[Bldg-sim] e Quest software crashing

Lee Shaver lshaver at slipstreaminc.org
Tue Apr 25 09:59:24 PDT 2023


You may need to turn on “compatibility mode” to get it to run correctly. Find your eQuest shortcut, right click and select “Properties.” Under “compatibility” check the box for “Run this program in compatibility mode for…” and pick “Windows 8.” That’s what’s working for me currently, but if it doesn’t solve the issue try earlier windows versions as well.

Lee Shaver
Senior Engineer
he/him/his<https://slipstreaminc.org/about/diversity-inclusion>

608.210.7145
lshaver at slipstreaminc.org<mailto:lshaver at slipstreaminc.org>
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From: Bldg-sim <bldg-sim-bounces at lists.onebuilding.org> On Behalf Of Brian Fountain via Bldg-sim
Sent: Tuesday, April 25, 2023 11:33
To: Sheila Sagerer <ssagerer at comcast.net>
Cc: bldg-sim at lists.onebuilding.org; hamzasohail054 at gmail.com
Subject: Re: [Bldg-sim] e Quest software crashing

Further to this, I have seen models where the .pdl file becomes massive, and the model becomes unstable.   Deleting the .pdl file can resolve the issue in that particular instance.
On Apr 25, 2023, at 12:13 PM, Sheila Sagerer via Bldg-sim <bldg-sim at lists.onebuilding.org<mailto:bldg-sim at lists.onebuilding.org>> wrote:

Hi Hamza,

eQuest does not often shut down like that. There are two things I have found that will crash (auto-turn off) eQuest.
1. There is not enough RAM on your computer. It will use every byte of RAM you can give it!
2. It can crash if you are trying to assemble an HVAC configuration the eQuest does not support.

Here are my questions:
1. How many zones does your file have?
2. What components are you trying to assemble for the water side HVAC?
3. Is your .inp input file still intact; I.e. are all components there when you open the file in Notepad as text?  If so, there may be a way to recover your file without starting over from scratch…

Sheila Sagerer
High Performance Building Analyst
Ecoworks Studio
Sent from my iPhone

On Apr 25, 2023, at 10:27 AM, Hamza Sohail via Bldg-sim <bldg-sim at lists.onebuilding.org<mailto:bldg-sim at lists.onebuilding.org>> wrote:


Hi, I am new to e Quest and am working on a project but every time when I create a water side HVAC system, the software crashes( turns off automatically). Can anyone help me with this?
What is the main issue behind this?
And after several crashes the file failed to load next time.

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