John Deere Service & Repair Forum

Hi there, the John Deere RE66265 Digital Tachometer is displaying error code E4. Equipment is not registering engine RPMs accurately. Kindly advise on troubleshooting steps needed for proper diagnosis and repair. Thank you.

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— Posted by Sehm on 2015-07-15

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If you need your John Deere 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 327 Comments

#John Deere by Bateman on 2014-01-18 03:45
The John Deere RE43902 controller is not working. Please check and repair as needed.

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#John Deere by annamaria paliotti on 2016-11-07 03:44
Can you please confirm if the John Deere 120974T AT167497 monitor is still supported, and if it is, are replacement parts available for it? Thank you.

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#John Deere by Eddie Samaniego on 2015-04-27 18:58
I can assist you with that. I will check if the John Deere RE66265 7MRT8JDO1E digital tachometer is still supported or if replacement parts are available.

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#John Deere by djabeur on 2015-07-28 19:20
Looking for repair assistance with a John Deere RE64583 SCV Setup Panel unit that isn't functioning properly. Need a qualified technician to diagnose and fix the issue

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#John Deere by Mauro De Simone on 2014-04-04 22:29
The John Deere RE64583 7SUD3JD01 SCV Setup panel is not working in the shop.

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#John Deere by Ivan Alarcon on 2014-12-25 05:06
It seems like there may be an issue with the motor control on your John Deere RE64583. Something seems to have stopped working properly, but I'll do my best to help you figure out what's going on. Let's work together to troubleshoot and get your machine back in good working order. —> …Purchase or Repair: Ticket Image...
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#John Deere by Mark W Griffin on 2013-02-19 03:27
Do you have a replacement John Deere RE64583 SCV Setup panel available for purchase or repair? Production has been interrupted, and we need to keep things running smoothly.

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#John Deere by Aguiniga on 2016-02-29 12:47
John Deere RE64583 7SUD5JD04 - SCV Setup Panel failure alert during rounds. Investigating drive or board issue now.

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#John Deere by gonzalo on 2014-05-03 11:20
John Deere RE64583 SCV Setup panel issue - drive or board failure. Investigating now, update coming shortly.

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#John Deere by John Demers on 2015-08-04 07:20
Hello, I'm inquiring about an issue with part number RE46704 7AT2JD01. The tach display doesn't come on when cold. Can you please provide information on troubleshooting and potential solutions? Thank you.

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#John Deere by Mike Farrell on 2014-08-26 09:43
Could you please provide pricing and availability for the John Deere RE43902 7MRT2JD02 controller? I'm looking to source one quickly. Thank you!

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#John Deere by ahmed gomaa on 2015-07-08 23:32
Hi, the John Deere RE64583 7SUD3JD01 is showing error code SCV Setup Panel. Equipment is currently down and in need of urgent repair. Thank you.

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#John Deere by Fitim Cena on 2014-12-24 07:06
The John Deere RE64583 7SUD3JD01 is not functioning correctly. It relates to the SCV Setup panel, although I am unsure of its exact purpose as I am new to the role.

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#John Deere by Arturo Arriaga Solorio on 2013-04-16 10:25
I've noticed that the SCV Setup panel on your John Deere RE64583 7SUD5JD04 is not functioning properly. It seems like something might have stopped working correctly. I recommend reaching out to a technician or consulting the user manual for troubleshooting guidance.

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#John Deere by Les Abend on 2015-08-08 05:20
Could you please provide repair information for a John Deere RE64583 7SUD5JD04 SCV Setup Panel? We need a replacement part urgently, but can't locate one. Your

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#John Deere by Ken Jenkins on 2013-08-15 13:01
I encountered an issue with the John Deere RE64583 7SUD5JD04 related to the SCV Setup panel causing downtime. Please provide details on the incident and when it occurred to help resolve the problem

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#John Deere by Roslin on 2025-06-03 23:52
Can the John Deere RE551415 controller be repaired, or should it be replaced? I'm trying to get this fixed or replaced to check it off my to-do list. Thank you.

