By signing in to ALLDATA you agree to our Terms and Conditions of Use. If the tester lights you have 12 volts to terminal A at the transmission. Hvac Pressure Testing Procedure For Air Conditioners Step By Step Youtube Air conditioner or heat pump compressor burn-out diagnosis repair. . Leak detection will focus on the evaporator coil the condenser coil and connections in the refrigerant conduit. Clearinghouse for Inventories and Emissions Factors CHIEF. When youre trying to find a leak in an outdoor unit the filterdryer tube is the most likely suspect. Note that some self-test steps may stop the gas gauge at 14 12 and 34 as well. This article discusses the diagnosis and repair of problems with the outdoor compressor condenser fan and fan motor including fans that wont run fans that run at slow speed and fans that wont stop runningOur page top photo of a compressorcondenser fan unit shows that a stick had fallen into the f