Samsung RF32FM model 4-door refrigerator error codes

Unplug the refrigerator and check the wire harness connection on the refrigerator compartment temperature sensor. Reconnect the wire harness if it's loose. If the wire harness connection is okay, check sensor resistance using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature), 13,290 ohms at 32 degrees and 11,700 ohms at 37 degrees. Replace the temperature sensor if resistance is off by more than 10 percent. If sensor resistance is okay, reinstall the temperature sensor and check the sensor's wire harness connections to the electronic control board (CN30 connector pins 1 and 5-white and orange wires). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the sensor wires.

Unplug the refrigerator and check the wire harness connection on the freezer evaporator defrost temperature sensor. Reconnect the wire harness if it's loose. If the wire harness connection is okay, check sensor resistance using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature), 13,290 ohms at 32 degrees and 29,000 ohms at 0 degrees. Replace the temperature sensor if resistance is off by more than 10 percent. If sensor resistance is okay, reinstall the temperature sensor and check the sensor's wire harness connections to the electronic control board (CN30 connector pins 1 and 4-white and brown wires). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the sensor wires.

Unplug the refrigerator and check the wire harness connection on the refrigerator evaporator defrost temperature sensor. Reconnect the sensor wire harness if it's loose. If the wire harness connection is okay, check sensor resistance using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature) and 13,290 ohms at 32 degrees. Replace the temperature sensor if resistance is off by more than 10 percent. If sensor resistance is okay, reinstall the temperature sensor and check the sensor's wire harness connections to the electronic control board (CN30 connector pins 1 and 6-white and pink wires). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the sensor wires.

Unplug the refrigerator and check the wire harness connection on the ambient temperature sensor. Reconnect the wire harness if it's loose. If the wire harness connection is okay, check sensor resistance using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature). Replace the temperature sensor if resistance is off by more than 10 percent. If sensor resistance is okay, reinstall the temperature sensor and check the sensor's wire harness connections to the electronic control board (CN30 connector pins 1 and 2--white wires). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the sensor wires.

Unplug the refrigerator and check the wire harness connection on the Cool Select Room temperature sensor. Reconnect the wire harness if it's loose. If the wire harness connection is okay, check sensor resistance using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature), 13,290 ohms at 32 degrees and 29,000 ohms at 0 degrees. Replace the temperature sensor if resistance is off by more than 10 percent. If sensor resistance is okay, reinstall the temperature sensor and check the sensor's wire harness connections to the electronic control board (CN30 connector pins 11 and 12-gray and white/black wires). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the sensor wires.

Unplug the refrigerator and check the wire harness connection on the Cool Select Room defrost temperature sensor. Reconnect the wire harness if it's loose. If the wire harness connection is okay, check sensor resistance using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature), 13,290 ohms at 32 degrees and 29,000 ohms at 0 degrees. Replace the temperature sensor if resistance is off by more than 10 percent. If sensor resistance is okay, reinstall the temperature sensor and check the sensor's wire harness connections to the electronic control board (CN30 connector pins 11 and 13-gray and white/brown wires). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the sensor wires.

Unplug the refrigerator and check the external humidity sensor wire harness connection. Reconnect the wire harness if it's loose. If the external humidity sensor wire harness connection is okay, unplug the sensor and check resistance through the yellow and gray humidity sensor wires using a multimeter. The meter should measure around 50 ohms of resistance. If the meter measures infinite resistance or near 0 resistance through the yellow and gray humidity sensor wires, replace the humidity sensor. If humidity sensor resistance through the yellow and gray wires is around 50 ohms, plug the humidity sensor back into the wire harness and check resistance through the gray and purple external humidity sensor wires that connect to CN30 on the electronic control board. If the meter measures around 50 ohms through the gray and purple wires, then you'll likely need to replace the electronic control board because it isn't accurately detecting humidity sensor resistance. Find and repair the humidity sensor wiring failure if the meter measures incorrect resistance through the gray and purple external humidity sensor wires.

Unplug the refrigerator and check the ice maker wire harness connection. Reconnect the wire harness if it's loose. If the ice maker wire harness connection is okay, check the ice maker temperature sensor resistance (through the white wires that connect the sensor to the ice maker harness plug) using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature), 13,290 ohms at 32 degrees and 29,000 ohms at 0 degrees. Replace the ice maker if resistance is off by more than 10 percent (the temperature sensor comes with the ice maker and isn't available separately). If sensor resistance is okay, reinstall the ice maker and check the ice maker temperature sensor's wire harness connections to the electronic control board (brown and gray wires on CN90). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the ice maker temperature sensor wires.

Unplug the refrigerator and check the wire harness connection on the ice room temperature sensor. Reconnect the wire harness if it's loose. If the wire harness connection is okay, check sensor resistance using a multimeter. The meter should measure about 5,600 ohms if the sensor temperature is 72 degrees (room temperature), 13,290 ohms at 32 degrees and 29,000 ohms at 0 degrees. Replace the ice room temperature sensor if resistance is off by more than 10 percent. If sensor resistance is okay, reinstall the temperature sensor and check the sensor's wire harness connections to the electronic control board (sky blue and gray wires on CN30). Reconnect the wires if loose. If the wire connections are okay, disconnect the sensor wires from the electronic control board and measure resistance through the sensor's wires. The meter should read the same resistance as for the temperature sensor. If the meter measures correct sensor resistance through the wires, you'll likely need to replace the electronic control board because it's not accurately detecting sensor resistance. Find and repair the sensor wiring failure if the meter measures infinite resistance through the ice room temperature sensor wires.

