R-1-a | Icemaker Sensor Error | Display error: separation of sensor housing part, contact error, disconnection, short circuit. Display error of detecting temperature of sensor: more than 149°F (+65°C) or less than -58°F (-50°C) | When checking the voltage of MAIN PCB CN90 #3 to CN90 #4: should be between 4.5 to 1.0V. |
R-1-b | Refrigerator Sensor Error | | When checking the voltage of MAIN PCB CN30 #6 to CN75 #1: should be between 4.5 to 1.0V. |
R-1-c | Refrigerator Defrost Sensor Error | | When checking the voltage of MAIN PCB CN #7 to CN75 #1: should be between 4.5V to 1.0V. |
R-1-d | Refrigerator Fan Error | Display error during operation of fan motor: feed back signal line contact error, separation of motor wire, motor error | Voltage of MAIN PCB CN75 orange to gray should be between 7v to 12 V. |
R-1-e | Icemaker Error | Display error: ice making kit is harvested more than 3 times and level error. Note: Apply to the applicable icemaker model. | After replacing icemaker, check the operation by turning the appliance ON again. |
R-1-g | Refrigerator Defrost Error | Display error: separation of fresh food compartment defrost heater housing part, contact error, disconnection, short circuit or temperature fuse error | After separating MAIN PCB CN70, CN71, from PCB, check the resistance value between CN70 white to CN71 orange. |
| | Display error: the fresh food compartment defrosting does not finish. Defrost is heating continuously for more than 80 minutes. | It should be 102 ohms ±7%. (Resistance value is varied by the input power.) Check 0 ohm: heater short,00 ohm: wire/ bimetal open. |
F-1-a | Ambient Sensor Error | Display error: sensor housing separation, contact error, disconnection, short circuit. Display error by detecting temperature of sensor: more than 149°F (+65°C) or less than -58°F (-50°C) | Check the voltage of MAIN PCB CN32 #1 to #4. It should be between 4.5V to 1.0V. |
F-1-b | Freezer Sensor Error | | Check the voltage of MAIN PCB CN30 #3 to CN75 #1. It should be between 4.5V to 1.0V. |
F-1-c | Defrost Sensor Error | | Check the voltage of MAIN PCB CN30 #4 to CN75 #1. It should be between 4.5V to 1.0V. |
F-1-d | Freezer Fan Error | Display error during operation of fan motor: feed back signal line contact error, motor wire separation, motor error | Voltage of MAIN PCB CN75 yellow to gray should be between 7V to 12V. |
F-1-e | Condenser Fan Error | Display error during operation of fan motor: feed back signal line contact error, motor wire separation, motor error | Voltage of MAIN PCB CN75 sky blue to gray should be between 7V to 12V. |
F-1-f | Ice Room Sensor Error | Display error: sensor housing separation, contact error, disconnection, short circuit. Display error by detecting temperature of sensor: more than 149°F (+65°C) or less than -58°F (-50°C) | Check the voltage of MAIN PCB CN32 #3 to CN75 #1. It should be between 4.5V to 1.0V. |
F-1-g | Freezer Defrost Error | Display error: separation of freezer compartment defrost heater housing part, contact error, disconnection, short circuit, or temperature fuse error Display error: The defrosting does not finish through fresh food compartment. Compartment defrost is heating continuously for more than 70 minutes. | After separating MAIN PCB CN70and CN71from PCB. check the resistant value between CN70 brown to CN71 orange. It should be 102 ohms ±7%. (Resistance value is varied by the input power.) Check 0 ohm: heater short.00 ohm: wire/ bimetal open. |
F-10-b | Ice Room Fan Error | Display error during operation of fan motor: feedback signal line contact error, motor wire separation, motor error | Voltage of MAIN PCB CN76 black to CN75 gray should be between 6 V to 12V. |
R-10-a | Pantry Damper Heater Error | Display error: when open error is detected by damper heater: separation of damper heater housing part, contact error, disconnection, short circuit | After separating MAIN PCB CN91 from PCB, check the resistant value between black to brown wire. It should be 145 ohms ±7%. Check 0 ohm: heater short,00 ohm: wire/ bimetal open. |
R-10-b | Pantry Sensor Error | Display error: separation of sensor housing, contact error, disconnection, short circuit. Display error by detecting temperature of sensor: more than 149°F (+65°C) or less than -58°F (-50°C) | Check the voltage of MAIN PCB CN30 #8 to #9. It should be between 4.5V to 1.0V. |
R-10-g | Water Tank Heater Error | Display error when open error is detected by water tank heater: separation of water tank heater housing part, contact error, disconnection, short circuit | After separating MAIN PCB CN78 from PCB, check the resistant value between black to brown wire. It should be 45 ohms ±7%. Check 0 ohm: heater short,00 ohm: wire/ bimetal open. |
F-10-g | Panel to Main Communication Error | Display of Pc/Lc Er in the panel with alarm: MICOM MAIN to LOAD communication error | It is desirable to recheck the condition with the oscilloscope after replacing Main and Panel PCBs |
F-10-f | Load to Main Communication Error | MICOM MAIN to PANEL communication error | |