NSK Service & Repair Forum

We are running an NSK ESA-Y2020A25-21 drive. On startup it displays an error code of E0A4. What is this error and is it a repair situation?

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β€” Posted by Curtis Indy on 2011-01-31

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If you need your NSK unit tested or repaired,
give us a call at 1-336-969-0110.
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 96 Comments

#NSK by Cheol Min Part on 2009-06-25 14:17
Dear Sir.I wonder whether you can fix this driver or not.(M-ELC-JG014VF1)If you can, let me know estimates and delivery time.If you need picture, I\'ll send you some pictures.Thanks.

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#NSK by Mcguinness on 2014-12-23 15:06
Please provide me with detailed information about the NSK ESA 4-34018-700 Drive. We are looking into the possibility of finding replacement parts or repair options for this unit. Could you please confirm if it is still supported or if any parts are available for it? Thank you. β€”> …Purchase or Repair: Ticket Image...
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#NSK by Chester Yong on 2010-08-12 09:15
dear sir,I would to check that do you able to repair this NSK driver model: ESA 23?

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#NSK by BIOTECH on 2014-12-03 23:23
Can this NSK ESA 4-65006-700 Drive be repaired or bought? I am looking to check this off my to-do list.

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#NSK by DAVID CONTRERAS on 2014-12-06 06:23
The NSK ESA 4-34018-700 drive unit isn't working.

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#NSK by Elkowich on 2014-02-13 04:58
The NSK ESA 4-65006-700 Drive unit is currently not functioning. Please investigate and provide a status update. Thank you.

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#NSK by thiagu on 2008-02-27 03:35
hi, im looking for nsk controller which the model no is EM0608A15-05. I aloso got 1 faulty controller need to be repair. pls send me the quotation togather with trasportation.

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#NSK by Scott Boynton on 2008-04-14 22:16
Hello, I have a NSK ESA Y2020 drive that appears a blown optoisolator on the quadrature encoder output. The A, B, B*, Z and Z* channels work normaly, with a zero to five volt throw, but the A* channel only has about a half volt thow. Of course this is preventing it from working properly. Can you off…Purchase or Repair: Ticket Image...
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#NSK by Jesus Escobedo on 2009-10-02 17:52
We have a NSK Servo Drive in bad conditions, when we turn on the machine, never lit the green and red leds.I appreciate your comments, in case that you can to repair my servo drive.Cordially,JesΓΊs EscobedoCNC Maintenance EngineerManufacturing Engineering DepartmentCalle 5 # 899, Zona IndustrialGuada…Purchase or Repair: Ticket Image...
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#NSK by KUMARADEVAN SANTANADEWAN on 2009-06-08 10:55
I have one unit of NSK motor controller model NSK AMD EXC3 for repair.I would like to have advice, the frequent faulty of this module during production. Most of the fauly is burn IC of M1050 at Y and X- axis motor. Pls advice!

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#NSK by valerio hernandez on 2024-08-20 13:55
The NSK ELA-B014CFC-03 unit in the warehouse is displaying unusual behavior; it's not functioning as it normally does. Please investigate the issue further to determine the cause and potential solution.

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#NSK by Navjot Singh on 2007-09-24 11:06
plz email the detail Manual and Software for NSK Servo ESA B045Af3-21 . with Regard Navjot Singh

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#NSK by Rodolfo Vargas Santamaria on 2009-09-04 19:07
I have Motor Drive Type ESA-0810A35-21.1 NO. 0812484This device sent to display the code letter P - 1 and put the power light yellow color.My question is what is this code

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#NSK by MARIO BALANDRAN on 2013-02-06 23:44
we are look9ing for KSK drive EE1010A98-25

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#NSK by Olaf Rekman on 2010-03-24 16:51
Dear sir,I am looking for a new or rebuilded NSK driver TYPE EMB014AF-2-05Please let me know.Regards - Olaf

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#NSK by James Park on 2010-10-20 00:24
Hello,We have a upper and lower driver we need to get repaired. The type is ESA-B014CFC-21 and the NO. is B-13004-700. They both are not accurate so we were wondering if we can send them to you guys and have the calibrated. Please give me a call back or shoot me an email and hopefully we can figure …Purchase or Repair: Ticket Image...
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#NSK by brecea on 2014-02-10 21:04
Could you please provide repair information for NSK ESA 4-34018-700 Drive? It's urgent, and we're on-site trying to get it fixed quickly. Thank you!

