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Error code reference
Electrolux Refrigerator Error Code 2nd LED blinking
Fault in the defrost sensor (sensor disconnected or short-circuited). The 2nd LED (MED temp indicator) blinks on/off at 0.5 second intervals.
SourceElectrolux DFF37/40/44 Refrigerator - Full Service Manualp. 13
Diagnostic procedure
The full 2nd LED blinking procedure
Step 1 is visible so you can confirm you are on the right page. The remaining steps, the ones that tell you whether to actually replace a part, unlock with any pass.
MyPros+ · DiagnosticsStep 1 preview
1
First diagnostic step
Check defrost sensor wiring and connector; measure sensor resistance per conversion table.
SourceElectrolux DFF37/40/44 Refrigerator - Full Service Manualp. 13
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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