Habiba,
Trnsys has three levels of notifications. A "notice" is for information only, a "warning" may be a potential problem, and a "fatal" stops the simulation. In this case you're getting a warning so you have to determine if it is something of concern or not. Because the controller is not getting stuck at all there is nothing that you need to do. If the warning were telling you that the controller was stuck (i.e. it reached its max allowable number of state changes in a given timestep) some significant percentage of the simulation (5 or 10% of the time, for example) then you might want to look at why it was happening. Perhaps the timestep is too short or perhaps the equipment is oversized for the space it serves. Again, in your case, there is no problem at all.
kind regards,
David
Hello TRNSYS users,
I am a beginner at TRNSYS. I am trying to run a simulation of a packaged terminal air conditioner system in a residential building. The problem is whenever I run the simulation I get the message that time elapsed is 0. I also get a warning that says "controller type 166 was stuck 0 percent of the time during simulation". I don't understand what is happening and how to fix this problem. Attached is my TRNSYS studio file
Thank you,
Habiba AlyResearch Assistant |Mechanical Engineering DepartmentThe American University in Cairo
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