LG LRSC26980TT Service Manual - Page 28

MICOM FUNCTION 2-16. Failure Diagnosis 1. The failure diagnosis function indicates the area of a failure while the product is in operation. 2. When the appliance enters the failure mode, pressing buttons has no effect on the operation of the appliance. 3. If the error clears itself, the MICOM will reset and the appliance will operate as usual. 4. The failure code will be displayed as indicated in the drawings below. All other graphics and displays will be turned off. LRSC26944**, LRSC26980TT FAILURE CODE - INDICATION PART ICEBEAM COOLING OFF + CUBE WATER CRUSH F 5 4 3 2 1 ) F * FILTER MONTH F ROOM TEMP 3 SECS DISPENSER & KEY , All models except LRSC26944**, LRSC26980TT FAILURE CODE - INDICATION PART EXPRESS (On) (Off) JET + CUBE WATER DIGITAL CONTROL C C F F FILTER HFIOLTLEDR3RSEESCEST C F ROOM TEMP CRUSH FRZ TEMP REF TEMP 3 SECS LOCK DISPENSER & KEY ) * , G : Proper operation Failure code indication part Product operation status in failure No. Item 1 Abnormal freezer sensor Freezernotch Refrigeratornotch temperature temperature display display Contents of failure Er FS Freezer sensor short circuit Compressor Freezing BLDC motor Cooling BLDC motor ONfor15minutes/ Standard G OFFfor15minutes RPM Defrost Heater G Stepping motor damper G 2 Abnormal refrigerator Er sensor 1 (R1) (Upper part in the refrigerator compartment) rS Refrigerator sensor1 short circuit G Standard G RPM G Full opening for 10 minutes/ Full closing for 15 minutes 3 Abnormal refrigerator Normal display Refrigerator sensor2 short circuit G Standard G G G sensor 2 (R2) (Note 2) RPM (Middle part in the refrigerator compartment) 4 Abnormal defrost Er sensor dS Abnormal short circuit G Standard G No defrost G RPM 5 Failed defrosting Er dH Defrost heater, temperature fuse short G Standard G G G circuit, unplugged connector(indicated RPM 4 hour later after trouble) 6 Abnormal freezing Er FF Motor defect, hooked of lead wire G OFF G G G BLDC motor to fan, contact of structures with fan, short or open of lead 7 Abnormal cooling Er CF wire(there is no signal of BLDC G Standard OFF G G BLDC motor motor more than 115 seconds in RPM operation of fan motor) 8 Communication Er CO Short or open of lead wire G Standard G G G Errors. connecting between main PCB RPM and display PCB, transmission tr and receiving part 9 Abnormal ambient sensor Normal display (Note 1) Ambient sensor short circuit G G G G G 10 Abnormal Optichill sensor Normal display (Note 2) Optichill sensor short circuit G G G G G ✽ All displays turn off other than freezer room notch temperature display and refrigerator room notch temperature display(failure code indication part) when indicating failure modes(except for Note1, Note2). - 28 -