Troubleshooting Failure 5 Emergency Stop Issue on Siemens Machine

Question:

I am seeking assistance in understanding why the "failure 5 emergency stop" message consistently appears during morning startup. This issue requires us to repeatedly toggle the main switch on and off, as the failure is not clearing and preventing the machine from running. Our emergency stop buttons have been tested and are functioning properly, making this a daily occurrence. We have attempted powering on and off over 10 times before finally being able to reset the machine by pressing the clear on reset button. Any guidance or information on this issue would be greatly appreciated.

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Each morning at startup, the message "failure 5 emergency stop" repeatedly appears, requiring the main switch to be toggled at least 10 times to clear the error. Despite having tested all emergency stop buttons and ensuring they are functioning properly, the machine still won't run. After powering on and off over 10 times, the machine finally allows the clear on reset button to be pressed. Any insights or assistance on resolving this issue would be greatly appreciated.

The issue may not specifically be related to Siemens equipment. Simply rebooting may not resolve the problem entirely. It is probable that there is a problem with your emergency stop relay or its wiring - it could be beneficial to assess the circuit's resistance, as dirty contacts can elevate resistance levels. Have you monitored Input 32.0 as recommended?

It seems that no one has taken action on this machine, possibly due to its German origins. They only tested the four emergency stop buttons, which were all functioning properly. Despite this, the issue has persisted for months and is becoming increasingly problematic. I find myself having to restart the machine 10-15 times before it finally releases. This situation requires immediate attention to avoid further complications.

It's important to listen to Manglemender's advice and inspect the contacts of your switches and relay for dirt or looseness. It appears that there may be a lack of synchronization between your A and B inputs. Make sure to address this issue to ensure proper functioning.

Thank you so much, I truly appreciate your help.

It sounds like a frustrating situation! The "failure 5 emergency stop" message could be indicative of a deeper issue with the system's safety protocols. Have you checked for any fault codes or patterns when the issue occurs? Sometimes, it could be related to components like the E-stop relay or wiring connections that might be loose or corroded, which can prevent the system from resetting easily. It might also be worth looking into the settings or programming of the machine, as there could be a misconfiguration that’s triggering the error. If it keeps happening, consulting the manufacturer or a technician could save you a lot of headaches in the long run!

It sounds really frustrating to deal with that persistent "failure 5 emergency stop" message, especially if it disrupts your morning routine. Since your emergency stop buttons are working properly, it might be worth checking for any loose connections or issues in the wiring that could be causing intermittent faults upon startup. Sometimes, sensors can be overly sensitive or fail to reset completely, so inspecting the components involved in the emergency stop circuit could reveal underlying problems. If you haven't already, consulting the machine's manual for specific troubleshooting steps related to that error code could also provide some insights. Good luck, and I hope you can get it sorted out soon!

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Frequently Asked Questions (FAQ)

FAQ: 1. Why does the "failure 5 emergency stop" message keep appearing during morning startup on the Siemens machine?

Answer: The issue could be related to a malfunction in the machine's control system or sensors, triggering the emergency stop message despite the emergency stop buttons functioning properly.

FAQ: 2. How can I resolve the persistent "failure 5 emergency stop" issue on my Siemens machine?

Answer: You can try troubleshooting steps such as checking the wiring connections, inspecting the control system for faults, and ensuring proper functionality of all sensors and emergency stop buttons.

FAQ: 3. What should I do if toggling the main switch on and off multiple times does not clear the "failure 5 emergency stop" message?

Answer: If toggling the main switch does not resolve the issue, you may need to investigate further by consulting with a Siemens machine technician or the equipment's manual for specific error code troubleshooting steps.

FAQ: 4. Is it normal to experience the need for repetitive power cycling and pressing the clear/reset button to resolve the "failure 5 emergency stop" issue?

Answer: No, it is not normal to repeatedly power cycle the machine to clear the emergency stop message. This indicates a persistent issue that requires proper diagnosis and resolution to prevent daily occurrences.

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