Velux Powered Windows

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  #1  
Old 09-10-19, 09:08 PM
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Velux Powered Windows

Hi all,

First time posting here. Found a couple of old threads and then this one which seems to be the newest. Bought a late Ď80s house in Park City, UT that has two Velux powered skylight windows and integrated powered blinds. We typically leave them open during the warm months as it hardly rains here and we donít have A/C so they allow heat to escape from the main living room which has vaulted ceilings. Windows are about 18í up from the floor so hard to access as I donít have a ladder tall enough. The problem is that they wonít shut...

It has rained here recently and although they openings arenít too much there is still rain coming in. Not to mention winter is coming and it is getting down into the 40s at night so shutting them would be nice.

There are switches on the wall of the living room that control the operation of the windows (open/close) and the blinds (pitch). Since there are two windows there are four switches. The single metallic switch on top (see below images) controls one of the window blinds and the individual switch buttons on the three switch panel on bottom control the other blind pitch and then the two windows open/close.

[img]blob:https://www.doityourself.com/b383c26c-0f39-491f-a145-318edcbc989e[/img]

There is power to the single top metallic switch as the blinds for the single window it controls operate just fine. The entire switch panel with the three switches on it below that seems to be dead as nothing happens when anything is pressed. So I pulled that panel off thinking there was a battery in there that was dead and found it to be hard wired as seen below...

[img]blob:https://www.doityourself.com/b87a39c1-b413-4626-b178-81746c80f93d[/img]

So I disconnected the three blue, red, and yellow wires, cleaned out the terminals, reconnected them, and still nothing.

Down in the basement is where the power supply is located. There are two white boxes that are plugged into a 110VAC power supply. I opened them both up and the first one looked like this:

[img]blob:https://www.doityourself.com/9f8fe411-9d03-4121-b64c-b08ce0a90a10[/img]

The second one looked like this with the PCB:

[img]blob:https://www.doityourself.com/156030c9-f0c3-4494-b827-ef76a0e1ea57[/img]

Iím an engineer by trade and consider myself pretty handy but electrical stuff isnít my expertise... Anyone have any recommendations? Iíve heard of disconnecting blue wires on window motors, rain sensor issues, bypassing power supplies, etc but donít know where to start. Seems like to window motors are fine and I have a power supply issue. Any help would be appreciated!
 
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Old 09-11-19, 06:37 AM
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Hello and welcome to the forum! I moved your post to it's own thread. Also, your pics are not showing. Here's instructions: How to insert pictures
 
  #3  
Old 09-11-19, 10:52 AM
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Velux Powered Windows

Reposting with images...

Hi all,

First time posting here. Found a couple of old threads and then this one which seems to be the newest. Bought a late Ď80s house in Park City, UT that has two Velux powered skylight windows and integrated powered blinds. We typically leave them open during the warm months as it hardly rains here and we donít have A/C so they allow heat to escape from the main living room which has vaulted ceilings. Windows are about 18í up from the floor so they're hard to access as I donít have a ladder tall enough. The problem is that they wonít shut...

It has rained here recently and although they openings arenít too much there is still rain coming in. Not to mention winter is coming and it is getting down into the 40s at night so shutting them would be nice.

There are switches on the wall of the living room that control the operation of the windows (open/close) and the blinds (pitch). Since there are two windows there are four switches. The single metallic switch on top (see first image) controls one of the window blinds and the individual switch buttons on the three switch panel on bottom control the other blind pitch and then the two windows open/close.

There is power to the single top metallic switch as the blinds for the single window it controls operate just fine. The entire switch panel with the three switches on it below that seems to be dead as nothing happens when anything is pressed. So I pulled that panel off thinking there was a battery in there that was dead and found it to be hard wired as seen in the second picture below...

So I disconnected the three blue, red, and yellow wires, cleaned out the terminals, reconnected them, and still nothing.

Down in the basement is where the power supply is located. There are two white boxes that are plugged into a 110VAC power supply. I opened them both up and the first one looked like the third picture below...

The second one looked like the fourth picture below with the PCB:

Iím an engineer by trade and consider myself pretty handy but electrical stuff isnít my expertise... Anyone have any recommendations? Iíve heard of disconnecting blue wires on window motors, rain sensor issues, bypassing power supplies, etc but donít know where to start. Seems like to window motors are fine and I have a power supply issue. Any help would be appreciated!
 
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