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Error code reference

Haier Refrigerator Error Code 3rd LED Freezer flash

Ice maker sensor (ICE SNR) error

Haier codesHaier refrigerator codes

Ice maker sensor (ICE SNR) error – sensor located below ice maker has failed or is out of range.

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  • Step-by-step tests with expected resistance, voltage, and continuity values
  • Wiring diagram references and connector pinouts from the OEM service manual
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What 3rd LED Freezer flash means on a Haier refrigerator

The 3rd LED Freezer flash on a Haier refrigerator signals an Ice Maker Sensor (ICE SNR) error. This sensor is positioned below the ice maker assembly and monitors temperature conditions in the ice-making zone. When the control board detects that the sensor's output is outside the expected range, either reading an open circuit, a short circuit, or a temperature value that falls beyond normal operating parameters, it triggers this fault code to alert the technician that the ice maker temperature sensing circuit has failed.

The ICE SNR is typically a negative temperature coefficient (NTC) thermistor, meaning its electrical resistance decreases as temperature rises. A properly functioning sensor will present a predictable resistance value that corresponds to the ambient ice maker compartment temperature. If the sensor's resistance reads excessively high (open circuit) or near zero (short circuit), the control board interprets this as a sensor fault and disables or flags the ice maker circuit. Damaged wiring, corroded connector pins, or a thermistor element that has drifted out of calibration are the most common physical causes.

Beyond the sensor itself, the wiring harness that runs between the ice maker assembly and the main control board is a frequent failure point, particularly in environments where frost buildup and repeated defrost cycles stress the insulation and connectors over time. In some cases, the main control board's sensor input circuit may also be at fault, though this is less common. Resolving this error requires isolating whether the fault lies in the sensor, the wiring, or the board.

Source: manufacturer service documentation.

Common causes of 3rd LED Freezer flash

  1. 01

    Failed ICE SNR thermistor

    Part replacement

    The thermistor element itself has failed, presenting an open or shorted circuit to the control board. Testing the sensor's resistance with a multimeter and comparing it to expected values for the compartment temperature will confirm this.

  2. 02

    Damaged or corroded wiring harness

    Wiring / connection

    The wiring that connects the ice maker sensor to the control board can develop breaks, pinches, or corroded terminals, especially after repeated freeze and defrost cycles. Inspect the harness visually and check for continuity along each wire.

  3. 03

    Loose or disconnected connector

    Wiring / connection

    Vibration or ice buildup can cause the sensor connector to partially or fully disengage from the board or sensor terminals. Reseating the connector firmly may resolve the fault if no other damage is present.

  4. 04

    Frost or ice accumulation around the sensor

    Wiring / connection

    Excessive ice buildup in the ice maker area can physically encapsulate the sensor or its connector, causing erratic resistance readings. Performing a manual defrost and allowing the area to fully thaw before retesting can rule this out.

  5. 05

    Faulty main control board sensor input

    Part replacement

    If the sensor and wiring both test correctly, the control board's input circuit for the ICE SNR may have failed. This is the least common cause and typically requires board replacement after all other components have been ruled out.

See the test procedure for each cause

Frequently asked questions about 3rd LED Freezer flash

What does 3rd LED Freezer flash mean on a Haier refrigerator?
The 3rd LED Freezer flash indicates an Ice Maker Sensor (ICE SNR) error. The sensor located below the ice maker has either failed or is producing a reading outside the acceptable range. The control board uses this sensor to monitor temperatures in the ice-making zone, and this fault will typically disable or interrupt ice maker operation until the issue is resolved.
How do I fix the 3rd LED Freezer flash error on my Haier refrigerator?
Start by inspecting the wiring harness and connectors between the ice maker sensor and the control board for damage, corrosion, or loose connections. If the connections look intact, use a multimeter to measure the resistance of the ICE SNR thermistor and verify it falls within range for the current compartment temperature. If the sensor reads open or shorted, replace the thermistor. If the sensor and wiring are both good, the main control board may need to be evaluated.
Is it safe to keep using my refrigerator when the 3rd LED Freezer flash error is active?
The refrigerator's main cooling and freezing functions will generally continue to operate even when this error is active, since it specifically relates to the ice maker sensor circuit. However, the ice maker itself may be disabled or behave erratically. You can continue using the refrigerator for food storage, but avoid relying on the ice maker until the sensor issue is repaired.
Will resetting the refrigerator clear the 3rd LED Freezer flash error?
A power reset may temporarily clear the error code from the display, but the fault will return if the underlying sensor or wiring problem has not been fixed. Because the control board continuously monitors the ICE SNR circuit, it will re-detect the fault and re-trigger the error at the next diagnostic cycle. A permanent resolution requires repairing or replacing the faulty component.
How much does it cost to repair the 3rd LED Freezer flash error on a Haier refrigerator?
If only the ice maker thermistor needs replacement, parts costs are typically in the range of $10 to $40, and a technician's labor for the repair may add $75 to $150 depending on your location. If the issue stems from wiring harness damage, costs are similar or slightly higher depending on harness availability. A main control board replacement, if needed, is the most expensive scenario, with parts ranging from $80 to $200 or more plus labor.

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