Ropex Service & Repair Forum

The Ropex RES-403/230VAC 740302 is displaying Error Code E101 indicating a potential communication issue. Please advise on troubleshooting steps to resolve. Thank you.

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— Posted by Risso on 2012-09-20

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If you need your Ropex unit tested or repaired,
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Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 106 Comments

#Ropex by Kyle and Kay Conant on 2014-02-20 03:00
Ropex RES-440-L/400VAC 744013 Control Unit is displaying error code E4 and not responding to any inputs.

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#Ropex by bliss on 2012-01-17 12:45
The Ropex RES-403/230VAC 740302 controller is displaying error code E-25 and showing a constant alarm for "overvoltage." The equipment is not responding or functioning properly. Please advise on troubleshooting steps or repair recommendations. Thank you.

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#Ropex by Kaschak on 2014-03-25 06:30
There was a downtime incident with the Ropex RES-440-L/400VAC 744013 Control Unit. It occurred during our shift on . Need a quick update before next shift comes in.

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#Ropex by Dustin Pham on 2014-12-23 17:06
The Ropex RES-440-L/400VAC 744013 control unit is displaying error code E5 and the alarm keeps going off intermittently causing the equipment downtime. Please advise on the troubleshooting steps urgently.

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#Ropex by Steve Grom on 2014-12-26 03:27
Just had a failure on the Ropex RES-440-L/400VAC 744013 Control Unit, likely a drive or board issue. Will troubleshoot and update as needed.

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#Ropex by Phillip E Mead on 2025-09-19 20:11
Request Service for RopexModel/Part : 744013 Res 440 L 400Vac Control Unit

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#Ropex by manop on 2014-12-04 04:23
I've noticed that the Ropex RES-440-L/400VAC 744013 control unit seems to have stopped functioning properly. It's difficult to pinpoint the exact issue without further investigation. I recommend having a technician take a look to diagnose and repair the problem.

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#Ropex by Brick Roberts on 2019-11-14 00:00
I'm having trouble with the Ropex res-407-0-3 machine. It seems like something has stopped working, but I'm not sure what exactly. I would appreciate any assistance you can provide. Thank you.

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#Ropex by Ben Cooper on 2012-04-21 03:09
I'm experiencing some issues with the Ropex 0 740302 machine. It's a Temperature Controller, but I'm unsure about its functionality. Something seems to have stopped working, and I would appreciate some assistance to troubleshoot and resolve the problem.

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#Ropex by John Scarborough on 2012-02-06 17:32
Ropex RES-403/230VAC 740302 controller not responding to input commands, hindering production line.

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#Ropex by Valadka on 2014-09-24 00:23
The Ropex RES-440-L/400VAC 744013 is a Control Unit that is currently not functioning properly.

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#Ropex by Howard Robertson on 2014-07-29 07:24
The Ropex RES-440-L/400VAC 744013 Control Unit is still down. Please prioritize fixing this issue and provide an update

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#Ropex by wassim chaar on 2012-03-24 23:08
Just found out that the Ropex RES-403/230VAC 740302 controller has failed. Need to get a replacement ASAP to keep things running smoothly. Will update once it's fixed.

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#Ropex by McLaren on 2014-02-19 16:19
The Ropex RES-440-L/400VAC 744013 Control Unit is still down. Need a response

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#Ropex by Korzhenevskii SerG on 2014-11-28 06:16
Just had a failure on the Ropex RES-440-L control unit at 744013, likely a drive or board issue. Will investigate further and report back.

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#Ropex by sampaio on 2014-10-06 03:39
Experiencing issues with Ropex RES-440-L/400VAC 744013 Control Unit. Need assistance with repair or diagnostics ASAP. Please reply if you can help. Thank you.

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#Ropex by Sidebottom on 2012-02-22 01:22
Hello, we still have an unresolved issue with our Ropex RES-403/230VAC 740302 controller. It's important that we receive a response

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#Ropex by Rick Pero on 2012-05-26 18:04
The Ropex RES-403/230VAC 740302 controller is not powering on.

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#Ropex by Kaichen on 2012-06-11 09:05
The Ropex RES-403/230VAC 740302 unit is not functioning. Please investigate the issue. Thank you.

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#Ropex by LaCruze on 2012-02-24 00:21
The Ropex 0 740302 temperature controller is displaying Error Code E21, indicating a malfunction with the temperature sensor. Equipment is not regulating temperature properly, causing inconsistencies in production. Please advise on troubleshooting steps or schedule a technician visit for repair. —> …Purchase or Repair: Ticket Image...
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#Ropex by Nilo on 2014-12-05 17:23
The Ropex RES-440-L/400VAC 744013 Control Unit in the warehouse is exhibiting abnormal behavior - it is not functioning as it typically does.

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#Ropex by AARON RYE on 2012-06-02 00:47
Hello, do you have a Ropex 0 740302 Temperature Controller available for purchase to keep our production running? Thank you.

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#Ropex by Jamesseirl on 2014-02-16 00:58
Hello, I am interested in purchasing the Ropex RES-440-L/400VAC 744013 Control Unit. Can you please provide me with information on pricing and availability? I am looking to source this unit quickly. Thank you.

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#Ropex by Tim Storms on 2012-10-26 19:35
I'm having trouble with the Ropex 0 740302. It's a temperature controller, but I'm not exactly sure how to describe the issue since something seems to have stopped working.

