Question about Ruud Central System Air Conditioner
Turn your System OFF and put the Fan switch at your thermostat in the FAN or ON position. Allow it to run like this for 4 hours minimum. Before turning the system back on, ensure the air filter(s) and coils are clean. Also make sure all of the supply registers are open. All of these items affect airflow. Improper airflow is the number one cause of an iced up evaporator coil (as indicated by your observation of ice on the black hose). If, after doing all these things, you continue to have a problem, you most likely have a refrigerant problem (not enough or a restriction). This would require paying a CFC certified electrician to diagnose and repair. Try the air filters, coils, and registers first. :-)
Posted on May 30, 2010
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Posted on Jan 02, 2017
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