Samsung Refrigerator Error Codes

Causes:

• This 1C, 1E, or 1 error code occurs:
  • When the main board detects the freezer sensor being opened or shorted,
  • When the freezer sensor pickup temperature is over +122°F/+50°C or under -58°F/-50°C,
• Misplaced Wires
• Faulty freezer sensor
• Faulty main PCB

Solutions:

• Remove the freezer sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the freezer sensor if the reading is out of range.

• Remove the freezer sensor connector from the main PCB and check the main board’s voltage.
  • If 0 Vdc occurs, replace the main PCB.

Causes:

• This 2C or 2E error code occurs:
  • When the main board detects the fridge sensor being opened or shorted,
  • When the fridge sensor pickup temperature is over +122°F/+50°C or under -58°F/-50°C,
• Misplaced Wires
• Faulty fridge sensor
• Faulty main PCB

Solutions:

• Remove the fridge sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the fridge sensor if the reading is out of range.

• Remove the fridge sensor connector from the main PCB and check the main board’s voltage.
  • If 0 Vdc occurs, replace the main PCB.

Causes:

• This 4C or 4E error code occurs:
  • When the main board detects the freezer defrost sensor being opened or shorted,
  • When the freezer defrost sensor pickup temperature is over +122°F/+50°C or under -58°F/-50°C,
• Faulty freezer defrost sensor
• Faulty main PCB

Solutions:

• Remove the freezer defrost sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the freezer defrost sensor if the reading is out of range.

• Remove the freezer sensor connector from the main PCB and check the main board’s voltage.
  • If 0Vdc occurs, replace the main PCB.

Causes:

• This 5C or 5E error code occurs:
  • When the main board detects the fridge defrost sensor being opened or Shorted,
  • When the fridge defrost sensor pickup temperature is over +122°F/+50°C or under -58°F/-50°C,
• Defective fridge defrost sensor
• Defective main PCB

Solutions:

• Remove the fridge defrost sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the fridge defrost sensor if the reading is out of range.

Remove the fridge defrost sensor connector from the main PCB and check the main board’s voltage.

• If 0Vdc occurs, replace the main PCB.

Causes:

• This 6C or 6E error code occurs when systems detect that the ambient sensor is being opened or shorted.
• Damaged ambient Sensor
• Defective main PCB

Solutions:

• Remove the ambient sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the ambient sensor if the reading is out of range.

• Remove the ambient sensor connector from the main PCB and check the main board’s voltage.
  • If 0Vdc occurs, replace the main PCB.

Causes:

• This 7C, 7E, 9C, or 9E error code occurs:
  • When the main board detects the pantry sensor being open or shorted,
  • When the sensor pickup temperature is over +122°F/+50°C or under -58°F/-50°C,
• Damaged pantry sensor.
• Damaged main PCB.

Solutions:

• Remove the pantry sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the pantry sensor if the reading is out of range.

• Remove the pantry sensor connector from the main PCB and check the main board’s voltage.
  • If 0Vdc occurs, replace the main PCB.

Causes:

• This 8C or 8E error code occurs:
  • When the main board detects the ice maker sensor being open or Shorted,
  • When the sensor pickup temperature is over +122°F/+50°C or under -58°F/-50°C,
• Defective ice maker sensor.
• Defective main PCB.

Solutions:

• Remove the ice maker sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the ice maker sensor if the reading is out of range.

• Remove the ice maker sensor connector from the main PCB and check the main board’s voltage.
  • If 0Vdc occurs, replace the main PCB.

Causes:

• This 11C or 11E error code occurs:
  • When the main board detects the flex room defrost sensor being open or shorted,
  • When the sensor pickup temperature is over +122°F/+50°C or under -58°F/-50°C,
• Faulty Flex Room Defrost Sensor
• Faulty main PCB

Solutions:

• Look for any ice buildup in the CV compartment.
• Check Flex Room DEF-Heater Resistance at the Main PCB measuring resistance value:
  • 0Ω: Short trouble.
  • ∞Ω: Open (bimetal, heater).

• Remove the flex room defrost sensor connector from the main PCB and check the sensor resistance. Reconnect the sensor for the voltage test. Refer to the sensor temperature chart.
  • Replace the flex room defrost sensor if the reading is out of range.

• Remove the flex room defrost sensor connector from the main PCB and check the main board’s voltage.
  • If 0Vdc occurs, replace the main PCB.

Causes:

• This 13C or 13E error code occurs:
  • When the main board detects the humidity sensor being open or shorted,
  • When the sensor pickup temperature is over +50 °C or under -50 °C,
• Broken humidity sensor.
• Defective main PCB.

Solutions:

• Check if the humidity sensor is normal and check the wire and housing connections.
• Checking humidity sensor resistance: comparison with the value of the temperature table after measurement
• Measuring point of resistance value according to sensor
  • 0Ω: Short trouble.
  • ∞Ω: Open trouble.

