Mitsubishi Service & Repair Forum

The Mitsubishi inverter FR-U120-N1-5K-UF is displaying error code E22. Machine is not responding to commands and shows "OC" on the display. Need urgent assistance to troubleshoot and fix the issue to resume production.

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β€” Posted by Luciano da silva gradim on 2025-06-12

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If you need your Mitsubishi unit tested or repaired,
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Recent 107 Comments

#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 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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Hello! I hope you're doing well. I'm working on getting your Mitsubishi Electric Corporation MDS-C1-V2-1010 servo drive repaired or replaced. Before proceeding, I just wanted to confirm if it can be repaired or if a new one needs to be purchased. 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 M.Kaviani nezhad on 2018-08-09 17:16
Hello, Can you please provide more information regarding troubleshooting and potential repair options for a Mitsubishi A1SJ71AP21 Data Link Module? Thank you.

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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 Electric by Darrell lamme on 2010-03-22 22:51
the Mitsubishi Electric BD625A887G52 KON-128H power supply unit went down mid-shift. Needs attention ASAP!

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#Mitsubishi Electric by STEVE PATTON on 2010-04-26 22:06
Hi there! Could you please provide repair information for the Mitsubishi Electric BD625A887G52 KON-128H power supply unit? Our team urgently needs this information for a replacement. Thank you.

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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 Geraldzew on 2018-02-17 00:46
The Mitsubishi HF-KP23B drive or board has failed, needs immediate attention. Operating at less than optimal capacity, affecting production.

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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 hieu on 2010-08-03 12:01
Please advise if the Mitsubishi MR-SA-33T Melservo-SA servo drive is still supported or if replacement parts are available. Thank you.

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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 zhangmenglong on 2010-01-21 04:25
Looking for repair for Mitsubishi MDS-A-V2-3510 Servo Drive/Spindle Amplifier - experiencing erratic movements and abnormal noises during operation. Need assistance ASAP to ensure operations remain uninterrupted.

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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 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 kelly wiebe on 2010-08-21 04:37
Hello, I'm interested in sourcing a Mitsubishi MDS-A-V2-3510 Servo Drive/spindle amplifier. Could you please provide information on pricing and availability? I'm looking to acquire one

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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 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 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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The Mitsubishi Electric BD625A887G52 KON-128H power supply unit seems to be malfunctioning. It is exhibiting unusual behavior, but I'm not certain what the issue is.

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#Mitsubishi by FAWZY on 2014-09-18 00:00
Urgent Downtime Report for Mitsubishi MDS-CH-CV-260Hi Team,I am writing to report an unexpected downtime caused by the Mitsubishi MDS-CH-CV-260 unit. Unfortunately, the specific issue is unknown at this time as we are still investigating the root cause.Downtime occurred today at , impacting our prod…Purchase or Repair: Ticket Image...
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#Mitsubishi by Md. Abdullah Khan on 2010-03-21 03:42
Hello, we need repair info for a Mitsubishi MDS-A-V2-3510 Servo Drive/spindle amplifier. It stopped working and we require a replacement. Can you provide repair assistance quickly for this model? Thank you.

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#Mitsubishi by SHAIKH on 2025-05-24 21:12
the Mitsubishi MDS-A-SP-150 spindle drive unit went down mid-shift last night. Needs attention ASAP. Cheers.

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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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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 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 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 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 Mehmet KARA on 2007-06-24 02:40
When I turn on the uniformity machinery, al32 alarm appears suddenly on mrh350an servo driver.Please help me. What does it mean \"al32\"

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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.β€”> …Purchase or Repair: Ticket Image...
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#Mitsubishi Electric by ALEXIS PARRA on 2010-04-27 03:06
I have a Mitsubishi Electric BD625A887G52 KON-128H power supply unit that needs repair. It is currently not functioning and I need someone skilled in industrial unit repairs to address the issue

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#Mitsubishi by Marginean Marius on 2011-08-02 09:08
Dear Sirs, Please help us with an error code that we have on this driver MDS-B-SP-260, from a MAZAK CNC Lathe QT-200.On the display of the driver we have F6 - 36 error code, and on the machine driver malfunction.Thank you and we are waiting for your reply,Best regards,Marginean Mariusβ€”> …Purchase or Repair: Ticket Image...
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#Mitsubishi by Phil Hibdon on 2025-04-15 06:47
The Mitsubishi 501W000 drive unit is malfunctioning, causing a complete halt in production. Urgent repairs are needed to ensure minimal downtime and resume operations swiftly.

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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 jeerkajh on 2025-05-21 05:51
Hi, I'm looking for repair info on a Mitsubishi dl-scz-22-k-d. Urgent replacement needed, but can't find one. Can you assist with repair details ASAP? Thank you.

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#Mitsubishi by Len King on 2010-03-18 05:08
The Mitsubishi MR-SA-33T Melservo-SA servo drive malfunctioned yesterday at 730 PM, leading to unexpected downtime. We need to identify the root cause

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#Mitsubishi by HUANG on 2010-11-18 18:17
We have a Mitsubishi MDS-A-V2-3510 Servo Drive/spindle amplifier that stopped working. Could you please provide repair information or suggest where to find a replacement? Thank you for your quick assistance.

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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 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 Glenn Karl on 2010-04-19 13:15
I'm interested in purchasing a Mitsubishi MR-SA-33T Melservo-SA Servo Drive. Can you please provide information on pricing and availability? I'm looking to source one quickly. Thank you.

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#Mitsubishi by maintenance dept. on 2010-10-15 20:40
The Mitsubishi MR-SA-33T Melservo-SA unit is not working.

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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 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 Nino Yanchapaxi on 2021-03-21 09:15
The unit connected with the Mitsubishi Q170CDCBL3M cable for the A30CD-PCF SSCNET interface board is behaving unusually.

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#Mitsubishi by Mike Stalzer on 2016-07-23 00:00
Based on my previous experience, the MITSUBISHI PD21B CNC module might be experiencing intermittent power loss resulting in frequent system freezing during operation. This could indicate a potential issue with the power supply or internal connections. Further inspection by a qualified technician is …Purchase or Repair: Ticket Image...
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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 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 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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#Mitsubishi Electric by Mukesh Rawat on 2010-10-25 19:54
The power supply unit of the Mitsubishi Electric BD625A887G52 KON-128H is failing, disrupting the production line. Urgent repair is needed to resume operations swiftly.

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