Sevcon Service & Repair Forum
The Sevcon MOS90 631/40277 unit has failed - issue with the power supply. Needs attention ASAP.
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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
The Sevcon MOS90 631/46002 is not functioning properly and requires attention from the maintenance team.
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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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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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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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: 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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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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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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The Sevcon MOS90 631/46002 power supply component is failing, causing a disruption on the production line. Please address this issue urgently to minimize downtime. Thank you.
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Hi there, can you provide repair information for a Sevcon MOS90 631/46002 Power Supply unit? It has stopped working and we need a replacement. Thank you.
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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 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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I'm following up again regarding the Sevcon MOS90 631/46002 that is still down. Urgent attention is needed. Please provide an update
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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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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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Hey, the Sevcon MOS90 631/40277 power supply unit went down mid-shift. Needs attention ASAP. Thanks!
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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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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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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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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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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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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 not working as reported by someone in the shop.
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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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The Sevcontrol MOS90 631/40164 power supply isn't working as per the message from the shop.
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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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Can the Sevcon MOS90 631/40277 power supply be repaired or bought? Checking this off my to-do list.
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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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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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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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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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I am following up on the Sevcon MOS90 631/46002 issue. The unit is still down. Please respond
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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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The Sevcon MOS90 631/40277 power supply is failing to provide the necessary electricity, causing a complete shutdown of production.
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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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: 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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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 MOS90 631/40277 unit is not providing power. Need assistance or technician to repair. 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 631/46002 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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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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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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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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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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I need an update on the Sevcon MOS90 631/46002 power supply. The unit is still down. Please reply
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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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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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