Cap Tube or TEV Distributor Restricted
Excessive Load on Evaporator Above Design Conditions
Flash Gas in the Liquid Line
Gas-Charged TEV (MOP)
Improper Piping Design
Inadequate Subcooling
Internally Equalized TEV
Liquid Line Restriction
Low Head Pressure
Measuring and Adjusting Operating Superheat
Power Element Failure or Loss of Charge
Superheat Adjustment Too High
System Contamination
Undersized TEV