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CO2 adjustment not working on Thermo Test Software
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iacsinte
 


Member Since: 09 Dec 2021
Location: Suceava
Posts: 8

Romania 2006 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3
CO2 adjustment not working on Thermo Test Software

Hi group,

I need your help on the following matter: These days I started working on fixing my webasto for my discovery 3, 2006. It was starting but turning off by itself in 30 sec. Thanks to this forum I managed to clean it, diagnose it and make it run. It has the 02h error. Blow on it and made it run. Still if I don't blow on it, it will stop.

So I tried the sugested aproach to increase the CO2 setting from Calibration => CO2 adjustment. Still, when the adjustment window opens I get the following error:

CO2 adjustment is not possible! The heating unit is not within the necessary operating state or adjustment value out of the valid range.

I have no other option but to close this window.
I used:
- Thermo Test software installer v2.14
- Thermo Test software installer v2.16.1
- Thermo Test software installer v3.4
Same error on all. VCDS pin configuration: 4, 7, 16. I think now that I never tried using pin 5 as ground instead of 4.

Do you have any suggestions for me?

As I see I have 2 options:
- increase the setting as you all did - but need your help to pass the error.
- mount a 12V fan to continuously blow into the air inlet.

As an update, today I mounted an 12V air pump used for inflatable mattress. I had one bought since last summer and I found it useless. Not it meets its purpose Smile. Btw, it costs @15£ => https://jysk.ro/gradina/saltele-gonflabile...o-12v-220v

It works perfectly (until everything will get on fire Very Happy )

In meantime. I still look for a solution to pass that error window and increase CO2 level. any help will be appreciated.


Click image to enlarge










Many thanks!
  
Post #226704013th Dec 2021 6:00 pm
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Motolab
 


Member Since: 18 Oct 2019
Location: Sleen
Posts: 1815

Netherlands 2006 Discovery 3 TDV6 HSE Auto Zambezi SilverDiscovery 3

Welcome!
 Best regards
Harold

Always looking for Pre '55's & Pre war British Motorcycles! knowing or having one for sale? PM please. I visit the UK 6 times a year

Ps. I edit my texts quite often, english is not my native language, so I will edit My “typo’s” etc. Wink 
 
Post #226709413th Dec 2021 10:14 pm
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riverblanche
 


Member Since: 31 Aug 2010
Location: retford'ish
Posts: 2206

England 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Hi and welcome...

are you starting and getting the fbh running stable before trying to change the CO setting Question

Thumbs Up
 Transit! 2019
Gone D3 HSE 2008
Another Porsche Cayenne 2022
Gone Porsche Cayenne 2020
Gone RRS HSE Dynamic 2016
Gone RRS HSE LUX 2011
Gone RRS HSE 2006
Gone D3 SE 2.7 2008
gone D2 Td5 1999

I plan on living forever and so far so good !

Club DG Mclaren stuff
 
Post #226717914th Dec 2021 11:27 am
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iacsinte
 


Member Since: 09 Dec 2021
Location: Suceava
Posts: 8

Romania 2006 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3

Hi,

Yes, I left it run for more than 10 mins. In fact I tried multiple times (with it running, with it being off, etc.)
  
Post #226718614th Dec 2021 12:07 pm
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riverblanche
 


Member Since: 31 Aug 2010
Location: retford'ish
Posts: 2206

England 2008 Discovery 3 TDV6 HSE Auto Java BlackDiscovery 3

Hi,

sadly can not offer any advice then but there are a few screen shot pics in my "its a RRS" gallery of the webasto software when I tried to sort mine one is the CO2 screen.

Thumbs Up
 Transit! 2019
Gone D3 HSE 2008
Another Porsche Cayenne 2022
Gone Porsche Cayenne 2020
Gone RRS HSE Dynamic 2016
Gone RRS HSE LUX 2011
Gone RRS HSE 2006
Gone D3 SE 2.7 2008
gone D2 Td5 1999

I plan on living forever and so far so good !

Club DG Mclaren stuff
 
Post #226725014th Dec 2021 5:01 pm
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iacsinte
 


Member Since: 09 Dec 2021
Location: Suceava
Posts: 8

Romania 2006 Discovery 3 TDV6 HSE Auto Barolo BlackDiscovery 3

Hi,

I tried again today, with my improvised fan blowing and I left it run for about 10 mins. After that I was able to enter and edit the CO2 setting. Of course, while still running in "Parking Heater" mode.

I modified the value to something close to the maximum (last value before the maximum) and since then I tried 2 time without any blower help and seems to work perfectly.

Many thanks for your help!
Ionut
  
Post #226816820th Dec 2021 6:55 pm
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Dartanjang
 


Member Since: 20 Dec 2014
Location: Mountain Strokes
Posts: 77

Sweden 

I have a suggestion totally unrelated to CO2. Check the burning timer counter. If it has reached 800 hours, the burner throws the 02 fault code and refuses to run. The remedy is to reset the timer by reprogramming the memory cells that contain the counter value.

Apparently there is a block in the software when the burn counter reaches 800 hours which is universal. I had this problem with my daugther's Volvo. But I see on the internet that this pertains many other brands where a Webasto is fitted, including LR.
  
Post #226825521st Dec 2021 7:37 am
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