Friedrich Loss of Cooling / Reversing Valve or Refrigerant Issue

Unit blows warm air in COOL mode

Advertisements

Safety Warning

This repair may involve working with high voltage components or water connections. Always unplug the appliance before removing any panels.

If you are not confident in your ability to perform this repair safely, we strongly recommend contacting a professional technician.

Advertisements

Possible Causes

Low or no refrigerant charge, stuck reversing valve (heat pump models), failed compressor, blocked condenser coil

How to Fix / Troubleshooting

Safety: Turn OFF power before cleaning coils; refrigerant work must be done by a professional.

Steps:

  • Confirm settings: Ensure the unit is in COOL mode with a low setpoint and that the compressor and outdoor fan are running.
  • Clean coils: Clean both indoor and outdoor coils to ensure proper heat exchange.
  • Check for frost or ice: Ice on the indoor coil may indicate low airflow or low refrigerant. Correct airflow issues first.
  • Heat pump valve: On heat pump models, verify that the reversing valve is switching correctly between modes (technician task).
  • Refrigerant diagnosis: If airflow is good and the compressor runs but no cooling occurs, a licensed technician must check refrigerant charge and system integrity.
Advertisements

Repair Difficulty

Professional Required 5/5

Required Part

Reversing Valve
Check Price on Amazon

We may earn a commission from links on this page.

Advertisements