Viessmann Viodens 100W 30W

[Paul Judge]

Viessmann Viodens 100W 30W
Replaced Contol Unit
Still Does not Re-ignite Heat.
Followed room temperature controller operating instructions
What si unit: IP 2B 6E - Power Unit Convert 230v to 110v
Hot tap water - yes.
Boiler Turns. water and heat symbol lit. ignition and Pump Turn on. Radiators Heat Up
Then after 15 mins. It turns Off
Sound like a bi-metal strip, clicking Off
But
It will not. reignite the Heat.
No clicking
No ignition
How do I find Fault

 

[shyguy2005]

Viessmann Viodens 100W 30W
Replaced Contol Unit
Still Does not Re-ignite Heat.
Followed room temperature controller operating instructions
What si unit: IP 2B 6E - Power Unit Convert 230v to 110v
Hot tap water - yes.
Boiler Turns. water and heat symbol lit. ignition and Pump Turn on. Radiators Heat Up
Then after 15 mins. It turns Off
Sound like a bi-metal strip, clicking Off
But
It will not. reignite the Heat.
No clicking
No ignition
How do I find Fault

Are you gas safe?

 

[townfanjon]

How do I find Fault

You dont , ring up a gas safe engineer . Try local guys first otherwise use Viessmann’s site for their installers , where are you ?