Unplug the refrigerator and check the refrigerator humidity sensor wire harness connection. Reconnect the wire harness if it's loose. If the refrigerator humidity sensor wire harness connection is okay, unplug the sensor and check resistance through the yellow and gray humidity sensor wires using a multimeter. The meter should measure around 50 ohms of resistance. If the meter measures infinite resistance or near 0 resistance through the yellow and gray humidity sensor wires, replace the humidity sensor. If humidity sensor resistance through the yellow and gray wires is around 50 ohms, plug the sensor back into the wire harness and check resistance through the gray and blue refrigerator humidity sensor wires that connect to CN30 on the electronic control board. If the meter measures around 50 ohms through the gray and blue wires, then you'll likely need to replace the electronic control board because it isn't accurately detecting humidity sensor resistance. Find and repair the humidity sensor wiring failure if the meter measures incorrect resistance through the gray and blue refrigerator humidity sensor wires.

Unplug the refrigerator and check the wire harness connections on the freezer evaporator fan. Reconnect any loose wires. Check for evaporator frost and ice buildup that can block fan blade rotation. Defrost any ice buildup from the evaporator. Check the freezer evaporator fan wiring connections (gray, orange and purple wires) on the CN75 electronic control board connector. Reconnect any loose wires. If the wiring connections are okay, replace the freezer evaporator fan.

Unplug the refrigerator and check the wire harness connections on the refrigerator evaporator fan. Reconnect any loose wires. Check for evaporator frost and ice buildup that can block fan blade rotation. Defrost any ice buildup from the evaporator. Check the refrigerator evaporator fan wiring connections (gray, brown and sky blue wires) on the CN75 electronic control board connector. Reconnect any loose wires. If the wiring connections are okay, replace the refrigerator evaporator fan.

Unplug the refrigerator and check the wire harness connections on the condenser fan. Reconnect any loose wires. Check for and remove an obstruction that could block the condenser fan blade from spinning. Check the condenser fan wiring connections (gray, black and white wires) on the CN75 electronic control board connector. Reconnect any loose wires. If the wiring connections are okay, replace the refrigerator evaporator fan.

Unplug the refrigerator and check the wiring connection of the freezer defrost heater assembly to the electronic control board (brown wire on CN70). Reconnect the wire if it's loose. If that wiring connection is okay, check resistance through the freezer defrost heater assembly using a multimeter. The meter should measure about 63 ohms through the defrost heater. Replace the freezer defrost heater assembly if the meter measures infinite resistance through the heater. The freezer defrost heater assembly includes the defrost thermal fuse, defrost bi-metal thermostat, defrost heater and defrost temperature sensor. Failure of one or more of those defrost components likely prevented the defrost heater from heating.

Unplug the refrigerator and check the wiring connection of the Cool Select Room defrost heater assembly to the electronic control board (white wire on CN70). Reconnect the wire if it's loose. If that wiring connection is okay, check resistance through the Cool Select Room defrost heater assembly using a multimeter. The meter should measure about 63 ohms through the defrost heater. Replace the Cool Select Room defrost heater assembly if the meter measures infinite resistance through the heater. The Cool Select Room defrost heater assembly includes the defrost thermal fuse, defrost bi-metal thermostat, defrost heater and defrost temperature sensor. Failure of one or more of those defrost components likely prevented the defrost heater from heating.

Unplug the refrigerator and check the wire harness connections on the Cool Select Room evaporator fan. Reconnect any loose wires. Check for evaporator frost and ice buildup that can block fan blade rotation. Defrost any ice buildup from the evaporator. Check the Cool Select Room evaporator fan wiring connections (gray, blue and white/brown wires) on the CN75 electronic control board connector. Reconnect any loose wires. If the wiring connections are okay, replace the Cool Select Room evaporator fan.

Unplug the refrigerator and check the ice maker wire harness connection. Reconnect the wire harness plug if it's loose. If the wire harness connection is okay, check the ice maker wire harness connections on the electronic control board (CN90 connector). Reconnect any loose wires. If the ice maker wiring connections to the electronic control board are okay, replace the ice maker.

Unplug the refrigerator and check the wire harness connections on the ice room fan. Reconnect any loose wires. Check the ice room fan wiring connections to the electronic control board (pink and blue wires on CN50 and gray wire on CN90). Reconnect any loose wires. If the wiring connections are okay, replace the ice room fan.

Unplug the refrigerator and check the wire harness connections between the control panel and the electronic control board. Reconnect any loose wires. If wiring connections are sound, you'll likely need to replace the electronic control board. If the problem continues, replace the control panel.