• Remove the humidity sensor connector from the main PCB and check the main board’s voltage.
  • If 0Vdc occurs, replace the main PCB.

Causes:

• This 16C or 16E error code occurs:
  • When the main board detects the fridge humidity sensor being opened or shorted,
  • When the sensor pickup temperature is over +50 °C or under -50 °C,
• Faulty fridge humidity sensor
• Defective main PCB.

Solutions:

• Check if the fridge humidity sensor is normal,and check the wire and housing connections. Replace the PBA if necessary.
• Checking fridge humidity sensor resistance: comparison with the value of the temperature table after measurement (same method applied to other sensors)
• Measuring point of resistance value according to sensor
  • 0Ω: Short trouble.
  • ∞Ω: Open trouble.

• Remove the fridge humidity sensor connector from the main PCB and check the main board’s voltage.
  • If 0Vdc occurs, replace the main PCB.

Causes:

• Excessive moisture accumulation can lead to the corrosion of the socket connector pins within the freezer fan of the freezer compartment, subsequently resulting in poor electrical contact between the main board and the freezer fan.
• Faulty freezer fan
• Faulty main PCB

Solutions:

• Check the fan wire harness.
• Check the door switch.
• Check the voltage of the freezer fan motor at the main PCB connector.
  • If 0 Vdc occurs, replace the main PCB.
• Check the fan feedback voltage at the main PCB.
  • When 0 Vdc occurs, verify if the fan motor is blocked with any ice buildup; if the error still occurs, replace the freezer fan motor.

Causes:

• Excessive moisture accumulation can lead to corrosion on the socket connector pins within the fridge fan of the fridge compartment, resulting in an inadequate connection between the main board and the fridge fan.
• Faulty fridge room fan
• Faulty main PCB

Solutions:

• Check the wire harness connector between the fan and main PCB.
• Check the door switch.
• Check the voltage of the fridge room fan motor at the main PCB connector.
  • If 0 Vdc occurs, replace the main PCB.
• Check the fan feedback voltage at the main PCB.
  • When 0 Vdc occurs, verify for some form of blockage at the fan and remove the blockage. If the error still occurs, replace the fridge room fan motor.

Causes:

• Broken wire harness of the condenser fan.
• Faulty condenser fan.
• Faulty main PCB

Solutions:

• Check the wire harness connector between the condenser fan and main PCB.
• Check the voltage of the condenser fan motor at the main PCB connector.
  • If 0 Vdc occurs, replace the main PCB.
• Check the fan feedback voltage at the main PCB.
  • When 0 Vdc occurs, verify for some form of blockage at the fan; if the error still occurs, replace the condenser fan motor.

Causes:

• Damaged wire harness.
• Freezer defrost heater Circuit Open or Shorted
• Faulty main PCB

Solutions:

• Check for 120-volt AC from the connector.
  • If voltage is present, initiate a forced defrost (FD). The voltage should drop to 0 Vac
  • If voltage drops to 0 Vac, the defrost circuit operates normally when forced
  • If defrost system has not worked (frost on evaporator), replace Main PCB
  • If 120 VAC is not present, check the defrost circuit. Remove Power.
• At the main PCB, check the resistance from the connector to the short prong on the line cord. You are checking the heater, bimetal, and thermo-fuse; the normal reading is:

• If resistance is higher than normal or the circuit is open, remove the freezer evaporator cover and check the heater and bimetal.
• The defrost heater should read ~61Ω, and the bimetal and thermo-fuse should read closed.
• Replace the defective component based on your readings.
• Replace the main PCB.

Causes:

• Faulty wire harness.
• Faulty thermal-fuse.
• Faulty bimetal.
• Faulty defrost heater
• Faulty main PCB

Solutions:

• Check the heater.
  • Normal reading is ~120Ω.
• Check the bimetal.
  • It should read closed.
• Check the thermal fuse.
  • It should read closed.
• Replace the defective component based on your readings.
• Check the main PCB and replace it if necessary.

Causes:

• This code error occurs when systems detect faulty Ice Maker functions more than three times.
• Ice maker assembly

Solutions:

• Check the door switch.
• Check the ice maker assembly for any buildup or obstruction.
• Press the ice maker test button to cycle the ice maker and test its functionality.
  • Replace the ice maker if necessary.
• After pressing the Ice Maker Test Switch button, if the ice maker does not start turning, check 12VDC on the IM motor clock-wise.
  • If no voltage is detected, check the wire harness and main PCB.

Causes:

• Faulty Defrost Function
• Faulty Flex Zone Defrost Heater
• Misplaced Wire/Bimetal Defrost Thermostat
• Defective main PCB.

