Sevcon Service & Repair Forum
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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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
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 unit in the warehouse is behaving unusually. It's not functioning as expected, exhibiting erratic behavior.
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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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Sevcontrol MOS90 631/40164 power supply is malfunctioning, impacting production.
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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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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 631/40277 unit has failed - issue with the power supply. Needs attention ASAP.
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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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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 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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The Sevcon MOS90 631/40277 power supply is failing to provide the necessary electricity, causing a complete shutdown of production.
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The Sevcon MOS90 631/41063 unit is not functioning properly. Please investigate and provide assistance.
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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 Sevcontrol MOS90 631/40164 power supply unit is not functioning properly. Maintenance team needs assistance. Thank you.
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Is the Sevcon MOS90 631/40277 still supported or are replacement parts available for repair?
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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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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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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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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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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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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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The Sevcon MOS90 631/40277 unit is not working and is related to power supply.
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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 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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My Sevcon MOS90 631/40277 unit is not providing power. Need assistance or technician to repair. Thank you.
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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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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 631/46002 Power Supply be repaired or bought? I'm trying to check this off my to-do list. Thank you!
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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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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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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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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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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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the Sevcontrol MOS90 631/40164 power supply unit went down mid-shift. Please check it out first thing in the morning. Thanks!
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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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Sevcon MOS90 631/40277 power supply issue affecting the production line. Urgently need repair service to resolve.
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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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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, 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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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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I need an update on the status of the Sevcon MOS90 631/46002 Power Supply. The unit is still down, and I require a response
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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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The Sevcon MOS90 631/46002 unit is currently not functioning. Maintenance team needs assistance with it.
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