Service Bulletin Description:
a) Symptoms : -Ice maker not making ice due to frozen fill tube. -Water leaking from back plate around the fill tube area b) Causes : -Insufficient sealing around the inlet of water tube on back side of unit. ( can not prevent humidity from coming into the freezer ). – Main PCB malfunction (can not supply DC 12V for fill tube heater). – Fill tube heater open (cannot heat). – Length of fill tube is too long: too near Freezer compartment).
This Service Bulletin PDF download contains information for the following:
LDC22720SW GM-B228KS 76204 76209 LDC22778SW LDC22778ST 78274 78279 LBC22520ST LFC20760SW LFC20760SW LFC20760SW LFC20760SW LFC20770SW LFC20770SB LFC20760ST LFC20760ST LFC20760ST GM-B209FS LFC20770ST LFC20760SB LFC20760SB LFC20760SB LFCS22520W LFCS22520S LFC22770SW LFC22770SB GF22BGS LFC22770ST 79024 79024 LDC22370SW 79022 79022 79029 79029 GM-B228QTB LDC22370ST 79023 79023 GB-668QSL 78024 78022 78022 78029 78023 78023 78312 LFC23760SW LFC23760SW LFC23760SB LFC23760ST LFC23760ST GM-B239JTAL LFC23760SB LFC23760SB 71304 71302 71309 71303 71306 LFC24770SW LFC24770SW LFC24770SB 71314 71314 71312 GR-B239RWA 71319 LFC24770ST LFC24770ST GR-B239RSA 71313 GM-849RWC 79049 GM-849RSC LDC24370ST 79043 79043 78044 78044 LBC24360SW LBC24360SW 78042 78049 78049 LBC24360ST LBC24360ST 78043 LFC25765SW 73033 72303 GR-B279STA GR-B279SVA 72309 LFD22786SW 71322 LFD22786SB 71329 Customer LDCS24223W LDCS24223S 79044 LDC24370SW LDC24370SW 79042 GM-B268NSNP GM-F223RSXM GF22WGS LFD22786ST 71323 GM-F223RSXM GF-L650SL LFD23860ST LFCS25663S LDC22720ST LDC22720TT 76202 LDC22778SW 76203 LDC22778ST 78272 LBC22520SW LBC22520SB LFC20760SW LFC20760SW LFC20760SW LFC20770SW LFC20770SB LFC20760ST LFC20760ST LFC20760ST LFC20760ST LFC20770ST LFC20760SB LFC20760SB LFC20760SB LFC20760SB LFCS22520B LFC22770SW LFC22770SB GR-B229RNA LFC22770ST GF22BGS 79024 LDC22370SW LDC22370SW 79022 GM-769RWC 79029 GM-769RSC LDC22370ST LDC22370ST 79023 GM-B228QTB 78024 78024 78022 78029 78029 78023 GM-B238DS 78319 LFC23760SW LFC23760SW LFC23760ST LFC23760ST GM-B238JSAL GM-B239JTAL LFC23760SB LFC23760SB 71304 71302 71309 71303 71306 LFC24770SW LFC24770SB LFC24770SB 71314 71312 71312 71319 71319 LFC24770ST GF24BGS 71313 71313 LDCS24223B 79044 79044 LDC24370SW 79042 79042 79049 79049 LDC24370ST LDC24370ST 79043 GM-B248QTB 78044 LBC24360SW LBC24360SW 78042 78042 78049 LBC24360ST LBC24360ST 78043 78043 72302 GM63BGS GM63BGS LFC25765ST GM-B258RBS GR-B279SLA LFC25765SB LFD22786SW 71322 LFD22786SB 71329 GR-F229RNK GF22WGS LFD22786ST 71323 GF22WGS GF22WGS 78353 GM-F238SS
The PDF may also contain information that applies to additional models not listed.