P38A Minor hvac display issue.

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Flossie

Flossie

Well-Known Member
Posts
11,071
Location
Shropshire
When the weather is cold/damp my display loses pixels but they return once the cabin has some heat in it. Problem is non existent in summer. The colder it is the more pixels I lose. Cabin is as far as I know 100% dry , matrix O rings, sunroof, pollen filters all sorted. Could it be that ribbon wiring connector needing replacing one wonders?o_O
 
Flossie said:
When the weather is cold/damp my display loses pixels but they return once the cabin has some heat in it. Problem is non existent in summer. The colder it is the more pixels I lose. Cabin is as far as I know 100% dry , matrix O rings, sunroof, pollen filters all sorted. Could it be that ribbon wiring connector needing replacing one wonders?o_O
Click to expand...
Happens on both mine, very temperature dependent, it's the connection for the display. There are no pixels in the display, a pixel is a dot, it's a segment display.;)
 
Flossie said:
When the weather is cold/damp my display loses pixels but they return once the cabin has some heat in it. Problem is non existent in summer. The colder it is the more pixels I lose. Cabin is as far as I know 100% dry , matrix O rings, sunroof, pollen filters all sorted. Could it be that ribbon wiring connector needing replacing one wonders?o_O
Click to expand...

@martyuk does ribbon replacement kits. I don't know if his mate is manning the site and sending the kits out.
 
Dunno, can't remember. All I do remember is that it was heavy, chrome or silver coloured, red display, hard to read in bright sunlight. Cost a bomb according to my dad , 13th birthday present. I'm 60 now and can't remember what I did yesterday :oops::D
 
Can't get martys shop up??
Found something on rpi engineering, is that the same thing that marty does? Can't do links since the forums latest fart. £14 odd offa them.
 
did mine with the zebra connector last summer
Flossie said:
When the weather is cold/damp my display loses pixels but they return once the cabin has some heat in it. Problem is non existent in summer. The colder it is the more pixels I lose. Cabin is as far as I know 100% dry , matrix O rings, sunroof, pollen filters all sorted. Could it be that ribbon wiring connector needing replacing one wonders?o_O
Click to expand...
 
I got mine off ebay - was an easy fix (surprisingly easy)
https://www.ebay.co.uk/itm/23453459...p/os9djRzdHbY8a3qxBK5JSQY=|tkp:Bk9SR4y7vNTJYQ

you can also try pressing firmly just below the bottom of the screen in the middle- without removing the unit. It is right here where the strip adheres to the bottom of the screen inside the unit. I lost the display once after replacing the strip and pressed there a few years back and it has not given any trouble since
 
romanrob said:
I got mine off ebay - was an easy fix (surprisingly easy)
https://www.ebay.co.uk/itm/234534597402?hash=item369b59f31a:g:K2IAAOSwjrFb50Gb&amdata=enc:AQAHAAAAoC7iQeRlV90evayPssRr1o4XdRsnNNkNjqGHAp+G6s0DV6HTAAg+precg9S/q9oN1gFmQw75nj3edvVeRc7OJR+CQbaa/QwYBuz6GDTviUgSF+O0mSNx1+XuQrkm5la7xVbwf5rTVuULV0Vf+RQpodnSyehN19rPSh3BF9XY7hA2ooxATHjaoZu/p78D1Sp/os9djRzdHbY8a3qxBK5JSQY=|tkp:Bk9SR4y7vNTJYQ

you can also try pressing firmly just below the bottom of the screen in the middle- without removing the unit. It is right here where the strip adheres to the bottom of the screen inside the unit. I lost the display once after replacing the strip and pressed there a few years back and it has not given any trouble since
Click to expand...
I'm terrible for forgetting about things so I've ordered one off your link ready to do the job before I forget again., when it warms up a tad more I'll get on with it including fixing the bulbs and clock.
 
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