Dacor Refrigerator E1 Error: Fridge sensor failure
This dacor refrigerator error code e1 guide explains what this fault means for your Dacor appliance and how to respond safely. What Error Code E1 Means Error code E1 on Dacor French Door (DRF36, DRF42) and built-in column refrigerators (DRZ36, DRZ30) signals a refrigerator compartment temperature sensor failure. The main control board is receiving an […]
20%
DIY Fixable
From $250
Typical Repair Cost
60-120 min
Pro Repair Time
Quick Assessment
Answer to continue safely
Is it safe to keep using?
No. An active E1 fault means temperature regulation is unreliable. Perishables may spoil. Move food to a temporary cooler until the fault is resolved.
Can I reset the code?
No. A power-cycle may clear a transient E1, but the code will return if the underlying sensor or wiring fault is not corrected.
When to stop immediately?
Stop if you notice: Stop troubleshooting and call a technician if the code returns within minutes of a power-cycle., Stop if you find burned or melted wiring near the thermistor or control board..
Symptoms You May Notice
Temperature fluctuation
Refrigerator compartment temperatures swing several degrees above or below the set point, causing food to be too warm or freeze unexpectedly.
E1 code on display
The control panel shows E1 continuously or intermittently, often accompanied by an audible alert tone.
Compressor runs continuously
Without valid sensor feedback the control board may command the compressor to run non-stop, increasing energy consumption and wear.
Fan operates erratically
The evaporator fan may cycle on and off at irregular intervals as the board attempts to compensate for missing temperature data.
Possible Causes
Failed thermistor
The NTC thermistor in the refrigerator compartment has drifted out of specification or broken internally, sending an invalid resistance signal.
DIY PossibleWiring harness damage
Connector pins at the thermistor or main control board are corroded, loose, or broken, interrupting the signal circuit.
DIY PossibleMain control board fault
The PCB sensor input circuit has failed and is misreading a functional thermistor. Board replacement is required.
Requires ProfessionalSafe Checks You Can Do
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1
Power-cycle the unit
Unplug the refrigerator for 60 seconds, then restore power. If E1 clears and does not return within 30 minutes, the fault was transient.
Note whether the code returns immediately or after the compressor cycles once.
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2
Inspect the sensor connector
Remove the interior back panel (two screws) to access the thermistor plug. Unplug and re-seat the connector firmly. Look for bent pins or corrosion.
A small flashlight and phone camera help inspect the connector closely.
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3
Test thermistor resistance
With a multimeter set to 20kΩ, measure across the thermistor leads. At 32°F (0°C) expect ~16.3kΩ; at 77°F (25°C) expect ~10kΩ. A reading of 0Ω or OL indicates a failed sensor.
Compare readings to the service chart in your model's service manual (available on ManualsLib).
Tools required
When to Call a Professional
Contact a qualified technician if:
- Thermistor resistance is within spec but E1 persists — board replacement needed.
- Wiring harness shows heat damage or rodent interference requiring splice repair.
- Unit is under Dacor's limited warranty; DIY repair may void coverage.
Need Professional Help?
Find qualified technicians in your area for proper diagnostics and repair.
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