Sevcon Service & Repair Forum

I'm currently experiencing an issue with the Sevcon MOS90 631/41063 controller. I'm unsure of the specifics, but something seems to have stopped working. Any assistance would be greatly appreciated.

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— Posted by Surma on 2015-01-10

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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 128 Comments

#Sevcon by SHAIKH MUJJAFAR NAJIR on 2012-07-19 03:59
I'd like to inquire about the pricing and availability of the Sevcon MOS90 631/46002 Power Supply unit. My team recommended I reach out to you regarding this. I am hoping to source one quickly. Thank you!

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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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#Sevcon by Bayu on 2012-09-19 19:15
The Sevcon MOS90 631/46002 unit appears to be a power supply. It is currently not functioning properly, and assistance from the maintenance team is needed.

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

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#Sevcon by alton on 2012-06-05 22:19
I need an update on the Sevcon MOS90 631/46002 power supply. The unit is still down. Please reply

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#Sevcon by Anita Hadlow on 2013-08-19 19:32
I have a Sevcon MOS90 631/40277 industrial unit that is not powering up. Looking for a repair technician to fix it as soon as possible.

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#Sevcon by Foor on 2013-02-24 10:59
Could the Sevcon MOS90 631/40277 power supply be repaired or purchased as a replacement? I'm working on checking this off my to-do list. Thank you!

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#Sevcontrol by Debra Posey on 2013-03-21 23:40
Sevcontrol MOS90 631/40164 power supply is malfunctioning, impacting production.

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#Sevcontrol by Dennis Fischer on 2013-07-23 23:32
We experienced downtime due to a power supply issue with the Sevcontrol MOS90 631/40164. Need a quick explanation of what happened and when it occurred. Shift change is imminent.

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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 byers on 2013-10-31 14:12
One of the Sevcontrol MOS90 631/40164 boards just went down. Need to troubleshoot and replace ASAP to get back up and running.

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#Sevcon by marcio on 2012-08-19 14:07
Hey, the Sevcon MOS90 631/46002 unit lost power mid-shift. Please check it out during the day. - Night Shift Crew

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#Sevcon by furqan on 2013-07-28 09:32
The Sevcon MOS90 631/40277 unit has failed - issue with the power supply. Needs attention ASAP.

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#Sevcon by Monica on 2012-11-19 04:59
Could you please confirm if the Sevcon MOS90 631/46002 power supply unit is still supported or if replacement parts are available? The unit is older, and we are unsure about the manufacturer. Thank you.

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#Sevcon by Ken Van Dyke on 2012-10-24 18:37
I need an update on the status of the Sevcon MOS90 631/46002 power supply. The unit is still down. Please provide a

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#Sevcon by Pavlicek on 2006-12-11 00:00
My Sevcon Millipak controller is not powering on, and the machinery it controls is non-functional. Looking for a technician who can diagnose and repair the issue

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#Sevcon by idioksgafsike on 2015-07-22 16:20
The Sevcon MOS90 631/41063 unit is not functioning properly. Please investigate and provide assistance.

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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 peter coutts on 2013-02-01 16:53
I apologize for the inconvenience, but there seems to be an issue with the power supply unit of your Sevcon MOS90 631/40277. It's possible that this is causing the machine to stop working as expected. I recommend contacting a technician to diagnose and resolve the problem.

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#Sevcon by Tanwarr on 2012-08-02 10:55
Could you please provide any additional information about the Sevcon MOS90 631/46002 power supply so we can check if it's still supported and if replacement parts are available? Thank you.

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#Sevcontrol by Chinh on 2013-03-25 10:32
Hello, my client is having issues with a Sevcontrol MOS90 (part number 631/40164) related to the power supply. Can you provide information on troubleshooting steps or potential repairs for this? Thank you.

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#Sevcon by Arslan on 2015-01-10 07:41
The Sevcon MOS90 631/41063 controller is exhibiting abnormal behavior in the warehouse.

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#Sevcontrol by IDONGESIT EKPO on 2013-08-04 19:32
The Sevcontrol MOS90 631/40164 power supply unit is not functioning properly. Maintenance team needs assistance. Thank you.

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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 donnie rasnake on 2012-06-23 23:35
Can the Sevcon MOS90 631/46002 power supply be repaired or bought? I'm trying to address this on my 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 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 Jack M Hughey on 2012-01-04 19:51
The Sevcon MOS90 631/46002 unit is currently not functioning. Maintenance team needs assistance with it.

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#Sevcon by George Bose on 2012-07-16 11:30
Could you please confirm if the Sevcon MOS90 631/46002 - Power Supply unit is still supported or if replacement parts are available? Thank you.

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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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#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 James Dodds on 2013-06-17 10:16
The Sevcon MOS90 631/40277 power supply unit isn't working as reported.

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#Sevcon by McGeady on 2012-06-28 09:01
I'm following up again regarding the Sevcon MOS90 631/46002 that is still down. Urgent attention is needed. Please provide an update

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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 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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#Sevcontrol by Nab on 2013-03-17 01:15
The Sevcontrol MOS90 631/40164 is displaying error code E23, indicating a power supply failure. The equipment is currently down, and we need urgent assistance to resolve this issue.

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#Sevcontrol by Zuccarelli on 2016-07-10 20:16
Drive failure reported on Sevcontrol MOS90 631/40038 controller. Need immediate attention to troubleshoot and replace.

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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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#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 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 DIEGO SCIUTTO on 2012-12-03 20:43
The Sevcon MOS90 631/46002 unit is not functioning properly and requires maintenance attention.

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#Sevcon by Chrisman on 2012-10-28 21:03
Sevcon MOS90 631/46002 power supply not providing consistent voltage output.

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#Sevcontrol by Dincic on 2013-10-02 14:55
My Sevcontrol MOS90 631/40164 power supply unit is malfunctioning. Looking for a repair technician to resolve the issue

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#Sevcon by Garry S James on 2012-01-22 09:23
We still have not received any response regarding the Sevcon MOS90 631/46002 unit being down. Please provide an update immediately.

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#Sevcon by Eddie Thomas on 2012-08-12 19:45
We are experiencing power supply issues with the Sevcon MOS90 631/46002, impacting our production line. Urgent repair service is required to rectify the problem and resume normal operations

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#Sevcon by Surma on 2015-01-10 23:41
I'm currently experiencing an issue with the Sevcon MOS90 631/41063 controller. I'm unsure of the specifics, but something seems to have stopped working. Any assistance 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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#Sevcontrol by joseph ugwuneke on 2013-11-02 11:52
Machine not turning on.

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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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