If Leakage Is Detected

• Remedy the cause of the leak
• Vacuum pump according to Vacuum Pumping 
• Add fluorescent tracing agent with the refrigerant according to FILLING WITH FLUORESCENT TRACING AGENT, WITH THE REFRIGERANT
• Leak trace according to Leak Tracing, Fluorescent Tracing Agent/UV Lamp .

Or: 

• Fill with refrigerant according to Filling With Refrigerant
• Leak trace according to Leak Tracing With An Electronic Leak Tracer Using Refrigerant As A Tracing Agent .