Hi all - we are camping now and it’s pretty chilly!! Truma Aventa system doesn’t seem to want to heat. It’s not super cold so it’s not an issue with the outside temp (we are camping with friends having no issues with the same unit). When we select the heating mode I gather the light on the unit should light up yellow but this is it happening. It flashes red to indicate it is receiving data but that’s all. It just continues to blow cold air 
. Any suggestions? Brrrrrr!
. Any suggestions? Brrrrrr!
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