Sevcon Service & Repair Forum
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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Recent 130 Comments
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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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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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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Hey, the Sevcon MOS90 631/40277 power supply unit went down mid-shift. Needs attention ASAP. Thanks!
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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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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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Can the Sevcon MOS90 631/40277 power supply be repaired or bought? I'm looking to check this off my to-do list.
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Hello, I am reaching out regarding Sevcon MOS90 631/46002, which is a Power Supply unit. My client is experiencing issues with it and needs some information on repair services. Can you please provide details on troubleshooting and repair options available for this specific model? Thank you. —> …Purchase or Repair: 
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The Sevcon MOS90 631/40277 unit has failed - issue with the power supply. Needs attention ASAP.
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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 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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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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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 631/46002 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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Can the Sevcon MOS90 631/40277 power supply be repaired or bought? I'm trying to check this off my to-do list.
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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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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, 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.
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Could you please confirm if the Sevcon MOS90 631/40277 can be repaired or if a replacement can be purchased? I'm trying to check this off my to-do list. Thank you!
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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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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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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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Do you have a Sevcon MOS90 631/41063 controller available for sale or repair? This unit is crucial for our production. Your
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I'm experiencing some issues with the Sevcon MOS90 631/46002 related to its power supply. It seems like something has stopped working, but I'm uncertain about the exact nature of the problem. Any assistance would be greatly appreciated.
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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? The unit is older, and we are unsure about the manufacturer. Thank you.
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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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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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The Sevcon MOS90 631/40277 unit is not working and is related to power supply.
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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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My Sevcon MOS90 631/40277 is still down and in need of assistance. Please respond
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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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Sevcontrol MOS90 631/40164 power supply is malfunctioning, impacting production.
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The Sevcontrol MOS90 631/40164 power supply unit is not functioning properly. Maintenance team needs assistance. Thank you.
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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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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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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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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.
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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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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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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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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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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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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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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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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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