Low-Pressure Side Is High
- FILL PROPER AMOUNT OF REFRIGERANT.
Drain all refrigerant, and refill proper amount of refrigerant.
- Recovery: Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>REFRIGERANT RECOVERY PROCEDURE>PROCEDURE .
- Fill: Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>REFRIGERANT CHARGING PROCEDURE>PROCEDURE .
Is refrigerant pressure within the standard value?
Yes: Refrigerant pressure is normal.
No: Go to 2.
- REPLACE EXPANSION VALVE.
Replace the expansion valve. Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>EXPANSION VALVE>REMOVAL .
Is refrigerant pressure within the standard value?
Yes: Refrigerant pressure is normal.
No: Replace the evaporator. Refer to HVAC SYSTEM (HEATER, VENTILATOR AND A/C)>EVAPORATOR>REMOVAL .