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#Ropex by Muller on 2014-11-29 08:16
Hello, I am inquiring about repair services for Ropex RES-440-L/400VAC 744013. The item is a Control Unit and my client is seeking assistance with it. Please provide information on how to proceed. Thank you.

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#Ropex by Wentworth on 2014-01-04 06:11
The Ropex RES-440-L/400VAC 744013 Control Unit isn't working.

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#Ropex by wbjs on 2012-12-02 10:13
The Ropex RES-403/230VAC 740302 controller is showing error code E102, indicating a communication failure with the main unit. Equipment is currently down, affecting production. Please advise on troubleshooting steps or repair options. Thank you.

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#Ropex by WALSON on 2012-05-22 09:25
Ropex 0 740302 temperature controller malfunctioning, affecting production line operation. Uptime critical, require immediate repair service for swift resolution.

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#Ropex by Kiphart on 2012-03-02 04:10
Ropex RES-403/230VAC 740302 controller failure. Need to replace drive or board ASAP.

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#Ropex by Jeffrey on 2012-03-25 01:08
The Ropex RES-403/230VAC 740302 controller unit is malfunctioning, causing a significant disruption to our production line. Immediate action is required to rectify this issue

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#Ropex by George Blackmon on 2012-11-25 21:04
The Ropex 0 740302 temperature controller experienced a malfunction that led to unexpected downtime. The issue occurred on , impacting our production output. Please advise on the best course of action to prevent this from happening again before the next shift begins. Thank you. —> …Purchase or Repair: Ticket Image...
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#Ropex by Pascal Cesar on 2014-12-26 02:27
The unit RES-440-L/400VAC 744013 is currently not working. It is identified as a Control Unit.

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#Ropex by Phillip E Mead on 2025-09-19 20:11
Request Service for RopexModel/Part : 744013 Res 440 L 400Vac Control Unit

—> Purchase or Repair:
#Ropex by Mitul Ravat on 2014-02-14 19:58
the Ropex RES-440-L/400VAC 744013 Control Unit went down mid-shift. Needs attention ASAP. Thanks!

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#Ropex by MitchelJege on 2014-03-13 16:02
I'm having trouble with the Ropex RES-440-L/400VAC 744013. The control unit seems to have stopped working properly. I'm not sure what the issue is, but your help would be greatly appreciated.

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#Ropex by Essam Mohamed Atef on 2012-09-19 18:15
Ropex RES-403/230VAC 740302 controller is not responding to any input commands.

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#Ropex by William Bacon on 2014-10-27 06:18
Ropex RES-440-L/400VAC 744013 Control Unit not powering on.

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#Ropex by selastin on 2012-01-18 11:39
Hello, the Ropex RES-403/230VAC 740302, which is the controller unit, malfunctioned today and caused downtime around 230 PM. Please provide a quick update before the next shift arrives. Thank you.

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#Ropex by MOHAMED DRICI on 2012-08-24 08:00
The Ropex 0 740302 Temperature Controller is not functioning properly.

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#Ropex by Tusen on 2014-03-28 22:52
Ropex RES-440-L/400VAC 744013 Control Unit not responding to power-up, no display, no audible alerts.

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#Ropex by bunyamin on 2014-12-16 21:44
The Ropex RES-440-L/400VAC 744013 Control Unit is still down. We need a response as soon as possible. Thank you.

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#Ropex by kimon vidalis on 2014-12-21 01:44
Do you have a Ropex RES-440-L/400VAC 744013 Control Unit available for sale or repair? Need it urgently to keep production running. Thank you.

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#Ropex by johnna villaceran on 2012-08-17 02:19
Hello, I am inquiring about a Ropex 0 740302, described as a Temperature Controller. Could you please provide me with more information and options for repair? Thank you.

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#Ropex by Peek on 2012-04-20 12:05
Do you have a Ropex 0 740302 Temperature Controller available for sale or repair? It's urgent for production continuity. Thank you.

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#Ropex by john naud on 2014-12-26 08:06
I am experiencing an issue with the Ropex RES-440-L/400VAC 744013 Control Unit where something seems to have stopped working. I am uncertain about the exact nature of the problem, but could you please provide assistance with troubleshooting it? Thank you.

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#Ropex by kirankumar on 2012-03-29 23:18
Hello, we have a client who is experiencing issues with the Ropex RES-403/230VAC 740302 controller. Can you please provide information on troubleshooting and repair options for this product? Thank you.

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#Ropex by eugenio cortis on 2012-08-02 20:55
Can the Ropex RES-403/230VAC 740302 controller be repaired or should it be replaced? I'm trying to check this off my to-do list.

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#Ropex by tim stokolosa on 2014-05-02 22:20
Hello, I am interested in purchasing a Ropex RES-440-L/400VAC 744013 Control Unit. Could you please provide me with information regarding pricing and availability? I am looking to source one quickly. Thank you.

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#Ropex by Ronald Boylan on 2014-08-19 16:26
One of the drive units just failed in the Ropex RES-440-L/400VAC 744013 control unit. I'll need to troubleshoot and replace it ASAP.

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#Ropex by abderrahim on 2014-05-01 19:20
I'm experiencing issues with the Ropex RES-440-L/400VAC 744013 Control Unit. It appears that something has stopped working, and I'm not entirely sure what the problem might be. Any assistance in diagnosing and resolving this would be greatly appreciated.

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