H1
Maytag
High Temperature Alarm
Display shows H1; indicates high temperature in the refrigerator or freezer compartment.
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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
Door left open for extended time, Recent large load of warm food, Cooling system issue (compressor, fans, or sealed system), Defrost problem causing airflow blockage
How to Fix / Troubleshooting
Safety: No immediate disassembly is required for initial checks.
- Verify door closure: Ensure all doors are fully closed and sealing properly.
- Check temperature settings: Set freezer to 0°F (-18°C) and refrigerator to 37–38°F (3°C).
- Allow recovery time: After a warm load or door left open, it can take 24 hours to return to normal temperatures.
- Listen for fans and compressor: Confirm that the compressor and interior fans are running periodically.
If temperatures do not improve within 24 hours or frost is visible on the back wall of the freezer, further diagnosis of the defrost system or sealed system is needed.
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Repair Difficulty
Medium
3/5
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