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FBH - Remote Park Heating - How is it supposed to work?
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ecs0set
 


Member Since: 25 May 2017
Location: Dorset
Posts: 33

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Baltic BlueDiscovery 4
FBH - Remote Park Heating - How is it supposed to work?

I've had Remote Park Heating added thanks to Bodsy and woody32. I'm still slightly confused as to the operation though.

It seems to work if the engine is stone cold, however if the coolant is slightly warm, say you've been out for a walk and the car was running an hour ago, it seems to enable the fan but not fire up the FBH or coolant circulation. The result is that instead of warming a cold cabin, it's blowing cold air into it.

I imagine this is a design feature but I thought I'd ask in case I was doing something wrong.

I know it needs at least a certain level of fuel (not sure how much) and the external air temperature to be below... well depends where you read it but let's say 14 degrees C.
  
Post #18768217th Nov 2017 5:03 pm
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OJ-LR4
 


Member Since: 01 Oct 2017
Location: Loch Leven
Posts: 362

Scotland 2015 LR4 3.0 SDV6 SE Tech Auto Corris GreyLR4

I’ve just fitted Bodsy’s kit to my D4 and had a bit of learning to do in the process, it’s dependant on temperatures, if it’s cold < 15c (ish) it will bring on the heater fans and FBH to warm the engine and cabin, if it’s warm as in your case where the engines been running beforehand it only brings on the heater fans to circulate the air which is ideal for summer.

Sounds like it’s all working ok tho

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OJ
 2015 Discovery 4

Gone-2015 Defender Puma 2.2, 2010 Defender Puma 2.4, 2001 Defender Td5, 1993 Defender 200 Tdi


 
 
Post #18768357th Nov 2017 5:22 pm
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ecs0set
 


Member Since: 25 May 2017
Location: Dorset
Posts: 33

United Kingdom 2013 Discovery 4 3.0 SDV6 HSE Lux Auto Baltic BlueDiscovery 4

I'm pretty sure the ambient temperature was only 11 degrees and it was still running without the FBH. The only difference being that the coolant was slightly warm.
  
Post #18769427th Nov 2017 8:33 pm
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OJ-LR4
 


Member Since: 01 Oct 2017
Location: Loch Leven
Posts: 362

Scotland 2015 LR4 3.0 SDV6 SE Tech Auto Corris GreyLR4

I think that’s the critical bit, if the engines at all warm the FBH will note this and won’t start, of course I may be completely wrong and there may be an underlying issue but your description of how it operates fits with exactly how my system is operating as well.

If your not sure it’s always worth getting it checked out. Bodsy is extremely knowledgable about the FBH system and I’m sure he will keep you right.

OJ
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 2015 Discovery 4

Gone-2015 Defender Puma 2.2, 2010 Defender Puma 2.4, 2001 Defender Td5, 1993 Defender 200 Tdi


 
 
Post #18769457th Nov 2017 8:45 pm
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