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#NSK by Doreen Rogers on 2010-11-18 18:01
Hello, I am looking for the following bearing for NSK RW1410FN523 servo motor.The part number is 150DXR007DD / NRXT15025 C8P5 sealed bearing outer race / inner race Is this something you may have available for sale ?

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#NSK by Alex Cheong on 2012-02-17 04:24
Dear Sir,We are trading company located in Malaysia looking for the possibility to repairing several type of OEM NSK DD motor and Driver as below,DD Motor type,1) M-JSB015FA503DD motor Drivers,2) M-ESA-D017-CF13) ESA-JB015CF3-204) M-EDC-PS3015CB5F5-01Kindly advise the possibility, prices, lead time,…Purchase or Repair: Ticket Image...
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#NSK by Todd Havinga on 2008-02-21 21:30
Is there a reason why we have to constantly recalibrate the Home position on these drives, We are usins the ESA-Y3040T25-21

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#NSK by suresh on 2009-02-16 17:39
we bought RF TX and RX encoder decoder kits from nsk electronics.but when we use our modules there is no output.if we come to u whether u test it

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#NSK by yasser on 2009-12-05 13:34
good evening .i hope all stuff ok. plz i have proplem, in my netestal machine about robot moving hand .this problem come from servo drive give me error f4 and i read in book its friom emergency switch but i check all emergency ok. i try another drive it work and give letter C but problem difference …Purchase or Repair: Ticket Image...
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#NSK by ANIL KUMAR P on 2008-08-21 09:05
Dear sir Please send english vertion manual of K20093-01-01 . PDF manual belongs to NSK servo drive model no. = β€šdβ€šwβ€šdβ€š`β€šP|β€šOβ€šOβ€šPβ€šOβ€š`β€šOβ€šO|β€šOβ€šRRegardsAnil

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#NSK by NormanLew on 2022-03-02 05:25
Hello. And Bye.

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#NSK by George Morrow on 2025-05-30 06:07
I'm interested in purchasing an NSK B014CF7-02 Servo Drive. Do you have one available for sale or repair?

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#NSK by marjan cresnar on 2008-04-08 06:53
we have a problem whit NSK servo drive Type ESA-Y2020T23-11Nr. Z-85192 -700Fault on electronic plate NSK Eo43SACB1-001Pleace give as offer for repaire or a new one.Best RegardsMarjan

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#NSK by SABINUS on 2025-05-23 13:43
Hello, do you have an NSK ESA-B014CFD-21 driver available for sale or repair? Need it urgently for production. Thank you.

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#NSK by Curtis Indy on 2011-01-31 14:34
We are running an NSK ESA-Y2020A25-21 drive. On startup it displays an error code of E0A4. What is this error and is it a repair situation?

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#NSK by Eric Ronnebaum on 2015-10-28 15:15
Dear sales I need a repair on a nsk RW1410FN523 motor. My customer is stating it making loader then normal noises and it harder to rotated by hand. The NSK amplifier is M-EP1410A15-05We would like to have a estimate if possible to go through it. I don\'t know if this is possible without looking at t…Purchase or Repair: Ticket Image...
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#NSK by Maher Amara on 2011-11-16 11:48
If it\'s possible to repqir the SERVO DRIVE NSK type EMOAOBK13-05SPR-T4/Z-NS

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#NSK by Mendieta on 2014-12-17 00:44
Hello, the NSK ESA 4-34018-700 Drive unit is still down. Please provide an update

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#NSK by Ray Paden on 2014-12-17 05:44
The NSK ESA 4-65006-700 drive unit malfunctioned today at 1045 AM, causing unexpected downtime on the production line. Can you quickly check the issue and provide a solution before the next shift starts? Thank you.

