The cold room displays the fault code R1 meaning: The system lacks fluorine or clogs protection. Here's how to deal with it:
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1. If the air conditioner lacks fluorine, the after-sales personnel should be contacted to avoid the inappropriate fluoridation content affecting the service life of the air conditioner
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2, if the pipeline is blocked, the vacuum pump should be used to clean the internal humid air. If it still does not work, it indicates that there is foreign matter blocked, and the pipeline needs to be replaced.
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First turn on the air conditioner to open refrigeration, let the air conditioner compressor run continuously for more than 15 minutes, if the refrigeration system lacks fluorine, there will be a phenomenon: the return pipe is dry, there is no obvious cold feeling with hand touch, and there is no condensation phenomenon. Drain hoses drain little or no water. In addition, connect the pressure gauge to the by-pass charging valve, indicating negative pressure indicates that it has been blocked.