Kenmore Refrigerator Error Codes: Full Diagnosis Guide

Common Symptoms

• Error code displayed on the control panel or inside the fresh-food compartment
• Refrigerator or freezer not cooling to set temperature
• Refrigerator beeping or alarming
• Ice maker stopped producing ice
• Frost buildup on the freezer rear wall
• SY EF, Er FF, or H1 blinking on the display

Most Likely Causes

1. 1

   E0 / E1 / E2 — Thermistor Faults (Whirlpool-based 106.xxx)

   On Kenmore models built by Whirlpool (106.xxx prefix, e.g. 106.73025601), E0 indicates a fresh-food thermistor fault, E1 indicates a freezer thermistor fault, and E2 indicates an ambient (outside-air) thermistor fault. Thermistors are NTC resistors whose resistance falls as temperature rises — a healthy fresh-food thermistor reads approximately 16.6kΩ at 32°F and 10kΩ at 50°F. Disconnect the thermistor connector and test resistance with a multimeter. An open circuit (OL), shorted circuit (0Ω), or grossly out-of-spec reading confirms failure. Thermistors are inexpensive ($15–$30) and straightforward to replace — the main challenge is accessing the sensor behind the liner.

2. 2

   SY EF — Evaporator Fan Fault (Whirlpool-based 106.xxx)

   SY EF on Whirlpool-platform Kenmore refrigerators means the control board has detected the evaporator fan is not running or not running at the correct speed. The evaporator fan circulates cold air from the freezer evaporator coils into both compartments — when it stops, the fresh-food section warms while the freezer may remain cold initially. Common causes: fan motor failure, ice buildup locking the fan blade (defrost system has failed), or a wiring harness issue between the fan and the control board. First check if the freezer is frost-packed (blocked fan due to defrost failure), then test the fan motor's winding resistance (~100–300Ω on most models) if the blade spins freely.

3. 3

   Er FF — Freezer Fan Fault (LG-based 795.xxx)

   Er FF on LG-built Kenmore refrigerators (795.xxx prefix, e.g. 795.51833.410) means the freezer evaporator fan motor is not operating. This is one of the most common faults on LG-platform Kenmore French door refrigerators. The fan is located behind the rear panel in the freezer compartment. Ice accumulation around the fan shaft or a failed fan motor are the two primary causes. If the freezer is heavily frosted, run a manual defrost first (unplug for 24–48 hours with towels down) before replacing the fan. If the fan blade spins freely by hand but the motor won't run when powered, the motor has failed. Part: EAU61524007 or equivalent.

4. 4

   Er rF — Refrigerator Fan Fault (LG-based 795.xxx)

   Er rF means the fresh-food compartment fan is not operating on LG-platform Kenmore models. This fan draws air from the evaporator into the fresh-food section. Failure causes the refrigerator to warm while the freezer stays cold — a classic symptom pattern. Test the fan motor by removing the rear interior panel in the fresh-food section and verifying the fan blade spins freely and the motor receives power. Fan motor resistance spec: approximately 50–200Ω depending on model.

5. 5

   Er dH — Defrost Heater Fault (LG-based 795.xxx)

   Er dH on LG-platform Kenmore refrigerators indicates the defrost heater is not operating or the defrost cycle is not completing within the expected time window. The defrost heater melts frost from the evaporator coils on a timed schedule (usually every 8–12 hours of compressor run time). Failure causes progressive frost accumulation until the evaporator is fully blocked. Check the defrost heater resistance (typically 20–80Ω when cold), the defrost thermostat (should show continuity when cold, open when hot), and the defrost sensor. Part numbers vary by model — search your full model number.

6. 6

   Er IF — Ice Maker Fan Fault (LG-based 795.xxx)

   Er IF means the ice maker compartment fan is not running on applicable LG-platform Kenmore models. Some LG-based Kenmore French door models have a dedicated fan for the ice maker in the upper fresh-food section. When this fan fails, the ice maker may still produce ice but at reduced capacity, or the ice maker section may warm and cause soft or partially formed cubes. Check the fan for ice blockage and verify motor operation.

7. 7

   SY CE — Communications Error (Frigidaire-based 253.xxx)

   SY CE on Kenmore models built by Frigidaire (253.xxx prefix, e.g. 253.44323400) indicates a serial communication failure between the main control board and a secondary board (dispenser board, temperature control board, or user interface). Causes include a failed control board, a failed secondary board, or a damaged wiring harness between the two. Begin with a power reset (unplug 5 minutes). If SY CE persists, inspect the wiring harness connectors — the most common physical cause is a loose or corroded connector at one of the board plugs.

8. 8

   H1 — High Temperature Alarm (Frigidaire-based 253.xxx)

   H1 on Frigidaire-based Kenmore refrigerators means the compartment temperature has risen above the safe threshold. This is a consequence code — the root cause is usually a failed fan, condenser coil blockage, refrigerant leak, or compressor failure. The H1 alarm should trigger you to check food safety first (discard anything that has been above 40°F for more than 2 hours), then diagnose the root cause. Start by checking condenser coil cleanliness (rear or bottom), condenser fan operation, and evaporator fan operation before suspecting the sealed system.

