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Error code reference

Frigidaire Freezer Error Code high temp

A malfunction has caused an unsafe temperature inside the freezer unit.

A malfunction has caused an unsafe temperature inside the freezer unit.

First step from the service manual

Press the 'set' button next to the 'alarm off' indicator on the display or press any key on the control panel to silence the alarm.

The complete diagnostic procedure includes additional test steps, resistance specifications, wiring diagram references, and component test points.

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What high temp means on a Frigidaire freezer

The high temp alert on a Frigidaire freezer indicates that the internal temperature has risen to an unsafe level, triggering the unit's built-in temperature monitoring system. This alarm is designed to protect stored food by notifying you before temperatures climb high enough to cause spoilage or safety hazards. The alert activates when the freezer's thermistor or temperature sensor detects that conditions inside the cabinet have exceeded the acceptable threshold for safe frozen storage.

The most common triggers for this condition fall into two categories: external factors and internal component failures. External factors include a door left ajar, a compromised door gasket allowing warm air infiltration, high ambient room temperatures, or a recent power outage that allowed the unit to warm up. Internal component failures that can cause the same alert include a malfunctioning evaporator fan motor that stops circulating cold air, a failed defrost heater or defrost thermostat causing excessive frost buildup on the evaporator coils, or a refrigerant leak that reduces the system's cooling capacity.

To silence the alarm, press the 'set' button next to the 'alarm off' indicator on the display, or press any key on the control panel. Silencing the alarm does not resolve the underlying cause. After silencing, you should check the current internal temperature reading on the display and monitor whether the unit recovers to its set point. If the temperature continues to rise or fails to return to the normal operating range, further diagnosis of the refrigeration system, evaporator fan, defrost system, and door seals is required.

Source: manufacturer service documentation.

Common causes of high temp

  1. 01

    Door Left Open or Poor Door Seal

    Wiring / connection

    A door left ajar or a worn, cracked door gasket allows warm air to enter the freezer continuously, raising the internal temperature. Inspect the gasket around the full perimeter of the door for tears, stiffness, or gaps, and check that the door closes and latches fully.

  2. 02

    Recent Power Outage

    Wiring / connection

    A power interruption stops the compressor and fans, allowing the interior temperature to rise. If the freezer is otherwise functioning normally after power is restored, the alert should clear as the unit returns to its set temperature.

  3. 03

    Evaporator Fan Motor Failure

    Part replacement

    The evaporator fan circulates cold air throughout the freezer cabinet. If the motor fails or the fan blade is obstructed, cold air stops moving and temperatures rise even though the compressor may still be running. Listen for the fan while the unit is operating to confirm it is spinning.

  4. 04

    Defrost System Malfunction

    Part replacement

    A failed defrost heater, defrost thermostat, or defrost timer can cause heavy frost to accumulate on the evaporator coils, blocking airflow and reducing cooling efficiency. Excessive frost buildup visible inside the freezer compartment is a sign of this problem.

  5. 05

    Refrigerant Leak or Compressor Issue

    Part replacement

    A loss of refrigerant charge or a failing compressor reduces the system's ability to maintain freezing temperatures. If the unit runs continuously but never reaches the set temperature, and other causes have been ruled out, a refrigeration system diagnosis by a certified technician is needed.

See the test procedure for each cause

Frequently asked questions about high temp

What does high temp mean on a Frigidaire freezer?
The high temp alert means the freezer's temperature monitoring system has detected that the interior temperature has risen to an unsafe level for frozen food storage. It is triggered by the unit's temperature sensor when conditions inside the cabinet exceed the acceptable threshold. The alarm can be silenced by pressing the 'set' button next to the 'alarm off' indicator or by pressing any key on the control panel. Silencing the alarm does not fix the underlying problem, so further investigation is needed if the unit does not recover its temperature.
How do I fix the high temp alert on my Frigidaire freezer?
Start by checking the basics: confirm the door is fully closed, inspect the door gasket for damage, and verify the freezer is plugged in and the circuit breaker has not tripped. If those checks pass, listen for the evaporator fan and monitor whether the unit cools back down to its set temperature over the next few hours. If the temperature continues to rise or the unit never recovers, a component such as the evaporator fan motor, defrost heater, or defrost thermostat may need to be tested and replaced.
Is my food safe after the high temp alarm went off?
Food safety depends on how high the temperature rose and for how long. The USDA recommends that frozen food kept at 40 degrees Fahrenheit or below is generally still safe. If the freezer temperature climbed above 40 degrees for more than two hours, perishable items may need to be discarded. Check for ice crystal presence in previously frozen items as a general indicator of whether full thawing occurred.
Will resetting the Frigidaire freezer clear the high temp alert?
Pressing any key or the 'set' button will silence the audible alarm, but this does not reset the root cause. If the underlying issue, such as a failed fan, defrost component, or open door, is not corrected, the alert will return once temperatures rise again. The alarm will typically clear on its own once the freezer returns to a safe operating temperature after the cause is resolved.
How much does it cost to repair a Frigidaire freezer showing a high temp alert?
Repair costs vary widely depending on the cause. Replacing a door gasket is typically the least expensive fix, often in the range of $20 to $75 for the part. Replacing an evaporator fan motor or defrost components generally falls in the $50 to $200 range for parts, plus labor if a technician is involved. A refrigerant leak or compressor failure represents the most costly repair, with total costs potentially ranging from $200 to $600 or more depending on the unit and service rates in your area.

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