Read and understand APPN15 EVEN THE VAULTED SCHEMES have to apply 7671 to their acceptance procedure. Apart from the obligatory numerous pound notes, and hoops you have to jump through you need to join every 12 months, just to keep parasites in beer money. Going to get deleted isn't it?
Then if it's that strange carry out two seoerate tests , the wiring and the power consuming equipment \, to try and eliminate one from the other, no good just testing it all in one procedure, any good detective will tell you to eliminate one area at a time just saying, others may call me an...
If air has gotten into the fridge system ,then you deffo have a leak, as the refrigeration system is sealed, a leak would eventually cause a complete loss of refrigerant.
You have either lost all the refrigerant charge or the Compressor has gone US time toi get a fridge mech in to have a look and carry out some tests, not something a DIY person can do.
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