Sevcon Service & Repair Forum
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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145 Rockwell Place Ct
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Phone: 1-336-969-0110
Recent 130 Comments
The Sevcon MOS90 631/40277 power supply is failing to provide the necessary electricity, causing a complete shutdown of production.
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Sevcontrol MOS90 631/40164 power supply is malfunctioning, impacting production.
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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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The Sevcon MOS90 631/40277 power supply unit is not working as reported from the shop.
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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.
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The Sevcon MOS90 631/40277 power supply unit is not working as reported by someone in the shop.
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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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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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Hey, the Sevcon MOS90 631/40277 power supply unit went down mid-shift. Needs attention ASAP. Thanks!
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I'm having trouble with the Sevcon MOS90 631/40277. It seems to be related to the power supply, but I'm not exactly sure. The machine stopped working and I'm not sure how to fix it.
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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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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?
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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 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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The Sevcon MOS90 631/41063 unit is not functioning properly. Please investigate and provide assistance.
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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 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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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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Hello, I'm interested in purchasing a Sevcon MOS90 631/46002 Power Supply. Could you please provide information on pricing and availability? I am looking to source one quickly. Thank you!
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The Sevcon MOS90 631/46002 unit is not functioning properly and requires maintenance attention.
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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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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 MOS90 631/40277 is still down and in need of assistance. Please respond
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: 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: 
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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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Inquiry about Sevcon 150-14680 REV B Fuse Board Repair or SaleHello,I hope you are doing well. I am reaching out regarding a Sevcon 150-14680 REV B Fuse Board that I was asked to inquire about. Unfortunately, the person who provided me with this information did not give me any details or description…Purchase or Repair: 
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Our Sevcon MOS90 631/46002 unit experienced a power supply issue causing downtime today at 345 PM. Need quick resolution before the next shift starts. Thank you.
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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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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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The Sevcontrol MOS90 631/40164 power supply unit is not functioning as expected. It is exhibiting abnormal behavior that is unfamiliar to me.
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Sevcon MOS90 631/46002 power supply failure on one of the drives or boards. Need immediate attention to prevent downtime.
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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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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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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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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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Could you please confirm if the Sevcon MOS90 631/46002 Power Supply unit is still supported or if replacement parts are available for it? Thank you.
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My Sevcon MOS90 631/40277 unit is not providing power. Need assistance or technician to repair. Thank you.
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: Our industrial unit is experiencing persistent issues with the hydraulic system in our production line. We have experienced multiple malfunctions, including incomplete processing of orders and production delays. The unit's hydraulic pressure control mechanism has been failing intermittently, causi…Purchase or Repair: 
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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.
—> Purchase or Repair:
—> Purchase or Repair:
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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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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Can the Sevcon MOS90 631/40277 power supply be repaired or bought? Checking this off my to-do list.
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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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Is the Sevcon MOS90 631/40277 still supported or are replacement parts available for repair?
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Do you have a Sevcon MOS90 631/46002 power supply available for sale or repair? Our unit is down, and we need a solution to keep production running.
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