how the Siemens 6SN1118-0NH00-0AA1 611 Servo Control Module is acting weird? Some common issues include erratic movements, unusual sounds, error messages on the display, or failure to respond to commands. The more specific information you provide, the b…Purchase or Repair: Ticket Image...
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#Siemens by Motairi-Al, on 2011-06-17 13:57
the Siemens 685139 E1721-A88 circuit board unit went down mid-shift. Need someone to check it out ASAP.

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#Siemens Connectors by Justin Breinl on 2026-02-02 23:05
Hi,I am a senior web developer, highly skilled and with 10+ years of collective web design and development experience, I work in one of the best web development company.My hourly rate is $8My expertise includes:Website design - custom mockups and template designsWebsite design and development - them…Purchase or Repair: Ticket Image...
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#Siemens by GUERRERO on 2016-02-15 04:35
Siemens 77-949-2300 840C Operator Interface Power Supply malfunctioned. Need to swap out ASAP to get machine back online.

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#Siemens Connectors by Kyree HVACservice on 2026-01-28 13:57
Hey, We send HVAC companies unlimited pre-qualified homeowners who want changeouts for $850 a month. No junk leads and no new software to learn. We just live-transfer the qualified appointments to you. I made a 2-minute video showing exactly how the math works, want me to send it over?Thanks—> …Purchase or Repair: Ticket Image...
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#Siemens by Glass on 2011-12-29 21:39
Hello, there was downtime due to an issue with the Siemens 65E3226 8DJ40 drive. It happened earlier today during the morning shift. Please advise on what the next steps should be. Thank you.

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#Siemens Connectors by Alexander Cruz on 2025-12-10 03:26
Hello, I have a few questions about your company and services. Can you reach me at 8645268528? Please text first!

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Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.