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#NSK by Amal Raj on 2009-04-27 16:31
Dear sirPlz send pdf ofesa-b045af3-21RegardsS.Amal Raj

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#NSK by Singletary on 2014-12-05 00:23
Do you have an NSK ESA 4-65006-700 drive available for sale or repair? Need it urgently to keep production running smoothly. Thank you.

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#NSK by Pelc on 2014-12-28 15:06
Hello, I'm reaching out on behalf of a client who has an NSK ESA 4-65006-700 Drive that needs repair. Can you please provide information on how we can proceed with the repair process and obtain a quote? Thank you.

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#NSK by Kohlbrenner Chris on 2008-02-11 08:31
Hello, we have a Problem with an NSK \"ESA Y2020 TF6-20\", No: 2-05407-700. It shows \"F 4\" on the Display and we don\'t know, what that means. Please send us an Answer as soon as possible.Please send us also a list of every possible Alarm, which could be shown on the Display.The Adress is above, p…Purchase or Repair: Ticket Image...
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#NSK by Francesco Baldassa on 2010-09-17 09:10
Hello ,we need repair some parts NSK servodrive have you an office or desk manager in italy ?best regards Mr Francesco Baldassa

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#NSK by Peter Hamvai on 2009-05-11 13:34
Dear repair center,I\'m searching for a used(repaired) NSK ESA-Y2020-TFI-II servo controller unit!Please quote me if you have!If you haven\'t from this modul, please let me know around what is the repairing time with delivery if the wrong one is on Hungary now?!kind regardsPeter Hamvaiβ€”> …Purchase or Repair: Ticket Image...
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#NSK by Mrs Mohan on 2007-05-24 13:41
The above mentioned drive needs repair.

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#NSK by Mfg on 2014-12-26 03:06
Could you please confirm if the NSK ESA 4-34018-700 is still supported or if replacement parts are available for this drive unit? Thank you.

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#NSK by Mark Proctor on 2007-04-03 10:08
NSK ES3040K23-03 Servo DriveHi, We have an NSK ES3040K23-03 servo drive that requires repair.Do you have a fixed price repair on this unit?Please advise as soon as possible.ThanksMark Proctor

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#NSK by Moises Tovar on 2008-07-09 14:51
I need a NSK driver part no. EE0608A05-25 SERIE. 065221

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#NSK by Henri on 2014-01-05 10:53
Hello, I'm in the purchasing department and a colleague needs a replacement for an NSK ESA 4-65006-700 Drive. We can't locate one. Could you provide repair information? Thanks!

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#NSK by Khoa on 2014-01-07 06:22
The NSK ESA 4-34018-700 is a drive unit that is currently not working. The maintenance team needs assistance in resolving the issue.

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#NSK by Cacho on 2014-09-07 17:20
Hello, we are in urgent need of repair info for our NSK ESA 4-65006-700 Drive. Can you please provide guidance on how we can proceed with fixing this issue? Thank you.

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#NSK by Moises Tovar on 2009-06-03 21:56
I need a Nsk driverEE0608A05-24.2 or substituteThank you

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#NSK by Brian Tam on 2007-05-21 22:40
Hi :we need repair some parts NSK servodrive or servo motor Do you have NSK E043SAPA1-002 for sale..

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#NSK by Vishnumurthy on 2010-04-16 14:46
Please send me the PDF for type ESA-B045AF3-21 number B-2X011-700.And also provide the service center name/ details in Bengaluru, Karnataka, India.RegardsVishnumurthy

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#NSK by Chitfreerve on 2014-10-31 22:57
The NSK ESA 4-65006-700 drive unit experienced a malfunction earlier today, causing downtime from 130 PM to 300 PM. We need to address this issue

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#NSK by Behr on 2014-02-16 17:58
The NSK ESA 4-65006-700 unit is not functioning. It is a drive unit.

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