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.
Check the cooling systemâs refrigerant levels. If you are low, then contractor searches for a leak (this may take some time) Once found, then all the refrigerant is evacuated using a refrigerant recovery system, so not to expel the polluting gasses freely into the air. Contractor fixes the leak.