Mitsubishi Service & Repair Forum

The Mitsubishi BY171E475G51 control board failed on Machine #3. Need replacement ASAP to prevent further downtime.

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— Posted by Morne Maree on 2025-05-26

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145 Rockwell Place Ct
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Phone: 1-336-969-0110

Recent 107 Comments

#Mitsubishi by tommyhung on 2010-10-30 18:10
my melservo MR-J2S-70A problem, alarm AL.10.please give me know cause why? thanks

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#Mitsubishi Electric Corporation by Charles Aron on 2025-05-18 06:08
Hello, we have a Mitsubishi Electric Corporation MR-E-40AG-KH003 servo drive that needs repair or replacement. Can you please provide information on how to proceed? Thank you.

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#Mitsubishi by lyndon hammill on 2024-10-07 17:02
Mitsubishi Q68DAI D/A Converter Module is malfunctioning, impacting production line output. Urgent repair needed to resume operations

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#Mitsubishi by hussein atrees on 2006-11-02 04:36
I HOPE THATE YOU HELP US TO SOLV THES PROPLEM IN MELSERVO MODEL MR-SA502WHEN POWER ON THE ALARM COD AL32 IS DISPLAY THANK YOU FOR YOUR SUPPORT

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#Mitsubishi by Sunil Shivatare on 2011-11-09 14:09
Dear Sir .We have a cnc sliding head machine on which the mitsubishi - AC Servo MELSERVO-SA is fitted for turret application .Macvhine has been recently imported .While installation we r facing problem on the above drive .Intially alarm AL32 over current alarm was coming ,so we tried to check the mo…Purchase or Repair: Ticket Image...
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#Mitsubishi by blackjack54 on 2017-09-26 07:57
Machine displaying error code E102.

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#Mitsubishi by KOSTAS on 2010-10-04 16:55
Could you please provide detailed information on troubleshooting and repairing a Mitsubishi MR-SA-33T Melservo-SA Servo Drive? My client is experiencing some issues with it. Thank you.

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#Mitsubishi by Helder on 2010-03-19 06:35
I'm having trouble with the Mitsubishi MDS-A-V2-3510. Something seems to have stopped working with the machine. I'm not exactly sure what the issue is, but I wanted to reach out for assistance.

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#Mitsubishi Electric by Keyes on 2010-11-13 22:08
The Mitsubishi Electric BD625A887G52 KON-128H power supply unit is not working according to the maintenance team. Please investigate further.

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#Mitsubishi by Ika on 2010-09-19 11:17
Hello, we have a Mitsubishi MR-SA-33T Melservo-SA Servo Drive that recently stopped working. We are looking for repair information or a replacement. Would you be able to assist us with this issue? Thank you.

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#Mitsubishi by Lon on 2010-04-12 10:16
I need assistance with the Mitsubishi MDS-A-V2-3510 Servo Drive/Spindle Amplifier unit. It caused downtime. What happened? When did it occur? Waiting for a quick answer before the next shift.

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#Mitsubishi by Tim Van Bruggen on 2011-04-05 14:05
I have a Mitsubishi lathe model M-TC8A serial TC8A-005. I believe one of the soft keys on the controll is sticking. I have removed both the small board and large board and cannot find anything wrong with them. I am pretty sure that one is sticking because I can here the beep and all my lights flash …Purchase or Repair: Ticket Image...
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#Mitsubishi by Ted Acker on 2019-04-21 07:03
The Mitsubishi HF-SP352 3.5kW Servo Drive experienced a malfunction, causing downtime during the last shift. It is crucial to resolve this issue

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#Mitsubishi by Negron on 2005-09-15 00:00
Hi there, I am currently assisting an employee with a malfunction on a Mitsubishi MR-J2-100A system. The issue is unclear, and we are in need of repair information to identify the problem and find a replacement part. Can you please provide us with detailed repair instructions or suggest a suitable r…Purchase or Repair: Ticket Image...
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#Mitsubishi by Phanom on 2008-01-31 09:13
I HOPE THATE YOU HELP US TO SOLV THES PROPLEM IN MELSERVO MODEL MR-SA502WHEN POWER ON THE ALARM COD AL24 IS DISPLAY THANK YOU FOR YOUR SUPPORT

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#Mitsubishi by Manuel Jimenez Garcia on 2008-05-15 02:17
their is an error on our mitsubishi melservo-sa-r the error is alarm 52. pls reply us. thanks.