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#John Deere by Kohloff on 2013-08-07 08:32
John Deere RE63440 7SUD4JD03 is experiencing issues with the SCV setup Panel, causing a slowdown in production. Please address this urgently to minimize downtime.

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#John Deere by Mutha on 2013-05-17 11:54
Could you please confirm if the John Deere RE63440 7SUD4JD03 SCV setup Panel is still supported or if replacement parts are available? Thank you!

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#John Deere by Richard Gosche on 2015-08-05 23:20
Drive or board failure on John Deere RE66265 Digital Tachometer, need immediate maintenance. Heading to next machine, will troubleshoot further upon return.

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#John Deere by Thang on 2015-07-05 17:58
Hello, I am interested in the John Deere RE49192 7THM2JD03 Tachometer. Could you please let me know the pricing and availability? I am trying to source one quickly. Thank you.

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#John Deere by Derrick Taylor on 2014-12-24 12:06
I'm sorry to hear that your John Deere RE43902 7MRT2JD02 controller is no longer functioning properly. It seems like there might be an issue with its operation. I recommend reaching out to a technician for a closer look and assessment.

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#John Deere by Yoram Friedman on 2010-11-18 00:17
John Deere Motorola RE64583 unit down - digital display issue. Needs attention ASAP. Night shift maintenance crew.

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#John Deere by s b sharma on 2015-07-31 05:20
I believe there's an issue with the digital tachometer on the John Deere RE66265 7MRT8JDO1E. It seems like the digital display has stopped working properly. Would you like me to investigate further or seek help from a technician?

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#John Deere by sonnico on 2015-08-12 17:20
My client is experiencing an issue with part number RE46704 7AT2JD01 where the tach display doesn't come on when cold. Can you provide guidance on troubleshooting and potentially fixing this problem? Thank you.

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#John Deere by deepakshinde on 2013-04-30 15:33
I experienced downtime with the John Deere RE63440 7SUD4JD03 due to an issue with the SCV setup Panel. This occurred on . Need quick clarification before the next shift begins.

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#John Deere by Enzo lezzi on 2020-02-08 00:00
Urgent Repair Needed for John Deere RE81075 ControllerHi, we are experiencing issues with our John Deere RE81075 - the controller is not responding and displaying error code E123. Equipment is currently down, affecting operations. Please advise on urgent repair action required. Thank you.—> …Purchase or Repair: Ticket Image...
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#John Deere by Paris Mihai on 2015-01-01 03:54
I'm currently experiencing an issue with the SCV Setup Panel on my John Deere RE64583 7SUD5JD04 machine. It seems that this feature has stopped working and I'm unsure of what the exact problem is. Your assistance in diagnosing and fixing this issue would be greatly appreciated. —> …Purchase or Repair: Ticket Image...
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#John Deere by Engiz on 2015-07-20 08:20
The John Deere RE46704 7AT2JD01 is still down. Please address the issue and provide an update

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#John Deere by Robert Price on 2013-06-27 17:23
Can the John Deere RE63440 7SUD4JD03 SCV setup Panel be repaired or bought? I'm trying to check this off my to-do list.

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#John Deere by Teri High on 2013-02-18 07:49
Hi, we are currently experiencing an issue with the John Deere RE64583 7SUD5JD04 displaying error code SCV Setup panel. Equipment is down, needing immediate attention. Thank you.

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#John Deere by S.RAVINDRANATH on 2013-03-25 15:32
I am following up on my previous message regarding the John Deere RE63440 7SUD4JD03 unit being down. Please provide assistance

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#John Deere by Randy Opperman on 2013-08-15 14:01
Hi there, we are in need of repair info for a John Deere RE64583 7SUD5JD04 SCV Setup panel. Can you please provide us with assistance on this as soon as possible? Thank you!

