Sevcon Service & Repair Forum

The Sevcon MOS90 631/46002 power supply unit in the warehouse is behaving unusually. It is not functioning as it normally does, exhibiting erratic or strange behavior.

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— Posted by kieffer on 2012-05-18

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If you need your Sevcon unit tested or repaired,
give us a call at 1-336-969-0110.
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Shipping/Receiving:
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 130 Comments

#Sevcontrol by hamid on 2013-10-19 23:07
the Sevcontrol MOS90 631/40164 power supply unit went down mid-shift. Please check it out first thing in the morning. Thanks!

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#Sevcon by Mika on 2012-10-20 00:57
The Sevcon MOS90 631/46002 is still down and I need assistance with the power supply. Please provide a response this time.

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#Sevcon by Schneider on 2015-01-27 05:17
I have a Sevcon MOS90 631/41063 controller that needs repair. It's currently not functioning and impacting our work operations. Please let me know if you can repair this type of industrial unit. Thank you.

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#Sevcontrol by joseph ugwuneke on 2013-11-02 11:52
Machine not turning on.

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#Sevcon by Giampiero Di Marco on 2012-04-21 00:09
We experienced downtime due to an issue with the Sevcon MOS90 unit 631/46002, specifically related to the power supply. This occurred during the current shift, and I'm reaching out for further guidance before the next shift starts. Thank you.

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#Sevcon by MIKALEF on 2012-08-12 20:45
I'm experiencing issues with the Sevcon MOS90 631/46002 model related to the power supply. Something seems to have stopped working, and I'm unsure of the exact problem. Any assistance you could provide would be greatly appreciated.

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#Sevcon by Tuckwood on 2012-02-01 15:21
Hi, do you have a Sevcon MOS90 631/46002 available for sale or repair? Our unit has gone down, and it's affecting our production. Thank you.

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#Sevcon by optioseowerne on 2021-07-01 16:32
Can the Sevcon Millipak Control Unit be repaired or replaced? Trying to check it off your to-do list.

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#Sevcon by shazad on 2012-05-29 20:30
One of the Sevcon MOS90 631/46002 power supplies has failed during maintenance rounds. Need to address immediately to keep machines running.

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#Sevcon by SMAILL TABRIZI on 2015-08-14 02:20
Sevcon MOS90 631/41063 Controller not responding.

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#Sevcon by shahnawaz on 2012-08-06 04:24
The Sevcon MOS90 631/46002 unit in the warehouse is behaving unusually. It's not functioning as expected, exhibiting erratic behavior.

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#Sevcon by Tong Sheng Holdings on 2013-10-22 12:18
Can the Sevcon MOS90 631/40277 power supply be repaired or bought? Checking this off my to-do list.

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#Sevcon by Premanku on 2012-03-24 09:23
I'm having trouble with the Sevcon MOS90 631/46002, specifically related to the power supply. I'm not entirely sure what the issue is, but something seems to have stopped working. Any guidance or support you can provide would be greatly appreciated.

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#Sevcontrol by melanie hamilton on 2016-12-06 13:32
I am following up on my previous message regarding the Sevcontrol MOS90 631/40038 unit being down. It is crucial that someone addresses this issue

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#Sevcon by persuno on 2012-01-16 09:36
My Sevcon MOS90 631/46002 power supply unit is not functioning properly. Looking for a tech who can repair industrial units like this.

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#Sevcon by Peshak on 2012-05-21 20:58
I urgently need an update on the status of my Sevcon MOS90 631/46002 power supply unit. It is still down. Please respond

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I need an update on the status of the Sevcon MOS90 631/46002 Power Supply. The unit is still down, and I require a response

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#Sevcon by Marcel on 2026-05-13 10:34
Hello,my friends PCB burned out. Can you send me the PCB gerber data and possibly also the bill of materials? I can make a new PCB myself.ThanksMarcel

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#Sevcontrol by Amado Arcangel Zerendieta on 2013-04-20 08:05
The Sevcontrol MOS90 631/40164 power supply unit in the warehouse is exhibiting unusual behavior - not functioning as it typically does.

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#Sevcon by Ing. Omar Martinez on 2020-10-16 17:53
: Our industrial unit, a 10,000 sq ft facility used to manufacture high-pressure hydraulic pumps, has experienced a catastrophic failure in its main control system, rendering it completely unusable. Since the control system is crucial for ensuring safe and efficient operation of the machinery, our p…Purchase or Repair: Ticket Image...
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#Sevcon by PeterArres on 2013-08-13 03:35
Hello, do you have a Sevcon MOS90 631/40277 power supply available for sale or repair? We need it urgently to keep production running. Thank you.

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#Sevcon by Breneman on 2012-05-29 19:30
I can assist you with finding information on the Sevcon MOS90 631/46002 Power Supply unit. I will inquire about its current support status and the availability of replacement parts for you.

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#Sevcon by bosco on 2012-08-03 07:44
Machine is not receiving power; production is currently offline.

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#Sevcon by Des Whitaker on 2012-05-28 14:06
Can the Sevcon MOS90 631/46002 power supply be repaired or bought? Seeking to check this off my to-do list.

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#Sevcon by Swanson on 2013-12-30 16:27
Sevcon MOS90 631/40277 power supply is not providing power to the machine.

