Rheem
Evaporator Coil Freeze-Up
Rheem air conditioner occasionally freezes up; ice forms on the indoor coil or suction line.
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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.
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Possible Causes
Dirty air filter or coil restricting airflow, Blower motor running at too low speed, Low refrigerant charge, Closed or blocked supply/return vents
How to Fix / Troubleshooting
Safety first: Turn the system OFF and set the thermostat fan to ON to thaw the coil. Place towels under the air handler if accessible.
- Thaw completely: Allow several hours for all ice to melt before restarting cooling.
- Restore airflow: Replace or clean filters, open all vents, and ensure furniture is not blocking returns.
- Clean coil: Clean the indoor coil if dirty to improve airflow.
- Professional check: If freeze-ups continue, have a technician check blower speed settings and refrigerant charge.
Warning: Do not chip ice off the coil; this can puncture tubing.
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Repair Difficulty
Medium
3/5
Required Part
Rheem Indoor Evaporator Coil / Blower Motor
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