Hisense
Defrost System or Air Leak Problem
Excessive frost or ice buildup on the back wall or around the evaporator.
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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
Defective defrost heater or thermostat, Blocked defrost drain causing ice accumulation, Door gasket air leak, Evaporator fan not running
How to Fix / Troubleshooting
Unplug the unit and remove all wine bottles.
- Manual defrost: Leave the door open and allow all ice to melt completely. Place towels to catch water. Do not use sharp tools to chip ice.
- Inspect gasket: After defrosting, check the door gasket for gaps. Replace if torn or badly deformed.
- Check evaporator fan: Ensure the fan runs when the compressor is on. Replace the fan motor if it is not operating.
- Evaluate recurrence: If heavy frost returns within a few days, the defrost heater or thermostat may be faulty and should be tested and replaced as needed.
Defrost circuit diagnosis often requires a multimeter and should be done carefully or by a professional.
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Repair Difficulty
Medium
3/5
Required Part
Defrost Thermostat
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