Siemens Service & Repair Forum

We experienced downtime due to a malfunction with Siemens 685139 E1721-A88 circuit board. It occurred at 645 am today. Please advise on troubleshooting steps. Thank you.

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— Posted by Larry Youhanaian on 2011-02-08

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If you need your Siemens unit tested or repaired,
give us a call at 1-336-969-0110.
Estimates are free with an approved repair. Declined or unrepairable units are subject to a $75 evaluation, handling, and standard return-shipping fee. Extended warranties may be available.
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Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
Phone: 1-336-969-0110


Recent 128 Comments

#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 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 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 by moutal on 2022-11-27 14:43
Our Siemens 6SL33201TH410AA0 unit is still down. We need urgent assistance. Please respond

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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 samuel on 2017-09-11 11:24
I'm sorry to hear about the issue with your Siemens 685139 E1721-A88 circuit board. It seems like something has stopped working, but I'm not entirely sure what the problem is. I recommend contacting a technician to diagnose and fix the issue

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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 Bill Irby on 2013-06-11 00:00
Of course! Could you provide some additional details to help me understand what's happening with the unit? For example, is it making strange noises, emitting unusual smells, not powering on, displaying error messages, or behaving erratically in any way? The more information you can provide, the bett…Purchase or Repair: Ticket Image...
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#Siemens by james yates on 2011-11-02 10:12
Siemens 685139 E1721-A88 circuit board not responding, production halted.

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#Siemens by Domingo Galán on 2011-12-17 02:20
We need urgent attention regarding the Siemens 685139 E1721-A88 circuit board. The unit is still down. Please reply

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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 jean on 2011-04-14 21:54
Could you please provide information on whether the Siemens 65E3226 8DJ40 drive is still supported or if replacement parts are available? It would be great to know if there are repair options for this unit. Thank you.

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#Siemens by Anthony Counts on 2011-07-20 07:58
My client is facing an issue with Siemens part number 65E3226 8DJ40, describing it as a drive problem. Can you please provide more information on the possible repair options and estimated costs? Thank you.

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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 by Michael Gordon on 2015-08-26 00:00
Siemens 6es5-421-8ma12 showing no power, not responding to inputs. Need urgent repair assistance.

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#Siemens by Dirk Dillbohner on 2025-05-18 12:36
Looking for repairs for a Siemens 6KA000-OCT/PTOO Inverter PCB as it's no longer functioning correctly. Need someone capable with experience in industrial unit repairs. Thank you.

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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 Jim Goldsmith on 2025-03-06 14:57
I'm having trouble with the Siemens 6ES7 461-1BA00-0AA0 module in the machine. It seems like something has stopped working, and I'm not sure why. Can you please help me troubleshoot this issue?

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#Siemens by rajiv ranjan on 2009-06-25 00:00
The Siemens 6AV7428-2FA10-0BS0 PANEL isn't functioning correctly. Please investigate and make necessary repairs.

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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 Willians Quintino on 2025-05-16 18:13
Hi, could you please provide repair information for Siemens module 6ES7 741-0BC11-0CA1? Thank you!

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#Siemens by Ronald Chong on 2018-05-22 11:46
The Siemens 6FC5303-0AA01-1AA0 unit is not functioning properly. It is described as a Connection Module.

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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 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 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 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 Jaime Palacios on 2011-09-05 12:37
Experiencing issues with my Siemens 685139 E1721-A88 circuit board. Need repair for industrial unit ASAP. Any experts available for troubleshooting and fixing the problem?

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#Siemens by HATIM on 2025-05-19 18:06
Siemens EK-75-10-3-B equipment is down. Showing error code Hammersteuer Ung on the Controller Module. Need urgent repair. Please advise.

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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 chris mariano on 2011-07-20 01:08
Siemens 65E3226 8DJ40 drive just failed, need immediate attention to troubleshoot and repair. Continuing with rounds.

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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 Jim Bailey on 2025-06-07 13:25
The Siemens 6ES5 945-7UA11 unit is not functioning properly. It is a S5 PLC 115U 945 CPU Module with 256Kb RAM.

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#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 ruwinda sa on 2006-11-03 00:00
Thank you for reaching out about the SIEMENS 6SC6506-0AA02 unit. I understand that it is exhibiting abnormal behavior. Can you provide more details about how it is specifically acting weird? This will help me better assess the issue and provide appropriate assistance.

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#Siemens by idioksgafsike on 2020-12-06 05:57
Siemens 6ES7193-4CL00-0XA0 terminal module is faulty. Unit down mid-shift. Please follow up during the day.

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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 williams on 2025-05-15 23:04
Hello, I am inquiring about Siemens 6ES7 441-2AA01-7AG0 module. My client is experiencing issues with it and needs assistance. Can you please provide information on repair services available for this module? Thank you.

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#Siemens by Bellesfield on 2019-01-17 00:00
The Siemens 6es5243-1aa13 unit isn't working as reported.

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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 Emillie Getalado on 2024-11-21 05:22
Hi there, I hope you're doing well. I was asked to look into fixing or replacing the Siemens 6es5944-7ua22, however, I'm not quite sure what it does. Can this item be repaired or purchased? I'm just trying to check this off my to-do list. Thank you!

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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 Magaly Polo A. on 2006-11-14 01:20
Dear Mr or Mrs Please quote the following: 1 SOURCE OF FEEDINGSITOP120/230 VAC EXIT 24 VDC 20 AMP BRAND SIEMENS MODEL 6EP1 336-3BA001 SOURCE OF FEEDINGSITOP120/230 VAC EXIT 24 VDC 10 AMP BRAND SIEMENS MODEL 6EP1 334-ISL111 SIMATIC S7-300, ET 200 SISTEMA PERIFERIA DECENTRALIZADA BRAND SIEMENS MODEL 6…Purchase or Repair: Ticket Image...
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#Siemens by Belyakov on 2018-10-14 04:56
Siemens 6SE70337EG841JF0 inverter interface just failed. Needs immediate attention!

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#Siemens by john viering on 2023-02-11 12:19
the Siemens 6SE7041-8HK85-1HA0 (Rectifier Interface Module) went down during the night shift. Need someone to check and fix it ASAP. Thanks!

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#Siemens by Kevin Block on 2025-05-20 21:48
Can you please confirm if the Siemens 6SE7021-0TA51-Z Simovert MC DC Inverter is still supported? We are in need of replacement parts or repair options for this older unit, and we are unsure of its manufacturer. Thank you.

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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 Chris Werner on 2011-06-10 17:24
Siemens 65E3226 8DJ40 drive not responding to control inputs.

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#Siemens by Pawel Poborca on 2011-11-07 23:54
Hello! I'm very interested in purchasing the Siemens 685139 E1721-A88 circuit board. My team recommended I reach out to inquire about the pricing and availability. I'm hoping to source one quickly. Can you provide me with more information on this? Thank you!

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#Siemens by Ruengrat on 2016-12-07 07:24
I need information on Siemens TPS-C1/160 CPU BD. Description Unknown. Please provide details and possible solutions for my client's issue. Thank you.

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#Siemens by paul murney on 2011-12-12 01:45
Hi, we have a Siemens 65E3226 8DJ40 drive that needs a replacement, but we can't find one. Could you please provide repair info or suggest where we can find one? Thank you!

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Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
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Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
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