There may be more serious problems that would require a service technician like compressor issues. Refrigerant floodback occurs when the liquid enters into the compressor crankcase. This noise would usually occur should the compressor starts up. Another issue could be oil leaks causing a decreased oil level in the compressor but it could probably be pretty rare. It's more than likely the way your air conditioner is mounted that's causing it to make noise. Experiment with the shims and I'll bet it goes gone. Remember to unplug it from your electrical outlet before attempting to do any internal work on it. . Most problems that people face with air conditioners can be solved by simple maintenance in addition to cleaning. A regular cleaning of the air conditioner grille and filter helps to increase its longevity and help it become more efficient at cooling. Sometimes particle aggregation contained in the air filter chokes the ducts and makes mid-air conditioner ineffective. This can be solved using a simple cleaning of the air filter. The common problems with air conditioners are faulty cool, collection of water pools below the hvac, rattling sounds when the unit is turning down, dysfunctional temperature control, etc. Some of problems can be repaired by the proprietors themselves without calling for technical help. The air conditioner manual carries solutions to minor problems that could be easily implemented.goodman gsc13 priceamana asx13 priceamana asx18 pricegoodman dsxc16 price |