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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- Sevcon → Sevcon MOS90 631/46002 ↗
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.
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Industrial Electronic Repair
124 Five Forks Dr PMB #208
King, NC 27021
Phone: 1-336-969-0110
Recent 130 Comments
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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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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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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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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I need an update on the Sevcon MOS90 631/46002 power supply. The unit is still down. Please reply
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My Sevcon MOS90 631/40277 is still down and in need of assistance. Please respond
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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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The Sevcon MOS90 631/40277 unit is not working and is related to power supply.
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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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The Sevcon MOS90 631/40277 unit is down, power supply issue. Please address it during the day.
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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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The Sevcon MOS90 631/40277 unit has failed - issue with the power supply. Needs attention ASAP.
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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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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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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!
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One of the drives/boards in Sevcontrol MOS90 631/40164 power supply failed. Will troubleshoot further and update on the status ASAP.
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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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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.
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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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Hello, I hope you're doing well! I'm working on getting your Sevcon MOS90 631/41063 controller fixed or replaced. Before proceeding, would you please advise if it can be repaired or if a new one needs to be purchased? I'm aiming to check this off my to-do list as soon as possible. Thank you! —> …Purchase or Repair: 
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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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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
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Can the Sevcontrol MOS90 631/40164 power supply be repaired or bought? I'm trying to check this off my to-do list.
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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 MOS90 631/40277 power supply is now down. Error code 12 appears on the screen. Please advise on the next steps to resolve this issue
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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: 
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Sevcon MOS90 Drive (631/46002) failure power supply issue. Need immediate replacement to restore operations. On my way to next machine.
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Sevcontrol MOS90 631/40164 power supply is malfunctioning, impacting production.
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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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The Sevcontrol MOS90 631/40164 power supply isn't working as per the message from the shop.
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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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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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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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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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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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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 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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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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The Sevcon MOS90 631/46002 is not functioning properly and requires attention from the maintenance team.
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The Sevcon MOS90 631/46002 power supply unit in our warehouse is exhibiting unusual behavior. It is not functioning as it typically does, and its operations seem erratic and inconsistent.
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The Sevcon MOS90 631/41063 controller is exhibiting abnormal behavior in the warehouse.
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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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Can you provide me with a timeline of the issue or the parts you've tried to fix it if you have?
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