As we discuss in this brief, the administrationâs reports to the court do not preclude the Legislature from assessing the measures identified by the administration and considering its own strategy for compliance with the court ruling based on its priorities.
The two most common causes of low head pressure at an air conditioner or heat pump compressor motor are: 1  Refrigerant under-charge, due to a refrigerant leak or improper charge.  TXV (TEV) malfunction, over-metering refrigerant.
Ensure the unit is level or even leaning towards the back a little bit will ensure proper door closure via gravity. 3. LOW ON REFRIGERANT: An iced coil can become an issue when a unit is low on refrigerant. This is when the coil cannot exchange heat equally across the fins thus creating an icing situation.