Basic Problem: High Pressure Internal Vapor Leak to Low Side
a. 3-way valve evaporator seat leaks to the low side.
b. Leaking bypass check valve.
c. Compressor valve plates leak.
d. Compressor piston or cylinder wear.
e. Compressor piston reeds leak.
f. Hot Gas Bypass Valve leak (units with modulation or ETV.)
g. Low compressor RPM.