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#Mitsubishi by Arstall on 2010-03-23 12:20
Hello, I'm interested in purchasing the Mitsubishi MR-SA-33T Melservo-SA Servo Drive. I wanted to inquire about its pricing and availability as I am looking to source one quickly. Thank you.

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#Mitsubishi by Mr. Surya Agussatria on 2021-07-19 03:58
Mitsubishi FR-E540-5.5K-CHT inverter displaying "Overcurrent Fault" error code.

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#Mitsubishi by R.Baskaran on 2009-08-19 19:31
Dear Sir, In MR-J2S-70A servo drivedisplay showing AL - - ,Kindly help us to solve this problemRegardsR.Baskaran

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#Mitsubishi by Bhogal on 2024-11-09 11:05
The Mitsubishi HF-SP102B Servo Drive unit malfunctioned today, causing unexpected downtime. The issue occurred during the morning shift. Could you provide guidance on troubleshooting and resolving this problem before the next shift begins?

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#Mitsubishi by Strayer on 2010-08-17 09:22
Mitsubishi MDS-A-V2-3510 issue Servo Drive/Spindle amplifier malfunction impacting production line. Urgent action needed for repair service assistance.

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#Mitsubishi by sonnico elsisura on 2006-12-05 17:52
their is an error on our mitsubishi melservo-sa-r the error is alarm 52. pls reply us. thanks.

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#Mitsubishi by ALAN BUTTIGIEG on 2024-11-22 02:21
One of the Mitsubishi QM30DY-H transistor modules failed - need a replacement ASAP!

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#Mitsubishi by SLANINA on 2010-11-18 01:17
The Mitsubishi MDS-A-V2-3510 Servo Drive/spindle amplifier unit is down. Needs immediate attention. Please follow up during the day. - Night shift maintenance crew.

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#Mitsubishi by sidney karsney on 2025-06-09 01:00
Looking for a technician to repair my Mitsubishi FR-SF-2-22K-R power supply unit. It's not producing any power, need it fixed urgently.

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#Mitsubishi by Pai on 2024-08-30 11:23
Do you have a Mitsubishi MDS-C1-SPH-55 in stock for sale or repair? Our production is waiting on this crucial component.

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#Mitsubishi by Dale on 2010-08-21 00:30
Hey, the Mitsubishi MR-SA-33T Melservo-SA drive unit is down. Needs attention ASAP. Hope you can check it out in the morning.

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#Mitsubishi by Aguiar on 2010-07-12 21:14
The Mitsubishi MDS-A-V2-3510 MDS-A-V2-3510 servo drive/spindle amplifier seems to have stopped working properly. It's causing issues with the machine's functionality, but I'm unsure of the exact problem. Hopefully, we can get it resolved soon.

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#Mitsubishi by Jeff Osborn on 2025-01-20 02:44
The Mitsubishi FR-D720-2.2K inverter unit is not functioning properly. Please inspect and troubleshoot the issue at your earliest convenience.

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#Mitsubishi by Jansen Danganan on 2020-01-01 23:22
Our Mitsubishi MDS-B-V2-1005 servo drive unit is still down. We need assistance with this matter urgently. Please respond

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#Mitsubishi Okk Hm-40 by Ben Cooper on 2023-05-17 00:00
The Mitsubishi Okk HM-40 is not functioning properly.

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#Mitsubishi by Morne Maree on 2025-05-26 16:36
The Mitsubishi BY171E475G51 control board failed on Machine #3. Need replacement ASAP to prevent further downtime.

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#Mitsubishi by wesley eddlemo on 2020-09-15 04:06
The Mitsubishi FR-A540-22K A500 22KW Inverter is not working.

