Sevcon Service & Repair Forum
Machine is not receiving power; production is currently offline.
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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
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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The Sevcon MOS90 631/40277 unit is not working and is related to power supply.
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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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Sevcon MOS90 631/46002 power supply failure on one of the drives or boards. Need immediate attention to prevent downtime.
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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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I am following up on my previous message regarding the Sevcontrol MOS90 631/40038 unit being down. It is crucial that someone addresses this issue
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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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My Sevcon MOS90 631/40277 is still down and in need of assistance. Please respond
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the Sevcon MOS90 631/46002 unit that handles the power supply went down mid-shift. Need someone to take a look ASAP in the morning.
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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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: 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 Sevcontrol MOS90 631/40164 power supply isn't working as per the message from the shop.
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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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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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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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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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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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Is the Sevcon MOS90 631/40277 still supported or are replacement parts available for repair?
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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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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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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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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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My Sevcon MOS90 631/40277 unit is not providing power. Need assistance or technician to repair. Thank you.
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Sevcontrol MOS90 631/40164 power supply is malfunctioning, impacting production.
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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, I'm interested in purchasing a Sevcontrol MOS90 631/40164 power supply. I'm not 100% sure if this is the correct model, but my team suggested I reach out to inquire about pricing and availability. I'm looking to source one quickly. Thank you.
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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.
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We are experiencing power supply issues with the Sevcon MOS90 631/46002, impacting our production line. Urgent repair service is required to rectify the problem and resume normal operations
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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 unit is not functioning properly and requires maintenance attention.
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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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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 am following up on the Sevcon MOS90 631/46002 issue. The unit is still down. Please respond
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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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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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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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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 is not functioning properly and requires attention from the maintenance team.
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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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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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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 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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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, 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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