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#John Deere by Nadler on 2015-07-17 23:20
Please advise if the John Deere RE64583 7SUD5JD04 SCV Setup Panel is still supported or if replacement parts are available. Thank you.

—> Purchase or Repair:
#John Deere by George Hostutler on 2013-04-05 19:37
The John Deere RE64583 7SUD5JD04 is displaying error code E342. The SCV setup panel is unresponsive, preventing operation of the equipment. Please advise on troubleshooting steps or necessary repairs. Thank you.

—> Purchase or Repair:
#John Deere by Jerry Fields on 2013-08-19 06:32
SCV Setup panel on John Deere RE64583 7SUD5JD04 is malfunctioning, halting the production line. Urgent repair service required to restore operation immediately.

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#John Deere by syarif hidayat on 2013-08-13 13:35
The John Deere Bale Trak Plus RE159944 is failing to display accurate bale counts and is not registering bale sizes correctly. This issue is affecting the production line efficiency and needs immediate attention to prevent further delays.

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#John Deere by Su on 2013-12-12 20:58
John Deere RE63440 7SUD4JD03 SCV setup Panel unit went down mid-shift. Needs attention ASAP.

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#John Deere by Frank Taylor on 2015-07-17 09:20
I'm currently experiencing some issues with the SCV Setup Panel on my John Deere RE65483 7SUD5JD04. Something seems to have stopped working and I'm not sure how to fix it. Your assistance in resolving this matter would be greatly appreciated.

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#John Deere by Randy Hamilton on 2013-11-01 19:52
Experiencing SCV setup panel issues on John Deere RE63440 7SUD4JD03 suspect a drive or board failure. Need immediate inspection and replacement.

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#John Deere by balli aulakh on 2015-08-05 18:20
The unit with part numbers AT320355 and AT320694, which is the CAN Monitor Unit, is behaving abnormally. It is not functioning as it normally does and appears to be acting strangely.

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#John Deere by Hohmann on 2013-07-27 21:32
I need assistance with the John Deere RE64583 7SUD5JD04 SCV Setup panel unit. It's not functioning properly.

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#John Deere by ilbay on 2014-11-01 20:57
Experiencing issues with my John Deere RE43902 7MRT2JD02 controller, not functioning properly. Looking for a skilled technician to diagnose and repair as soon as possible.

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#John Deere by Fracassi Roberto on 2013-08-03 20:32
Equipment down due to error code SCV Setup panel on John Deere RE64583 7SUD5JD04. Need urgent assistance to troubleshoot and rectify.

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#John Deere by OliverAtmob on 2017-06-24 00:00
John Deere ECU 70842 displaying error code A-0530G12, unable to power on or communicate with equipment properly. Need repairs on the controller unit urgently.

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#John Deere by RJ GARCIA on 2014-02-15 23:58
Hi there, we have a John Deere RE43902 7MRT2JD02 controller that stopped working and we need a replacement. Could you please provide us with the repair information for this part? We need a quick solution. Thank you!

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#John Deere by Lugo on 2015-03-09 23:13
Do you have a John Deere RE49192 7THM2JD03 Tachometer available for sale to help me keep production running?

—> Purchase or Repair:
#John Deere by rivera on 2013-08-05 23:32
Hello, I'm interested in purchasing the John Deere RE63440 7SUD4JD03 SCV Setup Panel. Could you please provide information on pricing and availability? We are looking to source one quickly. Thank you.

—> Purchase or Repair:
#John Deere by Goecker on 2014-11-21 21:12
Looking for repair services for my John Deere RE43902 7MRT2JD02 controller. The unit is failing to power up properly and needs immediate attention. Thank you.

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#John Deere by ARUMOY CHATTERJEE on 2011-04-07 15:48
John Deere RE66821 7AT6JD01 Analog Tachometer issue Drive or board failure. Requires immediate troubleshooting and replacement.

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