Daikin
Insufficient Heating Capacity
Daikin unit runs but does not heat in heating mode; blows cool or lukewarm air
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
Outdoor temperature below unit's operating range, Outdoor coil heavily frosted, Low refrigerant charge, Reversing valve not switching fully
How to Fix / Troubleshooting
Safety first: Do not attempt to open the refrigerant circuit yourself.
User steps:
- Check the outdoor unit for heavy ice buildup; if completely encased, turn off the unit and allow ice to melt, then restart.
- Ensure defrost cycles are not being interrupted by frequent power cycling.
Technician tasks:
- Verify correct operation of defrost control and sensors.
- Check refrigerant charge and repair any leaks.
- Test the reversing valve operation and replace if not shifting correctly.
Advertisements
Repair Difficulty
Hard
4/5
Required Part
Reversing Valve / Refrigerant Circuit
Check Price on Amazon
We may earn a commission from links on this page.
Advertisements