Solutions:

• Run the unit into the Forced Defrost Function (Fd).
• Check the heater voltage in the case. The connector AC should be within 120 VAC.
  • If there is no voltage, replace the main PCB.
• Disconnect wire harness Red connector to check the heater, and the resistance should be between 63Ω and 230 ohm.
• Measure the Freezer Wire/Bimetal Defrost Thermostat Continuity
• Measure the heater terminal continuity.
  • If open or shorted, replace the complete heater.
• Check the F-Def Heater Fuse PCB Box for continuity; if open, replace the fuse board.

Causes:

• Excessive moisture accumulation can lead to corrosion of the socket connector pins within the CV-fan of the Flex zone compartment, resulting in a disrupted connection between the main board and the Flex zone fan.
• Faulty door switch
• This error code occurs when the system loses a feedback signal from the CV-Zone Evaporator Fan Motor.
• Faulty Flex Zone Fan Motor
• Faulty main PCB

Solutions:

• Measure the resistance of the fan motor. If it is open or shorted, replace the fan motor.
• Check the door switch.
• Check the voltage of the fan motor at the Hinge white connector on top of the refrigerator; it should be within 12 volts.
  • If 0 Vdc occurs, replace the main PCB.
• Check fan motor feedback at 2.5 volts.
  • If 0 Vdc occurs, make sure the fan blades can turn freely from ice buildup or any obstruction; replace them if necessary.

Causes:

• The system displays an error when an open connection is detected from the heater. Separation of the ice pipe heater housing part, contact error, disconnection, short circuit
• Faulty harness connector.
• Faulty Ice Maker Heater
• Faulty main PCB

Solutions:

• Disconnect the case connector and check the resistance at the wire. It should be 135 Ω.
  • if 0Ω Heater Short
  • if ∞/OL Ohm Check the wire.

Causes:

• The system displays an error when an open connection is detected from the heater. Separation of the ice pipe heater housing part, contact error, disconnection, short circuit
• Faulty harness connector.
• Faulty Display Control Panel
• Faulty main PCB

Solutions:

• Check the display conditions.
• Replace the main PCB.

Causes:

• Loose communication between the main PCB and the inverter PCB
• Errors may be caused by defective inverter boards, connection wires, or defective main PCBs.

Solutions:

• Check for any disconnected or shorted wires between the main PCB and the inverter PCB.
• Check the inverter PCB’s fuse continuity.
• Replace the main PCB or the inverter PCB.
• After replacing Inverter PCB Wait 5 minutes for the compressor to restart.

Causes:

• Internal main PCB communication error.

Solutions:

• Replace the main PCB.

Causes:

• Faulty WiFi Module
• Main PCB.

Solutions:

• Check for any disconnected or shorted wires between the main PCB and the WiFi PCB.
• If there is no 12VDC at the WIFI module, replace the main PCB.
• Replace the WIFI module.

Causes:

• Faulty Pantry Fan Motor
• Faulty main PCB

Solutions:

• Check the wire harness connector between the fan and main PCB.
• Check the voltage of the condenser fan motor at the main PCB connector.
  • If 0 Vdc occurs, replace the main PCB.
• Check the fan feedback voltage at the main PCB.
  • When 0 Vdc occurs, verify for some form of blockage at the fan and remove the blockage or replace the pantry fan motor.

Causes:

• The freezer temperature rises abnormally when the freezer door remains open for a while.
• Dirty condenser coils.
• Faulty 3-way valve.

Solutions:

• When its door remains open for an extended time or at a high temperature, food is stored.
• Close the door or take out the hot food. Then, after a while, the error will disappear.
• Check the freezer sensor resistance and compare it with the sensor temperature chart.
• Clean the condenser coils.
• sealed system repair “Freon leak, restricted capillary tube, 3-way valve…”

Causes:

• The fridge temperature rises abnormally when the refrigerator door remains open for a while.
• Dirty condenser coils.
• Faulty 3-way valve.

Solutions:

• When its door remains open for an extended period of time or high-temperature food is stored, close the door or take out the hot food. Then, after a while, the error will disappear.
• Check if the door is closing properly.
• Check the fridge sensor and compare it with the temperature chart.
• Clean the condenser coils.
• sealed system repair “Freon leak, restricted capillary tube, 3-way valve…”

Causes:

• The Flex Zone temperature rises abnormally when the fridge door remains open for a while.
• Dirty condenser coils.
• Faulty 3-way valve.

Solutions:

• When its door remains open for an extended period of time or high-temperature food is stored, close the door or take out the hot food. Then, after a while, the error will disappear.
• Clean the condenser coils.
• sealed system repair “Freon leak, restricted capillary tube, 3-way valve…”

Causes:

• Faulty harness connector.
• Faulty autofill infuser sensor

Solutions:

• The error code is displayed when the overflow sensor detects water: separation of the auto-fill infuser system’s overflow sensor housing part, contact error disconnection, short circuit.
• Check the voltage at the main PCB:
  • If 0Vdc ~ 4.5Vdc: Water overflow
  • If ~ 5Vdc: No problem.

