LG LFC21770ST (AST2LGA) Error Codes — Complete List

All error codes for LG LFC21770ST (AST2LGA) refrigerator with diagnoses and fixes.

• LG LFC21770ST (AST2LGA) Error Code Er 1F — Icemaker fan motor error
• LG LFC21770ST (AST2LGA) Error Code Er CF — Condenser fan motor failure
• LG LFC21770ST (AST2LGA) Error Code Er CI — Ice maker fan failure
• LG LFC21770ST (AST2LGA) Error Code Er CO — Communication error between boards
• LG LFC21770ST (AST2LGA) Error Code Er dH — Defrost heater failure
• LG LFC21770ST (AST2LGA) Error Code Er DI — Ice maker disconnected
• LG LFC21770ST (AST2LGA) Error Code Er FF — Freezer fan motor failure
• LG LFC21770ST (AST2LGA) Error Code Er FS — Freezer sensor failure
• LG LFC21770ST (AST2LGA) Error Code Er IF — Ice maker fan failure
• LG LFC21770ST (AST2LGA) Error Code Er IS — Ice maker sensor failure
• LG LFC21770ST (AST2LGA) Error Code Er rF — Refrigerator fan motor failure
• LG LFC21770ST (AST2LGA) Error Code Er SS — Room temperature sensor failure