Jenn-Air Freezer HT Error: High Temperature Alarm
What Does Jenn-Air Freezer Error Code HT Mean? The HT alarm on a Jenn-Air freezer is a high temperature warning. The internal temperature has risen above the safe threshold for frozen food storage, putting your food at risk. Common Causes The simplest cause is a door left open — even slightly ajar. Adding a large […]
Quick Assessment
Answer to continue safely
Is it safe to keep using?
Maybe. If the cause is a door left open, close it and let the freezer recover. If the cooling system has failed, transfer food to another freezer.
Can I reset the code?
Yes. The alarm clears automatically when the temperature drops back below the safe threshold.
When to stop immediately?
Stop if you notice: Temperature continues to rise with door closed, Compressor is not running.
Symptoms You May Notice
Frozen food beginning to thaw
Items in the freezer are softening or showing signs of partial thawing.
Audible high-temperature alarm
The freezer sounds a continuous alarm to alert that temperatures are unsafe.
Display shows temperature well above 0°F
The temperature reading shows 15°F or higher, indicating the freezer cannot maintain its set point.
Possible Causes
Door left open
The freezer door was not fully closed, allowing warm air to enter and raise the temperature.
DIY PossibleCompressor or cooling system failure
The compressor, condenser fan, or evaporator fan has failed, preventing the freezer from cooling.
Requires ProfessionalHeavy food load added
A large amount of unfrozen food was placed in the freezer at once, temporarily overwhelming the cooling system.
DIY PossibleSafe Checks You Can Do
-
1
Verify the door is closed
Make sure the door is fully shut and sealed. Check that nothing is blocking the door.
If the door was left open, the freezer should recover within a few hours.
-
2
Check compressor operation
Feel the compressor at the back or bottom — it should be running and slightly warm. Listen for the evaporator fan inside.
If the compressor is not running or is extremely hot, there is a mechanical failure.
When to Call a Professional
Contact a qualified technician if:
- Compressor does not start
- Refrigerant leak suspected (oily residue near coils)
- Temperature does not drop after 6 hours
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
Freezer Repair Service Schedule Appointment