Unplug the refrigerator and check the wire harness connection on the ice dispenser duct heater. Reconnect the wire harness if loose. If the wire harness connection is okay, measure resistance through the ice dispenser duct heater using a multimeter. The meter should measure around 5,800 ohms of resistance through the heater. Replace the ice dispenser duct heater if the meter measures infinite resistance. If the meter measures near 5,800 ohms through the heater, check the ice dispenser duct heater wire harness connections to the electronic control board (brown wire on CN52 and red wire on CN79). Reconnect any loose wires. If the wire connections are okay, check resistance through the red and brown wires. If the meter measures around 5,800 ohms through the red and brown wires, then you'll likely need to replace the electronic control board because the board isn't detecting the ice dispenser duct heater resistance properly. If the meter measures infinite resistance through the brown and red wires, find and repair the wiring break in the ice dispenser duct heater wire harness.

Unplug the refrigerator and check the wire harness connection on the ice room heater. Reconnect the wire harness if loose. If the wire harness connection is okay, measure resistance through the ice room heater using a multimeter. The meter should measure around 72 ohms of resistance through the heater. Replace the ice room heater if the meter measures infinite resistance. If the meter measures near 72 ohms through the heater, check the ice room heater wire harness connections to the electronic control board (blue wire on CN52 and red wire on CN79). Reconnect any loose wires. If the wire connections are okay, check resistance through the red and blue wires. If the meter measures around 72 ohms through the red and blue wires, then you'll likely need to replace the electronic control board because the board isn't detecting the ice room heater resistance properly. If the meter measures infinite resistance through the blue and red wires, find and repair the wiring break in the ice room heater wire harness.

Unplug the refrigerator and check the wire harness connection on the door heater. Reconnect the wire harness if loose. If the wire harness connection is okay, measure resistance through the door heater using a multimeter. The meter should measure around 100 ohms of resistance through the heater. Replace the door heater if the meter measures infinite resistance. If the meter measures near 100 ohms through the heater, check the door heater wire harness connections to the electronic control board (black wire on pin 9 of CN51 and red wire on CN76). Reconnect any loose wires. If the wire connections are okay, check resistance through the red and black wires. If the meter measures around 100 ohms through the red and black wires, then you'll likely need to replace the electronic control board because the board isn't detecting the door heater resistance properly. If the meter measures infinite resistance through the black and red wires, find and repair the wiring break in the door heater wire harness.

Make sure the freezer door is fully shut. Check the freezer door gasket for damage and replace the gasket if damaged. Once the cause of high temperature is corrected, the code disappears after the control detects that freezer temperature is stabilized at the set temperature.

Make sure the refrigerator doors are fully shut. Check the refrigerator door gaskets for damage and replace any damaged gaskets. Once the cause of high temperature is corrected, the code disappears after the control detects that refrigerator temperature is stabilized at the set temperature.

Unplug the refrigerator and check the wire harness connections between the freezer inverter board and freezer compressor. Reconnect any loose wires and repair any damaged wires. If wiring connections are okay, call a service technician to diagnose and repair the freezer compressor failure. The technician will need to conduct live voltage checks to determine the cause of the problem.

Unplug the refrigerator and check wire harness connections between the electronic control board and freezer inverter control board. Reconnect any loose wires. Check wiring connections between the freezer inverter board and freezer compressor. Reconnect any loose wires and repair any damaged wires. If all wiring connections are okay, call a service technician to diagnose and repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem.

Call a service technician to diagnose and repair this failure. The technician will likely need to replace the freezer compressor. That repair requires the recovery and recharge of refrigerant.

Call a service technician to diagnose and repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem.

Call a service technician to diagnose and repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem.

Unplug the refrigerator and check the wire harness connections between the refrigerator inverter board and refrigerator compressor. Reconnect any loose wires and repair any damaged wires. If wiring connections are okay, call a service technician to diagnose and repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem. If the compressor is bad, then the refrigerator will likely need to be replaced. The refrigerator compressor and sealed system typically can't be repaired because the system uses flammable R600a refrigerant.

Unplug the refrigerator and check wire harness connections between the electronic control board and refrigerator inverter control board. Reconnect any loose wires. Check wiring connections between the refrigerator inverter board and refrigerator compressor. Reconnect any loose wires and repair any damaged wires. If all wiring connections are okay, call a service technician to diagnose and repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem.

Unplug the refrigerator and check the wire harness connections between the refrigerator inverter board and refrigerator compressor. Reconnect any loose wires and repair any damaged wires. If wiring connections are okay, call a service technician to diagnose and attempt to repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem. If the compressor is bad, then the refrigerator will likely need to be replaced. The refrigerator compressor and sealed system typically can't be repaired because the system uses flammable R600a refrigerant.

A service technician needs to diagnose and attempt to repair this failure. If the refrigerator compressor is bad, then the refrigerator will likely need to be replaced. The refrigerator compressor and sealed system typically can't be repaired because the system uses flammable R600a refrigerant.

Call a service technician to diagnose and repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem.

Call a service technician to diagnose and repair the failure. The technician will need to conduct live voltage checks to determine the cause of the problem.