LG HBLG6000R Service Manual - Page 21

Possible Trouble 2 • The compressor does not operate. Is Temp. setting set lower than Room NO Temp.-0.5°C? • Set the Temp. setting to higher Temp. YES Is the voltage No.10 NO of IC01M 0V? YES • Check the RY-COMP. • Check the wiring Diagram. Is the voltage N0.7 of NO IC01M DC 5V? YES • Exchange IC01M. Possible Trouble 3 • The compressor always operate. Is the Unit for 3 minutes NO delay? YES • Wait 3 Minutes • Exchange MAIN P.W.B Ass'y. Is the wire connection of NO RY-COMP all right? YES • Check the RY-COMP. • Connect LEAD Wire to RY-COMP again. Possible Trouble 4 • Fan does not operate. Is the voltage NO.1 or 4 NO of IC01M DC 5V? YES Is the voltage NO.13 or 16 NO of IC01M 0V? YES • Check the RY-Hi or RY-Lo. • Check the wiring diagram. -21- • Exchange IC01M. • Exchange IC01M.