Causes:

• Faulty French assy.
• Camera hardware failure.

Solutions:

• Check the wire harness connector.
• Check for 5 Vdc at the French Assy connector.
• Check out French Assy.
• Unstable USB terminal due to power noise.

Causes:

• Faulty harness connector.
• Faulty showcase heater

Solutions:

• Check the harness connector.
• Check the resistance of the showcase heater.

Causes:

• Faulty harness connector.
• Faulty inverter PCB
• Faulty compressor.

Solutions:

• Try resetting the unit by removing power and then powering on after 10 minutes.
• Check if there is a short between the compressor terminals.
• Check if there is a shortage between the IPM legs.
• Check the soldering status of the inverter PCB. (Check if any parts have short-circuited.)
• Check the compressor and the cycle.
  • If the failure condition is detected while the compressor is operating, stop the compressor immediately and wait for 5 minutes. During these 5 minutes, the RPM command signal is not available. Even if the RPM command that orders the compressor to run is sent, the compressor does not work and keeps standing by.
• Check the inverter board and replace it if necessary.
• Check the compressor and replace it if necessary.

Causes:

• When the compressor IPM failure is detected,
• Faulty inverter board.
• Faulty compressor.

Solutions:

• Short between the compressor U/V and the W inverter PCB.
• Short between IPM pins.
• Check the compressor and cycle.
  • After replacing or resetting the inverter PCB, give it 5 minutes for the compressor to restart.
• Check the inverter board and replace it if necessary.
• Check the compressor and replace it if necessary.

Causes:

• When the abnormal current is picked up at the compressor,
• Faulty inverter board.
• Faulty compressor.

Solutions:

• Disconnect the inverter PCB connector and check the resistance between the wire’s U/V and W. It should be approx. 12Ω
• Check that the AC voltage is between 96 VAC and 140 VAC.
• Check the compressor and cycle.
  • After replacing or resetting the inverter PCB, give it 5 minutes for the compressor to restart.
• Check the inverter board and replace it if necessary.
• Check the compressor and replace it if necessary.

Causes:

• When the compressor is restricted for more than 5 seconds.
• When the compressor runs at less than 1000 rpm for over 5 seconds
• Faulty inverter board.
• Faulty compressor.

Solutions:

• Check the inverter PCB connector.
• Check the compressor and cycle.
  • After replacing or resetting the inverter PCB, give it 5 minutes for the compressor to restart.
• Check the inverter board and replace it if necessary.
• Check the compressor and replace it if necessary.

Causes:

• When low voltage is detected at the compressor.
• Faulty inverter board.
• Faulty compressor.

Solutions:

• Check the inverter connector.
• Check the compressor and cycle.
  • After replacing or resetting the inverter PCB, give it 5 minutes for the compressor to restart.
• Check the inverter board and replace it if necessary.
• Check the compressor and replace it if necessary.

Causes:

• When high voltage is detected at the compressor.
• Faulty inverter board.
• Faulty compressor.

Solutions:

• Check power to the compressor Higher than 150 VAC at connectors U, V, and W.
• Check the compressor and cycle.
  • After replacing or resetting the inverter PCB, give it 5 minutes for the compressor to restart.
• Check the inverter board and replace it if necessary.
• Check the compressor and replace it if necessary.

Causes:

• When the compressor IPM failure is detected,

Solutions:

• Check the IPM temperature status of the inverter PCB.
• Check the heat-sink assembly status of the IPM
• Check the soldering status of the inverter PCB. (Check if any parts have short-circuited.)
• Disconnect the inverter PCB connector and check the resistance between the wire’s U, V, and W. It should be approximately 12Ω.
• Check that the AC voltage is between 96 VAC and 140 VAC.
• Check the inverter board and replace it if necessary.
• Check the compressor and replace it if necessary.

Causes:

• Faulty Ice Bites Maker Assembly

Solutions:

• Check the wiring.
• Check the Ice Maker conditions.
• Press the Ice Maker test switch.
• Replace the ice maker assembly.
• Check and replace the main board if the error still occurs.

Causes:

• The system displays an error when an open connection is detected from the heater. Separation of the ice water pipe heater housing part, short circuit
• Faulty ice pipe heater

Solutions:

• Check if the ice pipe is clogged or has ice buildup.
• Check the dc voltage to the water pipe heater at Main PCB CN90; it should be 7v~12vdc.
• Check the ice pipe heater at the main PCB; it should be about 62Ω.
• Press the Ice Maker test switch to check the ice maker function.