§ 03 Nine diagnostic procedures
How to diagnose Step-by-step procedures, component tests, and service mode references for narrowing down the cause.
01 Compressor LED Blink Diagnostics Diagnostic procedure →
02 Compressor Resistance Check Diagnostic procedure →
03 Display Mode (Store Demo Mode) Diagnostic procedure →
04 Display SVC Temperature Compensation Diagnostic procedure →
05 Error Code Display Method Diagnostic procedure →
06 Icemaker Test Mode Diagnostic procedure →
07 Sealed System Diagnosis Diagnostic procedure →
08 Test Mode Entry Diagnostic procedure →
09 TPA (Terminal Position Assurance) Removal Diagnostic procedure →
Source Procedures from LG service manual
§ 04 35 symptoms covered
Troubleshooting When you don't have a code on the display — only what you're noticing or hearing.
Cooling 01 Cooling system runs too much. 1 item ▸ 02 Food is freezing in the refrigerator compartment. 1 item ▸ 03 Frost or ice crystals form on frozen food (inside of sealed package). 1 item ▸ 04 Frost or ice crystals form on frozen food (outside of package). 1 item ▸ 05 Interior moisture buildup. 1 item ▸ 06 Refrigerator is not cooling or has no power. 1 item ▸ 07 Refrigerator or Freezer section is too cold. 1 item ▸ 08 Refrigerator or Freezer section is too warm. 1 item ▸ Craft Ice 09 Icemaker is not making enough ice. 1 item ▸ 10 Icemaker is not making ice. 1 item ▸ Error Codes 11 "Sb" appears on the display. Refrigerator is running but control panel is inactive. 1 item ▸ Ice 12 Ice has bad taste or odor. 1 item ▸ 13 Ice is not dispensing. 1 item ▸ 14 Icemaker is making too much ice. 1 item ▸ 15 Icemaker is not making ice 1 item ▸ Noises 16 Clicking 1 item ▸ 17 Dripping 1 item ▸ 18 Gurgling 1 item ▸ 19 Popping 1 item ▸ 20 Pulsating or high- pitched sound 1 item ▸ 21 Rattling 1 item ▸ 22 Sizzling 1 item ▸ 23 Vibrating 1 item ▸ 24 Whooshing 1 item ▸ Parts & Features 25 Doors are difficult to open. 1 item ▸ 26 Doors will not close correctly or pop open. 1 item ▸ 27 Lights do not work. 1 item ▸ 28 Refrigerator has an unusual odor. 1 item ▸ 29 Refrigerator wobbles or seems unstable 1 item ▸ 30 The interior of the refrigerator is covered with dust or soot. 1 item ▸ Water 31 Dispensing warm water. 1 item ▸ 32 Water has bad taste or odor. 1 item ▸ 33 Water is dispensing slowly. 3 items ▸ 34 Water is not dispensing. 1 item ▸ Wi-Fi 35 Trouble connecting appliance and smartphone to Wi-Fi network 1 item ▸ How we source this Diagnostic content on this page is extracted from the OEM manuals published by LG for the LCFC26XSB, with provenance preserved on every entity. Parts are listed only when verified across two or more retailers. Where we paraphrase manual content for clarity, the original passage is preserved and viewable. Where we render content verbatim, citations link back to the source manual.