Quick DIY Checks

1. 1Identify your Kenmore refrigerator manufacturer by the model number prefix. Pull the model number label from inside the fresh-food compartment (left wall, near the top) or behind the lower crisper drawer. Model 106.xxxxx = Whirlpool-built (E0/E1/E2/SY EF codes). Model 795.xxxxx = LG-built (Er FF/Er rF/Er dH/Er IF codes). Model 253.xxxxx = Frigidaire-built (SY CE/H1 codes). This determines which diagnostic path applies.
2. 2Do a power reset before any further diagnosis: unplug the refrigerator for 5 full minutes, then restore power. Many transient communication errors (SY CE, Er codes from power surges) clear with a full power cycle. If the same code returns within a few hours of normal operation, proceed with targeted diagnosis.
3. 3For E0/E1/E2 (Whirlpool 106.xxx): set your multimeter to resistance (Ω). Disconnect the thermistor connector (the suspect sensor — fresh-food for E0, freezer for E1) and measure resistance across the two terminals. At room temperature (~70°F), a healthy thermistor reads approximately 7–11kΩ. An open circuit (OL) or a reading near 0Ω confirms a failed thermistor. Part cost: $15–$30.

1. 4For SY EF (Whirlpool 106.xxx): open the freezer and listen for fan noise when the compressor is running — the evaporator fan should run at the same time as the compressor. If the fan is silent, remove the freezer rear panel (typically 4–6 Phillips screws) and check the fan blade. If the blade is locked in ice, defrost the freezer manually before replacing the fan. If the blade spins freely but the motor doesn't run, test motor winding resistance (100–300Ω) and replace if open.
2. 5For Er FF/Er rF (LG 795.xxx): remove the freezer rear panel to access the evaporator fan. Check for frost accumulation around the fan shaft — if the freezer is heavily frosted, unplug the refrigerator for 24–48 hours with towels on the floor, then run the refrigerator again and monitor. If frost returns within a week without the Er dH code clearing, the defrost heater or thermostat has failed. If the fan blade is clear but the motor won't run, replace the evaporator fan motor.
3. 6For Er dH (LG 795.xxx): to manually initiate a defrost cycle on LG-based Kenmore models, press and hold the Refrigerator and Ice Plus buttons simultaneously for 3 seconds — the display will show 'FF' to confirm forced defrost mode. Monitor whether the defrost heater activates (you should hear a faint sizzle as frost melts after 5–10 minutes). If no heat is produced, disconnect the defrost heater and test resistance across its terminals (20–80Ω when cold; OL = failed heater).
4. 7For SY CE (Frigidaire 253.xxx): after a power reset fails to clear the code, open the freezer door and locate the wiring harness bundle at the top rear. Inspect each connector plug for moisture, corrosion, or a partially unseated pin. Press each connector firmly to reseat it, then restore power. If SY CE persists, the main control board or the secondary board it communicates with will need replacement — both are available as aftermarket parts.
5. 8For H1 (Frigidaire 253.xxx): pull the refrigerator away from the wall and inspect the condenser coils on the back (top-mount models) or underneath via the front grille (bottom-mount models). Dust and lint buildup is the single most common cause of refrigerator overheating. Vacuum the coils thoroughly with a brush attachment. Confirm the condenser fan (near the compressor) is spinning when the compressor runs. If coils are clean and the fan runs, the sealed system (refrigerant or compressor) may have failed — at that point, professional diagnosis is recommended.

Repair vs Replace

Recommended Tools & Parts

• Kenmore / Whirlpool Thermistor (Fresh-Food or Freezer)

  Replacement NTC thermistor for Kenmore refrigerators built by Whirlpool (106.xxx series). Fixes E0 (fresh-food) and E1 (freezer) thermistor error codes. Match to your full model number — fresh-food and freezer thermistors are different parts on most models.

  $15–$30

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• Kenmore / LG Evaporator Fan Motor (Er FF)

  Replacement freezer evaporator fan motor for Kenmore refrigerators built by LG (795.xxx series). Fixes Er FF fault code. Common part: EAU61524007 or equivalent. Verify compatibility with your exact model — LG-platform Kenmore French door models use several different fan motor specs.

  $25–$55

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• Kenmore / LG Defrost Heater Assembly

  Replacement defrost heater and thermostat kit for LG-based Kenmore refrigerators (795.xxx). Fixes Er dH defrost fault. Includes heater coil and defrost thermostat. Verify with your full model number — heater wattage and connector type vary by model year.

  $25–$65

  Buy on Amazon →

Links are Amazon affiliate links (tag: fixitfastai-20). Prices are estimates.

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