Ropex Service & Repair Forum

The Ropex 0 740302 Temperature Controller is displaying Error Code E-301, preventing the equipment from turning on. Please advise on troubleshooting steps or arrange for a technician to inspect it. Thank you.

—> Purchase or Repair: Ticket Image

— Posted by Richard VanSchuyver on 2012-06-12

Reply🗨️Ask a New Question Below❓


Recent Comments Search: "Ropex"

If you need your Ropex unit tested or repaired,
give us a call at 1-336-969-0110.
We offer free estimates and extended warranties on the work performed.
Shipping/Receiving:
Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
Phone: 1-336-969-0110


Recent 106 Comments

#Ropex by Choptuik on 2014-12-27 22:06
Can you please confirm if the Ropex RES-440-L/400VAC 744013 Control Unit is still supported or if replacement parts are available for it? Thank you.

—> Purchase or Repair:
#Ropex by Rafael Wischkin on 2014-02-12 05:58
Could you please advise if the Ropex RES-440-L/400VAC 744013 Control Unit is still supported or if replacement parts are available for it? We have an older unit but are unsure of the manufacturer.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Ropex by rick rodriguez on 2014-08-13 17:22
the Ropex RES-440-L/400VAC 744013 control unit went down during the shift. Needs attention ASAP. Thanks.

—> Purchase or Repair:
#Ropex by Danielglota on 2014-12-22 01:44
Hello, Can the Ropex RES-440-L/400VAC 744013 Control Unit be repaired or replaced? I'm trying to check this off my to-do list. Thank you.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

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

—> Purchase or Repair:
#Ropex by Owen Torgerson on 2012-06-03 15:04
The Ropex RES-403/230VAC 740302 controller is showing error code E005, indicating a communication fault with the sensor. Equipment unable to regulate temperature. Urgent repair needed to resume operations.

—> Purchase or Repair:
#Ropex by renante on 2014-12-19 13:44
Looking for a technician to repair my non-functioning Ropex RES-440-L/400VAC 744013 Control Unit. It's not powering up despite proper connections. Need urgent assistance.

—> Purchase or Repair:
#Ropex by CALLAN on 2012-06-15 04:28
The Ropex RES-403/230VAC 740302 controller malfunctioned at 1145 PM, causing unexpected downtime. Urgent response needed before the next shift.

—> Purchase or Repair:
#Ropex by Gallo on 2014-12-31 22:54
The Ropex RES-440-L/400VAC 744013 control unit experienced a malfunction earlier today, leading to unexpected downtime. It occurred at approximately 230 PM during the production shift. Could you please provide some insight into what might have caused this issue? Thank you, and looking forward to you…Purchase or Repair: Ticket Image...
Show More
#Ropex by muhammad Nouman on 2014-12-21 12:44
The Ropex RES-440-L/400VAC 744013 is not functioning. Maintenance team is investigating.

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

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Ropex by Bondan Susilo Rahardjo on 2012-02-08 08:55
The Ropex 0 740302 Temperature Controller unit isn't working as reported.

—> Purchase or Repair:
#Ropex by regis on 2014-05-05 11:20
One of the Ropex RES-440-L/400VAC 744013 units in the warehouse is displaying unusual behavior. It is not operating as it normally does.

—> Purchase or Repair:
#Ropex by Lee Chestnut on 2014-05-06 08:20
Hello, I'm interested in purchasing the Ropex RES-440-L/400VAC 744013 Control Unit. I just want to confirm the pricing and availability for this model as I'm looking to source one quickly. Thank you!

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

—> Purchase or Repair:
#Ropex by Javier Valle on 2012-04-27 21:08
The Ropex 0 740302 is a Temperature Controller that is currently not working. Maintenance team is trying to troubleshoot the issue.

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

—> Purchase or Repair:
#Ropex by Robert keith on 2012-02-14 21:09
The Ropex 0 740302 Temperature Controller is malfunctioning, affecting the productivity of the production line. Please provide urgent repair services to fix the issue

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Ropex by Deline on 2012-08-02 08:55
The Ropex RES-403/230VAC 740302 controller is not working as reported.

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

—> Purchase or Repair:
#Ropex by Kft. on 2012-07-27 15:19
Ropex 0740302 displaying error code E4, generating high temp alarm. Equipment down, urgent assistance needed.

—> Purchase or Repair:
#Ropex by Hesham on 2012-10-21 06:18
Hey, the Ropex 0 740302 temperature controller just crapped out on us. Gotta fix this ASAP to keep things running smoothly.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#Ropex by Phillip E Mead on 2025-09-19 20:11
Request Service for RopexModel/Part : 744013 Res 440 L 400Vac Control Unit
#Ropex by grimes on 2014-02-12 20:58
The Ropex RES-440-L/400VAC 744013 Control Unit is exhibiting abnormal behavior in the warehouse. The unit is not functioning as it normally does.

—> Purchase or Repair:
#Ropex by Dustin Chase on 2012-09-03 15:46
One of the Ropex 0 740302 Temperature Controllers just died on us needs immediate attention. I'm heading over to the next machine now.

—> Purchase or Repair:
#Ropex by Rachel Fogarty on 2014-12-20 04:44
I observed that one of the Ropex RES-440-L/400VAC 744013 control units in the warehouse is displaying unusual behavior. It is not functioning as it normally does and is acting erratically.

—> Purchase or Repair:
#Ropex by R. R. SARAF on 2012-01-17 04:16
Ropex RES-403/230VAC 740302 controller not responding to input commands, halting production.

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

—> Purchase or Repair:
#Ropex by Faheem on 2012-07-31 14:37
Looking for a technician to repair my Ropex RES-403/230VAC 740302 controller unit. It's not functioning correctly and needs immediate attention. Please let me know if you can assist with fixing this industrial unit.

—> Purchase or Repair:
#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...
Show More
#Ropex by kevin whiteway on 2014-02-18 05:12
The Ropex RES-440-L/400VAC 744013 control unit went down mid-shift. Please check and repair first thing in the morning.

—> Purchase or Repair:
#Ropex by Kristie Thompson on 2014-12-24 04:06
Looking for repair for Ropex RES-440-L/400VAC 744013 Control Unit unit not powering up or responding to controls. Please contact if you can troubleshoot and repair

—> Purchase or Repair:
#Ropex by muhammad Nouman on 2014-11-21 10:12
Could you please confirm if the Ropex RES-440-L/400VAC 744013 Control Unit is still supported, and if replacement parts are available for it? Thank you.

—> Purchase or Repair:
#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

—> Purchase or Repair:
#Ropex by JAYARAJAN.C.N on 2014-12-28 07:06
Hello, I'm reaching out on behalf of a client who needs assistance with a Ropex RES-440-L/400VAC 744013 Control Unit. They are experiencing some issues but we don't have the full details yet. Can you please provide information on how to diagnose and potentially repair this unit? Thank you. —> …Purchase or Repair: Ticket Image...
Show More
#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.

—> Purchase or Repair:
#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.

—> Purchase or Repair:
#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.

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

—> Purchase or Repair:

Contact Us

🚑Shop Location🛠️

Industrial Electronic Repair
145 Rockwell Place Ct
Tobaccoville, NC 27050
🚑 Rush repair shipments only — no walk-ins.

📞Phone

1-336-969-0110

📦Mailing Address🚛

Industrial Electronic Repair
931-E S. Main St #204
Kernersville, NC 27284
📦 Mailing Address (for invoices or shipped repairs)
No walk-ins accepted.