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#Mitsubishi by Hitoshi Sugi on 2008-05-06 06:05
Dear sir.We are manufacturing the electrical machinery and apparatus in Japan.Our customer is using Mitsubishi Melservo MR-SA 202U.But Alarm code 24 indicated on the display of that one.The servomotor did not move. Please estimate it for repair if it is possible. Products .....Mitsubishi AC servo MR…Purchase or Repair: Ticket Image...
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#Mitsubishi by Ramanamapamonjy Rivosoa on 2025-06-09 07:32
The Mitsubishi FX3U-64DP-M unit stopped communicating with the PROFIBUS-DP interface master. Please investigate and resolve as soon as possible. Thank you!

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#Mitsubishi by SYED TALHA ANSAR on 2011-01-09 16:48
DEAR SIR I AM USING MR-J2S-10A BUT SOME OF MY DERIVES R INDICATING AL-E9I HAVE REPLACED ITS POWER MODULE BUT THE PROBLEM IS STILL THEREWILL U PLZ GUIDE METHANX

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#Mitsubishi by JOSEPH ALEXANDER OF REZENND on 2010-01-15 07:14
Please provide details on the availability of support or replacement parts for the Mitsubishi MDS-A-V2-3510 Servo Drive/spindle amplifier. We are in need of a replacement or repair option for this older unit. Thank you.

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#Mitsubishi Electric by Tim Murphy on 2010-01-03 21:39
Reporting a failed drive or board on the Mitsubishi Electric BD625A887G52 KON-128H power supply. Action needed ASAP to avoid downtime.

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#Mitsubishi by Ben Tudor on 2023-10-22 16:28
Mitsubishi Inverter IssueMessageHi there, I was informed that the Mitsubishi FR-E520S-1.5K-EC 1.5kW inverter is not working properly. Kindly assist with troubleshooting or repairs. Thank you.

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#Mitsubishi by The on 2010-12-05 01:34
Hello, my client is experiencing issues with a Mitsubishi MR-SA-33T Melservo-SA Servo Drive. Can you please provide information on troubleshooting and potential repair options for this model? Thank you.

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#Mitsubishi by Iwan Sutio on 2023-07-30 12:40
Hi there, I understand you're having an issue with the Mitsubishi FR-S540E-0.75K-EC unit. From what I gather, it's a 0.75kW three-phase micro inverter compatible with the FR-DU04. The problem seems to be that it's not working as expected. Let me know if you need further assistance.—> …Purchase or Repair: Ticket Image...
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#Mitsubishi by DITMER on 2010-01-29 20:19
We experienced downtime due to an issue with the Mitsubishi MDS-A-V2-3510 Servo Drive/Spindle Amplifier. Can you please provide some guidance on what might have caused this and when it occurred? Appreciate your

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#Mitsubishi by BATSCH on 2020-12-03 18:34
Can the Mitsubishi MR-J2S-200B-QR141U633 Servo Drive be repaired or replaced? Trying to check this off my to-do list. Thank you.

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#Mitsubishi by Mark Ivess on 2025-05-17 11:38
Looking for someone to repair my Mitsubishi FR-Z320-11K-AL inverter. It's not responding and needs immediate attention. Thank you.

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#Mitsubishi by Asheesh on 2025-01-15 02:09
One of the boards on the Mitsubishi FX3U-7DM display module has failed, causing a disruption in the system. Need to troubleshoot and replace

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#Mitsubishi by mittal on 2024-05-28 03:52
The Mitsubishi FR-SF-4-26KP-T AC Spindle Controller is not functioning normally. It is exhibiting unusual behavior and not working as expected. Please look into this issue to ensure the unit is operating correctly.

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#Mitsubishi by Boros on 2010-11-04 23:44
The Mitsubishi MDS-A-V2-3510 Servo Drive/spindle amplifier unit is not working.

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#Mitsubishi Electric by GRAPHIQUE on 2010-12-21 22:42
The Mitsubishi Electric BD625A887G52 KON-128H power supply unit is not functioning properly. Please investigate and address the issue.

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#Mitsubishi by Mukesh Rawat on 2011-02-16 07:56
Dear sir,I want the specification of this battery(MR-BAT)so please send me early.Need to replace this battery.Thanks Mukesh Rawat

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#Mitsubishi by Lluis j Jaimes Delgado on 2017-03-27 14:00
The Mitsubishi FR-F740-S185K-CHT inverter drive just failed, need immediate attention. No operations until fixed.

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