Though a blocked percolator tube is but one cause of rendering a cooling unit faulty by far the largest cause of unit failure today is due to leaks in the tubing especially in those areas imbedded in the polyurethane foam block which surrounds the evaporator sections.
Dometic cooling unit blockage.
When standard units don t fit tailor made all in one kits can be an alternative and this is made easy by the cu series of cooling units combined with the vd series.
Damaged by overheating and blockage of the system.
The number one reason cooling units fail is because they rust out and start leaking ammonia.
Rv refrigerator troubleshooting experts suggest letting the cooling unit run for 24 hours to find blockages and get an accurate reading on the system s efficiency.
If the cooling unit isn t running at it s peak performance there s little point to moving on to cleaning the other components.
If your rv refrigerator isn t cooling and smells of ammonia the cooling unit has failed and needs to be replaced.