ptang
Member Since: 14 May 2014
Location: Kent
Posts: 3
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| FBH fault code: 22 Reference resistance wrong |
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Hi all,
Please be gentle - RRS owner asking for help 
I've got an error message coming up in the Webasto software when trying to fire up the FBH but I have no idea what the issue might be and can't find anything via Google.
It's starting up OK (pumps whirr etc) but, before firing up, drops into the cool down cycle after showing a 22h error "Reference resistance is wrong".
I've asked over at the RRS forum without luck so thought I'd try over here as you all seems to be more knowledgeable with the FBH.
Thanks in advance for any pointers!
'tang.
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 14th May 2014 9:44 am |
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Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
 
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Sounds like the FBH glow plug may be shot as that would register an impedance ( resistance ) fault.
My disclaimer is I'm not an expert on all things FBH related but that's where my money lies. 
Have you tried removing the relevant fuses to reset the FBH or even purging it via the software? Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here.
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| 14th May 2014 10:10 am |
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ptang
Member Since: 14 May 2014
Location: Kent
Posts: 3
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Makes sense, Narpy.
Does anyone have or can point me at a guide to stripping down the FBH - I read that the glow plug can get coated in crud and this may be a simple cleaning solution...
'tang.
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| 15th May 2014 9:28 am |
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ptang
Member Since: 14 May 2014
Location: Kent
Posts: 3
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Perfect - thanks Steve.
Question is can I risk doing it now or shall I wait for our overdue baby to arrive first? Might not be wise to have the car in pieces at the moment 
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| 15th May 2014 9:47 am |
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maplecottage
Member Since: 01 Feb 2011
Location: Norfolk
Posts: 3171
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You could whip it out and join the 2 coolant pipes together if you wish but............if I was you I'd leave well alone until after the little one arrives
Hope all goes well, congrats on your forthcoming (over due  ) event, best wishes to you both.
Steve
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| 15th May 2014 1:38 pm |
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Narpy
Member Since: 18 Jul 2011
Location: Stockport
Posts: 7830
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maplecottage wrote:You could whip it out.....
An unfortunate choice of phrase Steve considering.  Mods:
Front Fogs + Halos
FBH Remote Control
The 1st Ever RRS Modded Grill
Garmin Nuvi + D4 Surround + Reversing Camera.
D4 Steering Wheel.
Rear Boot Spoiler.
Twin Brake Lights.
Wing Mirror Indicator Repeaters.
Long Roof Rails
Make your own Narpy grill thread
I'm not scared, I'm outta here.
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| 15th May 2014 6:14 pm |
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maplecottage
Member Since: 01 Feb 2011
Location: Norfolk
Posts: 3171
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| 15th May 2014 8:46 pm |
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