Error P269F Focus Titanium Diesel 2.0

[mutanti]

Got an issue with error Code on my Focus Titanium 2 L turbo, Have plugged in my Bluetooth OBD2 connector .
Shows P269F - Exhaust Aftertreatment Glow Plug Cirsuit/ Open
Have reset the Codes and its back again so Where do I start.
Has anyone had same issue.
Not to keen on the Local Ford Dealer due to him been a jerk etc..
Is there a Way I can Check the DPF Glow Plug to see if its working ok ?
I have Multimeters etc just unsure what Values to look for.
Car has been on a few 20 Minute drives so I'm guessing the DPF is not getting a clean out,
Car only has 28000KMS on it.

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