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Error code reference

Electrolux Refrigerator Error Code 2X

Open NTC where X is

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What the 2X error code actually means

Your Electrolux refrigerator has detected a problem with the temperature sensor inside the special drawer compartment (the PTD drawer). The sensor has stopped sending temperature readings to the refrigerator's control board, so it can no longer properly control the temperature in that area. A technician will need to check whether the sensor itself has failed or whether a wire connecting it has come loose or broken.

Diagnostic procedure

The full 2X procedure

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MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check PTD drawer NTC thermistor and wiring for open circuit.
More steps, wiring diagram references, and verified part numbers
Includes expected resistance and voltage values, connector pinouts, and supersession notes for replacement parts.
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Most common causes of 2X

Ranked by how often they cause this code
  1. 1Failed PTD drawer NTC thermistor
  2. 2Disconnected wiring connector
  3. 3Damaged wiring harness
  4. 4Corroded or oxidized connector terminals
  5. 5Control board input fault

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Questions people ask about 2X

What does 2X mean on a Electrolux refrigerator?
Error code 2X indicates an open circuit condition in one of the refrigerator's NTC temperature sensors. When displayed as 21, it specifically points to the PTD (Personal Temperature Drawer) NTC thermistor. The control board is not receiving any temperature signal from that sensor, which prevents proper temperature regulation in the drawer compartment. The fault can stem from a failed thermistor, broken wiring, or a loose connector.
Is it safe to keep using my refrigerator when error code 21 is showing?
The main refrigerator and freezer compartments will typically continue to operate while this fault is active, so your primary food storage is likely unaffected. However, the PTD drawer cannot maintain a reliable or accurate temperature without a functioning sensor, so food stored specifically in that compartment may not be held at the intended temperature. It is best to empty the PTD drawer and arrange service promptly.
Will resetting my Electrolux refrigerator clear error code 21?
A power reset may temporarily clear the fault code from the display, but the code will return if the underlying open circuit condition in the PTD drawer NTC thermistor or its wiring has not been corrected. Resetting alone does not fix the hardware fault. The sensor and wiring must be inspected, tested, and repaired or replaced before the error will clear permanently.
Can I fix error code 21 on my Electrolux refrigerator myself?
A knowledgeable DIYer can perform initial diagnostics by inspecting the PTD drawer sensor connector for looseness or corrosion and reseating it firmly, which may resolve the fault if a disconnected connector is the cause. Testing the thermistor and wiring with a multimeter requires basic electrical knowledge but is straightforward. Replacing the thermistor itself is generally accessible once the drawer is removed. However, if the control board is suspect, that repair is best handled by a qualified technician.
How much does it cost to repair error code 21 on an Electrolux refrigerator?
If the repair only requires reseating a connector, there may be no parts cost, though a service call fee will still apply. Replacing the PTD drawer NTC thermistor itself is generally an affordable repair, with parts typically ranging from around $15 to $50 depending on the model. If the wiring harness needs repair or replacement, costs can range from $50 to $150 or more for parts and labor. A control board replacement is the most expensive scenario, potentially running $200 to $500 or higher including labor.

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