Alarm cabine pressure. Saab 340 v 1.6.1

[Robster]

Hello,
I have made 2 flights above FL200 and I have a cabin pressure alarm sounding and I do not know how to proceed, and yet I have correctly set my destination altitude?

 

 

[Ch.Cole]

how does your overhead look like? did you reset the bleeds? Are your valves open?

[Robster]

 

 

Here are the positions of my buttons when I fly.
I specify that when I am less than FL150, no alarm.
until now I had only made small short distance flights. I was never confronted in this case of pressure

[Vostflyer]

Oxygen pulled on?

[Robster]

 

Does the oxygen lever have to be up or down?

 

When I start the plane I pull the lever up

Edited March 5, 2021 by Robster

[Ch.Cole]

HP Valves should be in AUTO

[Robster]

OK, thanks ,
I'm trying

[Tim013]

I think....from my fading memory....that the HP valves by default when you load in at your departure airport, are in the AUTO position, and should be left there.  The bleeds get reset twice on the checlist....once before engine start, and again after engine start.  Three times if'n you turn the bleeds off for departure when you need every drop of power.  That's where I'd start looking.

[Ch.Cole]

In his picture, they are in off, also, you usually shut them down on the ground to put less stress on the engines and they are to be set to off before engine shutdown. So them being off on loading seems possible. They are supposed to be off before engine start anyway.

[Vostflyer]

Apart from a corrupted installation or plug-in conflict, the only other thing I can think of is a door not sealed properly.

[Robster]

I always tried an alarm, so I had to switch to manual setting to turn it off.

 

Edited March 6, 2021 by Robster

[Ch.Cole]

You want the rightmost knob (outflow valve) to be closed, not open. Also, make sure HP Valves are AUTO.

[N1K]

That last picture markup is everything in the exact opposite of where they need to be.
You're commanding a max rate depressurisation.

Rate has a white detent mark at the 500fpm mark, think it defaults to it, its almost fully left.
Auto in auto.
Manual outflow valve fully closed to the left.
Outside of that just LP Bleed valves reset then auto.

 

Oxygen lever only opens the shutoff valve to the crew oxy masks, has no impact on the pressurisation system.

Edited March 7, 2021 by N1K

[Robster]

 

I made a flight today everything went well at 19000 feet without alarm leaving everything in automatic? i don't know what i did but it works.
I think there is a method to do when starting the plane. I will refer to the checklist.
thank you to all of you