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Error Code

Kenmore Refrigerator rD Lo/Hi Error Code

Plain-language guidance for Kenmore code rD Lo/Hi on Refrigerator — symptoms, safe checks, and when to call a technician.

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At a glance

Error code overview

A plain-language snapshot of rD Lo/Hi for Kenmore Refrigerator — confirm the model series before you act.

Lena Hart Written by Lena Hart Appliance Repair Content Specialist Published October 20, 2026

Content status Verified

Error code rD Lo/Hi
Appliance Refrigerator
Quick answer

rD Lo or rD Hi marks a refrigerator defrost sensor failure on Kenmore Trio bottom-freezer refrigerators starting 111.

Model compatibility

Kenmore reuses codes across series and model years, so rD Lo/Hi may mean something different on another appliance or generation. Confirm this against your model’s documentation and record your full model number before acting.

Plain language

What this code means

The refrigerator defrost sensor failed with a low or high reading.

rD Lo and rD Hi are refrigerator defrost sensor failure codes on Kenmore bottom-freezer Trio refrigerators with model numbers starting 111. The code clears after the failure has been repaired.

What the manual tells you

  1. Unplug the refrigerator.
  2. Examine the wiring from the refrigerator defrost sensor to the control board for damage.
  3. Repair broken wires.

What a technician checks

A multimeter reading is taken through the defrost sensor circuit from the control board. The manual replaces the sensor when that resistance is not between 8,000 and 40,000 ohms.

Related Kenmore refrigerator codes

  • r3: a defrost heater failure, the other half of the defrost system.
  • r1 Lo/Hi: a compartment sensor with the same Lo or Hi style.
  • rt Lo/Hi: the ambient sensor.

Kenmore refrigerator service in Los Angeles

Should rD come back, we can test the defrost sensor circuit at your Los Angeles home. When you book at Kenmore refrigerator service or on (310) 554-8899, have the display reading and model number nearby.

Source: Sears PartsDirect – Kenmore 111 model bottom-freezer refrigerator error codes

Caution

Safety warning

Important safety warning

Do not attempt repairs involving electrical components, gas, water lines, refrigerant or sealed systems. Unplug the appliance if it is safe to reach the outlet, and leave internal diagnostics to a qualified technician.

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