Outdoor unit ices up completely in heating mode and does not defrost properly.
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.
Possible Causes
How to Fix / Troubleshooting
Safety first: Turn OFF power before removing ice manually. Do not use sharp tools.
- Step 1 – Clear snow and debris: Remove loose snow and ensure air inlets/outlets are free.
- Step 2 – Observe defrost cycles: Turn the unit back on and see if it enters defrost (steam from outdoor coil, fan stops) periodically.
When to call a technician: If the unit never defrosts or remains iced, a technician must check sensors, reversing valve operation, and refrigerant charge.
Repair Difficulty
Required Part
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