If it blows COLD air "AND" the condenser freezes, it is a SURE sign of the system being OVER-CHARGED with FREON. Using a recovery tank and HVAC manifold/hoses, remove Freon from the system to the recovery tank, keeping a watchful eye on a multi-meter with an amp-probe around the compressor wire. When the OPTIMAL charge is obtained, the amp meter will dip to its LOWEST point. When a system is overcharged, it causes premature failure of the compressor.
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If it blows COLD air "AND" the condenser freezes, it is a SURE sign of the system being OVER-CHARGED with FREON. Using a recovery tank and HVAC manifold/hoses, remove Freon from the system to the recovery tank, keeping a watchful eye on a multi-meter with an amp-probe around the compressor wire. When the OPTIMAL charge is obtained, the amp meter will dip to its LOWEST point. When a system is overcharged, it causes premature failure of the compressor.
Good luck.