Sevcon Service & Repair Forum

We still have not received any response regarding the Sevcon MOS90 631/46002 unit being down. Please provide an update immediately.

—> Purchase or Repair: Ticket Image

— Posted by Garry S James on 2012-01-22

Reply🗨️Ask a New Question Below❓


Recent Comments Search: "Sevcon"

If you need your Sevcon 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.
Shipping/Receiving:
Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
Phone: 1-336-969-0110


Recent 130 Comments

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

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Sevcon by kurnianto on 2013-04-14 04:31
Can the Sevcon MOS90 631/40277 power supply be repaired or bought? I'm looking to check this off my to-do list.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Sevcon by Mohammad Tazuddin on 2013-08-15 12:01
Can the Sevcon MOS90 631/40277 power supply be repaired or bought? I'm trying to check this off my to-do list.

—> Purchase or Repair:
#Sevcon by Salahuddin on 2015-08-11 14:20
Sevcon MOS90 631/41063 controller just failed, need immediate replacement.

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

—> Purchase or Repair:
#Sevcon by Nosowicz on 2012-08-19 13:07
Can you please provide more information about the Sevcon MOS90 631/46002 power supply unit so I can check if it is still supported and if replacement parts are available?

—> Purchase or Repair:
#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!

—> Purchase or Repair:
#Sevcon by Rodger Jarrett on 2012-01-01 20:53
Can this Sevcon MOS90 631/46002 power supply unit be repaired or bought as a replacement? Just trying to resolve this as part of completing my to-do list.

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

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Sevcon by HOSPITAL on 2012-11-02 09:45
Can the Sevcon MOS90 631/46002 Power Supply be repaired or bought? I'm trying to check this off my to-do list. Thank you!

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Sevcon by harper on 2012-11-21 17:47
Hello, I am reaching out on behalf of my client who is experiencing an issue with their Sevcon MOS90 631/46002, described as a power supply problem. Can you please provide assistance or information regarding this matter? Thank you.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Sevcon by Olimpiu on 2013-02-11 05:39
The Sevcon MOS90 631/40277 power supply unit is not working as reported from the shop.

—> Purchase or Repair:
#Sevcon by David Barnes on 2012-03-16 13:47
Hello, I am inquiring about Sevcon MOS90 631/46002, which is a power supply. My client is experiencing issues with this part and would like to get more information on repair options. Thank you.

—> Purchase or Repair:
#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.

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

—> Purchase or Repair:
#Sevcon by Dan Brock on 2026-06-02 18:02
I have a 4 wheel drive bad boy buggies that i changed from lead acid to lithium and now the machine wont move . I get a code on my sevcon 633T45320 controler that indicates either the motor is bad or the contactors are bad. I ve replaced both and i still gat the code. Wondering if there is a reset t…Purchase or Repair: Ticket Image...
Show More
#Sevcon by Splintercel on 2012-01-25 02:29
Sevcon MOS90 Drive (631/46002) failure power supply issue. Need immediate replacement to restore operations. On my way to next machine.

—> Purchase or Repair:
#Sevcon by bhvnveszpk on 2015-07-06 16:58
Do you have a Sevcon MOS90 631/41063 controller available for sale or repair? This unit is crucial for our production. Your

—> Purchase or Repair:
#Sevcon by JENNIFER SMITH on 2015-08-15 08:20
The Sevcon MOS90 631/41063 controller is displaying error code E5. Equipment not responding, possible issue with control board. Please advise on troubleshooting steps or repair needed. Thank you.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Sevcon by Eichhorst on 2012-03-03 02:10
We are experiencing power supply issues with the Sevcon MOS90 631/46002, impacting the production line. Urgent repair service needed to resolve the problem swiftly. Please prioritize this issue to minimize disruption.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Sevcon by Kevin West on 2015-07-22 00:20
Can you provide me with a timeline of the issue or the parts you've tried to fix it if you have?

—> Purchase or Repair:
#Sevcon by Ojalvo on 2013-11-22 00:00
The Sevcon MOS90 631/40277 power supply unit is not working as reported by someone in the shop.

—> Purchase or Repair:
#Sevcon by Edgar Rodriguez on 2013-03-16 20:15
My Sevcon MOS90 631/40277 is still down and in need of assistance. Please respond

—> Purchase or Repair:
#Sevcon by jean on 2013-04-04 23:28
Looking for someone to repair a Sevcon MOS90 631/40277 power supply unit.

—> Purchase or Repair:
#Sevcon by NGUYEN HUY DINH on 2015-08-01 23:20
Hello, Do you have repair information available for a Sevcon MOS90 631/41063 controller that needs a replacement? It stopped working, and we need a quick solution. Your

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Sevcon by McDaid on 2012-08-02 05:55
Hi there, can you provide repair information for a Sevcon MOS90 631/46002 Power Supply unit? It has stopped working and we need a replacement. Thank you.

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

—> Purchase or Repair:
#Sevcon by Rouillard on 2013-07-16 12:44
Sevcon MOS90 631/40277 power supply issue affecting the production line. Urgently need repair service to resolve.

—> Purchase or Repair:

Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.