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#Sevcon by Soliz on 2013-08-01 07:32
The Sevcon MOS90 631/40277 power supply unit is exhibiting unusual behavior in the warehouse. It is not performing its normal functions and appears to be acting erratic or strange. Further investigation is needed to identify and address the issue with this unit.

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#Sevcontrol by ANIL KUMAR P on 2013-08-04 01:32
Hello, I'm interested in purchasing a Sevcontrol MOS90 631/40164 power supply. I'm not 100% sure if this is the correct model, but my team suggested I reach out to inquire about pricing and availability. I'm looking to source one quickly. Thank you.

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#Sevcon by PITCOCK on 2012-05-11 17:30
Do you have a Sevcon MOS90 631/46002 Power Supply unit available for sale or repair? Our production is currently down, and we rely on your support to keep it running smoothly.

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#Sevcon by Steve Tate on 2012-03-01 00:29
Seeking repair for Sevcon MOS90 631/46002 power supply unit. Unit is not functioning properly. Need help from a skilled technician to troubleshoot and repair it

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#Sevcon by Brill on 2012-11-19 18:03
The Sevcon MOS90 631/46002 is not functioning properly and requires attention from the maintenance team.

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#Sevcon by GABON on 2012-06-11 07:05
Hello, our Sevcon MOS90 631/46002 power supply is displaying error code 3F. The equipment is not powering up at all. Kindly advise on troubleshooting steps. Thank you.

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#Sevcon by Eugene van As on 2012-01-25 01:29
The Sevcon MOS90 631/46002 is showing error code E231. Power supply failure preventing equipment operation. Urgently need technician assistance to diagnose and resolve issue to minimize downtime.

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#Sevcon by mamadou samba on 2012-07-02 16:39
Sevcon MOS90 631/46002 power supply failure on one of the drives or boards. Need immediate attention to prevent downtime.

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#Sevcon by James M Gradick on 2013-02-07 13:18
We experienced downtime due to an issue with the Sevcon MOS90 631/40277 unit, specifically with the power supply. This occurred earlier today and I'm seeking a quick resolution before the next shift begins. Thank you.

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#Sevcon by Nicolescu Constantin on 2013-04-17 02:56
The Sevcon MOS90 631/40277 unit is down, power supply issue. Please address it during the day.

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#Sevcon by GUSTAVO CARRERA on 2014-12-28 00:00
the Sevcon Millipak 633T45312 controller in Unit X went down mid-shift. Need someone to check it out ASAP in the morning. Thanks!

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#Sevcon by Lloyd Rontti on 2012-08-04 10:24
I am following up on the Sevcon MOS90 631/46002 issue. The unit is still down. Please respond

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#Sevcontrol by David Torres on 2013-09-12 05:28
Sevcontrol MOS90 631/40164 power supply issue, affecting production line. Urgent repair needed to minimize downtime. Kindly address immediately to ensure operations resume

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#Sevcon by Goeda on 2013-05-25 06:24
Can the Sevcon MOS90 631/40277 power supply be repaired or purchased? I'm trying to check this off my to-do list.

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#Sevcon by SHANE STOCKTON on 2012-02-17 15:52
One of the Sevcon MOS90 631/46002 drives or boards is down, affecting the power supply. Need immediate attention to diagnose and resolve the issue.

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#Sevcontrol by Toll on 2013-03-16 09:15
I need assistance with repairing my Sevcontrol MOS90 631/40164 power supply unit. Our production is stalled, and I'm hoping you can provide a solution. Do you have a replacement unit available for sale or repair?

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#Sevcontrol by rassu on 2013-08-12 19:32
the Sevcontrol MOS90 631/40164 unit acting as a power supply went down mid-shift. Needs attention ASAP. Thanks.

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#Sevcon by Tips on 2013-08-19 00:32
The Sevcon MOS90 631/40277 power supply is failing to provide the necessary electricity, causing a complete shutdown of production.

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#Sevcon by Mario Carabelli on 2012-11-01 11:34
Hello, I'm inquiring about part number Sevcon MOS90 631/46002, labeled as a power supply. Can you provide more information about this component and the repair process? Thank you.

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#Sevcon by medel on 2012-06-10 05:36
the Sevcon MOS90 631/46002 unit that handles the power supply went down mid-shift. Need someone to take a look ASAP in the morning.

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#Sevcon by David Simmons on 2013-08-15 01:01
Hey, the Sevcon MOS90 631/40277 power supply unit went down mid-shift. Needs attention ASAP. Thanks!

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#Sevcon by Beamond on 2012-08-04 14:24
The Sevcon MOS90 631/46002 experienced a power supply issue, resulting in downtime. This occurred earlier today during the morning shift. I would appreciate a

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#Sevcontrol by corbell on 2013-01-17 19:36
Hello, I have a client in need of assistance with a Sevcontrol MOS90 631/40164 power supply. They are experiencing some issues with it. Can you please provide some information on troubleshooting and repair options? Thank you.

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#Sevcon by Carlos Garcia on 2012-02-18 15:17
Sevcon MOS90 631/46002 power supply not producing any voltage.

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#Sevcon by Agustín Vega Yépez on 2012-01-08 01:43
Hello, I am interested in purchasing a Sevcon MOS90 631/46002 Power Supply. I am not entirely sure if this is the correct model, but my team suggested reaching out to inquire about pricing and availability. I am looking to source this unit quickly. Thank you.

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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
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No walk-ins accepted.