How to stop item into Process when process breakdown?

[CJY3]

[ FlexSim 18.0.10 ]

I use an item list to track each item in the queue along with its waiting time. If an item exceeds the waiting time limit, it is moved to the crash queue. Currently, I'm implementing a system for machine breakdown during the process. When a breakdown occurs, the item in the queue should be moved to the crash queue. However, I want the process to resume input only after the machine has been repaired. The issue arises when a new item is pushed into the process queue while the machine is still experiencing a breakdown. I need a solution to prevent input into the process queue when the machine is down. Additionally, since I utilize the "pull from item list" strategy for each process queue, I'm uncertain whether this strategy causes items to continue being delivered to the process even during machine breakdowns.

If the tracking time method isn't viable, are there any other methods that can be used to prevent input when the machine breaks down?

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[joerg_vogel_HsH]

An object, which has been stopped, won’t receive new items. Only Process Flow or moveobject or transfernode commands are able to bypass a 3D logic of a model.
You can add further actions in MTBF/MTTR tool On Breakdown function, when a breakdown happens. This involves moving or releasing items to a crash queue.

A hint: Please pull items from all lists if you are going to delete them in your model.

[CJY3]

I have followed your suggested method, but items are still being inputted even when the process breaks down. I have provided my file for clarity. Currently, I have set Bay1 LITHO to be in a crashed state, yet items are still being inputted.

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Q-time.fsm

[jason_lightfoot_adsk]

Hi @CJY,

We just want you to be aware that your FlexSim version is past its End-of-Life date and is no longer eligible for paid technical support. For more information, please see the article "Lifecycle and End-of-Life".

Community members here may still be able to offer advice, but please be aware that many features have been added and bugs fixed in the years since your software version was released. You may find that an offered solution that works in more recent versions of the software is not compatible with your old version, or that a posted sample must be opened in a recent version.

Contact your local FlexSim distributor for information on upgrading or getting a trial license.

Good luck!

[CJY3]

Hi, @Jason Lightfoot
Thanks for your advice.