Sevcon Service & Repair Forum
: 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 production has come to a standstill, resulting in significant financial losses. We have assessed the potential repair costs at a minimum of $50,000, with the possibility of even higher expenses depending on the extent of damage and availability of replacement parts. However, given the critical nature of this unit and its long-term reliance on our manufacturing processes, we are exploring alternative options such as rebuilding the control system or seeking out a pre-existing, similar unit for a quicker solution.:
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- Sevcon → Sevcon MOS90 631/46002 ↗
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110
Recent 128 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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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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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 631/46002 is still down and I need assistance with the power supply. Please provide a response this time.
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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.
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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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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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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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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 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 631/46002 is not functioning properly and requires attention from the maintenance team.
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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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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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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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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.
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Drive failure reported on Sevcontrol MOS90 631/40038 controller. Need immediate attention to troubleshoot and replace.
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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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Sevcon MOS90 631/40277 is malfunctioning, affecting the power supply line. Please prioritize this issue with the repair service to ensure a swift resolution.
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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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My Sevcontrol MOS90 631/40164 power supply is malfunctioning and needs repair. Looking for a qualified technician to fix it as soon as possible. Thank you.
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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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Can the Sevcon Millipak Control Unit be repaired or replaced? Trying to check it off your to-do list.
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Is the Sevcon MOS90 631/40277 still supported or are replacement parts available for repair?
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I am following up on the Sevcon MOS90 631/46002 issue. The unit is still down. Please respond
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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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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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My Sevcon MOS90 631/40277 is still down and in need of assistance. Please respond
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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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My Sevcon MOS90 631/40277 unit is not providing power. Need assistance or technician to repair. Thank you.
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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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Sevcontrol MOS90 631/40164 seems to be down due to a power supply issue. No power, no lights, and no response from the equipment. Please advise on the possible cause and solution.
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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 631/40277 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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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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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.
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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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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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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 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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The Sevcon MOS90 631/46002 unit is not functioning properly and requires maintenance attention.
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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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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 Sevcontrol MOS90 631/40164 power supply unit in the warehouse is exhibiting unusual behavior - not functioning as it typically does.
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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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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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