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FBH won't run from Webasto software
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Jubbly
 


Member Since: 20 Nov 2016
Location: Stourbridge
Posts: 137

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Stornoway GreyDiscovery 4

Cabin fans start then the heater starts 5-10 seconds after.
  
Post #187091721st Oct 2017 4:43 pm
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Sly666
 


Member Since: 14 Dec 2014
Location: East Sussex
Posts: 430

United Kingdom 2013 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

Can you explain what your doing in more detail please?
 
 
 
Post #187091921st Oct 2017 4:44 pm
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daviesto
 


Member Since: 18 May 2015
Location: Reading, Berks
Posts: 53

United Kingdom 2012 Discovery 4 3.0 SDV6 HSE Auto Baltic BlueDiscovery 4

Promising that Jubbly got this working with the new wires. Unfortunately the set that Martin sent to me has disappeared into the Royal Mail ether. Any chance of another set Martin so I can try and verify what Jubbly found?
  
Post #187092021st Oct 2017 4:45 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 16861

Wales 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

As I said in my PM can you give it a couple more days for Royal Mail to find it please?
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #187093021st Oct 2017 5:10 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 16861

Wales 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

Sly666 wrote:
OK ive figured this out and got the heater running by directly injecting code.
It also starts the cabin fan and warms the inside too Smile
Forget about using the WTT software as its sending the wrong command to start the heater!


Not an option for most people though Wink
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #187093221st Oct 2017 5:12 pm
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Jubbly
 


Member Since: 20 Nov 2016
Location: Stourbridge
Posts: 137

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Stornoway GreyDiscovery 4

All I’m doing is following the instructions lol.

Using wtt 3.0
Select the left hand menu for w-bus (<=v3.5)

That opens 2.16.1

I click the start diagnostics button and it connects.

Then I can click the parking heating button and it fires up.

Though if I click the aux heating button I get an nak error.
  
Post #187093621st Oct 2017 5:35 pm
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Sly666
 


Member Since: 14 Dec 2014
Location: East Sussex
Posts: 430

United Kingdom 2013 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

Jubbly
Are the yellow High and Low speed CAN Bus wire still connected when you run the heater?
 
 
 
Post #187094221st Oct 2017 5:42 pm
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Martin
Site Admin and Owner 


Member Since: 06 Nov 2004
Location: Hook Norton
Posts: 16861

Wales 2006 Discovery 3 TDV6 SE Manual Buckingham BlueDiscovery 3

He did say that he fitted the wires I sent him - these connect the CAN bus Smile
 06 D3 SE / 15 LR D90 XS SW / 88 LR 90 Td5 / 68 BMW 2000 ti
Any issues with the site let me know! 
 
Post #187094421st Oct 2017 5:48 pm
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Jubbly
 


Member Since: 20 Nov 2016
Location: Stourbridge
Posts: 137

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Stornoway GreyDiscovery 4

I did fit them and they were connected, in fact to start with it wouldn't work, on double checking I had them in the wrong numbers, refitted and it fired up. so I had the pink and white in the opposite numbers, white to pink etc, as soon as it was correct it worked.
  
Post #187097621st Oct 2017 6:42 pm
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Surfup03
 


Member Since: 27 Mar 2017
Location: London
Posts: 16

United Kingdom 

Hi all.

I thought I'd try one last time and what do you know bingo yes the can bus leads seem to have sorted it Wink it goes to fire and stops im getting a fault code off 22h refrence resistance wrong, quick look on the net and it points to a fault with the glow plug.

Far too late this evening to think anymore about the heater but glad I can attest control it from pc, very strange how iid tool says it's ok though. Feeling confused .

Thanks everyone.
  
Post #187097921st Oct 2017 6:50 pm
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Sly666
 


Member Since: 14 Dec 2014
Location: East Sussex
Posts: 430

United Kingdom 2013 Discovery 4 3.0 SDV6 XS Auto Fuji WhiteDiscovery 4

Pulling my hair out on this now...

This FBH has a mind of its own. One min it will work using WTT then it wont.
Yesterday i had it running continuously with no issue.
Today it tends to mostly ignore WTT software start commands, but when it does start it will run up for about 1 min then shut down again.
If i start it using the Timed Climate "manual Start" button, it does the same and stops after 1 min.

Sometimes, (not every time) i get a low voltage fault stored on the heater. But i'm doing this with a 40 Amp power supply on the battery which maintains it at 13.6 volts!

See this pic...

Click image to enlarge


The car radio also complains of low battery and shuts down too. I have to start the engine to reset this.
Im not sure if this is just a timer or its actually measuring the voltage.
Again, this happens even with the power supply connected to the battery, so voltage is up at 13.6 volts. (i checked this with a meter)





Whats going on!?!!??!?!
 
 
 
Post #187115122nd Oct 2017 2:49 pm
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Surfup03
 


Member Since: 27 Mar 2017
Location: London
Posts: 16

United Kingdom 

Would getting the polarity the wrong way round on the canbus wires damage the ECU?

Try without the battery charger on because that's extremely high nearly 14 volts maybe over the threshold
  
Post #187117122nd Oct 2017 3:43 pm
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Jubbly
 


Member Since: 20 Nov 2016
Location: Stourbridge
Posts: 137

United Kingdom 2011 Discovery 4 3.0 SDV6 HSE Auto Stornoway GreyDiscovery 4

I must say my car this afternoon told me my battery was to low for timed climate, showed 12.3v without the engine running.

Though happy my heater works most mornings now Smile

Though can you turn the heater on from inside the car, if you were waiting for someone SWMBO to do a few hours shopping?
  
Post #187120722nd Oct 2017 6:14 pm
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Surfup03
 


Member Since: 27 Mar 2017
Location: London
Posts: 16

United Kingdom 

Mines stopped working again software wont try to fire just cabin fans!

Can someone conform if it's because the cars warm only I remember last night car was cold as not used all day?

Starting to think webasto software stays within the LR limits maybe something built in heater module.
  
Post #187127522nd Oct 2017 9:17 pm
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Surfup03
 


Member Since: 27 Mar 2017
Location: London
Posts: 16

United Kingdom 

Update!! To cut long story short glow pin error fault for me 120 pound later nice second hand unit diy fitted.

The night I fitted the new unit the software wouldn't fire the heater only fans. But tonight finally got the thing to work yay Smile

Altox controller time for me I think Mr. Green

Thanks for everyone's help.
  
Post #187243726th Oct 2017 12:10 am
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