Siemens Service & Repair Forum

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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— Posted by Kevin Block on 2025-05-20

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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 chisty on 2023-07-06 01:40
The Siemens PE0520 is displaying a red flashing LED indicating a low input voltage alarm. Machine is currently not operational. Thanks.

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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 Rafael Hernández on 2014-12-20 00:44
Need assistance with Siemens Acramatic 2100 3-424-2130A01 monitor/controller repair. Unit fails to power on, display screen remains blank. Seeking immediate repair service. Thank you.

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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 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 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 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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#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 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 Sitop by Grachev on 2011-09-21 00:00
The Siemens Sitop 6EP1437-2BA00 control panel has failed; currently unsure about the description. I'll inspect and troubleshoot further once I reach the machine.

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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 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 solihin on 2024-02-14 00:00
The Siemens 6se7026-0wd61 unit is not functioning and requires immediate attention from the maintenance team.

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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 Dennis Ingalls on 2011-09-25 10:25
Could you please confirm if the Siemens 65E3226 8DJ40 drive is still supported or if replacement parts are available for this unit, considering its age and the uncertainty about the manufacturer? Thank you.

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#Siemens by Coker on 2023-10-08 23:44
The Siemens 6SN1130-1DB12-0HA0 unit is not working.

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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 james yates on 2011-11-02 10:12
Siemens 685139 E1721-A88 circuit board not responding, production halted.

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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 Yng on 2011-11-23 20:06
Siemens 65E3226 8DJ40 drive is down, displaying error code 5B. Urgent repair needed to resume operations.

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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 James L Dean on 2023-10-26 00:00
Siemens C98043-A1113-L132 Equipment IssueHello,I'm currently experiencing an issue with our Siemens C98043-A1113-L132 equipment. It is displaying an error code "Unknown" and not functioning correctly. We are unable to identify the problem and require immediate assistance to get the equipment back up…Purchase or Repair: Ticket Image...
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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 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 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 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 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 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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#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 sajeesh on 2011-08-06 08:21
I'm interested in the Siemens 65E3226 8DJ40 drive for purchase. Could you please provide information on pricing and availability? We are looking to source one quickly. Thank you.

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#Siemens by packing on 2011-06-17 19:57
The Siemens 65E3226 8DJ40 unit is malfunctioning. Please take a look at it as soon as possible. Thank you.

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#Siemens by Luis Lerman Agudelo Bermudez on 2025-05-16 22:04
the Siemens 6DS1308-8AB (Teleperm M AS230 Interface Module) unit went down mid-shift. Need someone to follow up and look into it during the day. Thanks!

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#Siemens by muiefam on 2019-03-05 03:00
Hello, I'm interested in purchasing the Siemens 6SE3116-8CB70-4AA0 Micromaster 1.5Kw Inverter. Can you provide information on pricing and availability? I'm trying to source one quickly. 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 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 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 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 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 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 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 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 paul.wang on 2019-03-05 13:58
The Siemens 6ES7151-7FA21-0AB0 S7 Failsafe CPU with Profibus Interface is currently not functioning.

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#Siemens by John Maurer on 2011-04-14 16:28
Could you please confirm if Siemens 685139 E1721-A88 circuit board is still supported or if replacement parts are available? 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 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 anupam on 2011-12-19 14:42
Siemens 685139 E1721-A88 circuit board failure on the shop floor. Need immediate replacement to resume production.

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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 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 JAE on 2014-02-12 17:58
The Siemens Acramatic 2100 3-424-2130A01 unit is not working and the maintenance team needs assistance with it.

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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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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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