Ongoing problem with refrigerator not cooling
We have a 2003 Monaco with a Dometic refrigerator that has had the recall fix completed. Before and after the fix, we started having a problem with the refrigerator not cooling (no co) so we have to ...
Forum Discussion
frankdamp wrote:
The key to diagnosing our failure was a yellow powdery substance round the base of the flue. It was sulfur powder, a result of a chemical reaction between the propane flue gases and ammonia leaking from the cooling unit. It meant that the CU was dead.
Actually the yellow powder is not sulfur, but a chromate compound inside the cooling unit that is used as a corrosion inhibitor. An ammonia smell and the yellow residue is a sure sign that your cooling unit has gone south.
