LG LSC27914SB Owner's Manual - Page 100
Water dispensing mode is not working
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13) Water dispensing mode is not working NO. CHECKING FLOW Check for loose connections in Main PCB CON 3 & CON 4, also check in Machine Room the Valve Assy connector. 1 RESULT & SERVICE ACTION Result Firmly plugged Loose Service Action Go to Step 2 Check Lever S/W signal in CON 4. 2 Check Water Valve signal in CON 3 & CON 4. 3 Check Pilot Valve signal in CON 3 & CON 4 Check impedance of Water Valve & Pilot Valve. 4 1 6 5 2 3 4 Lever S/W Service Action Pressing 0 Vac Other Go to Step 3 Change PCB 50~70 Vac Go to Step 3 Not Pressing Other Change PCB Lever S/W Service Action 110~127 Vac Go to Step 4 Pressing Other Change PCB Not Pressing 0 Vac Other Go to Step 4 Change PCB Lever S/W Service Action 110~127 Vac Go to Step 5 Pressing Other Change PCB Not Pressing 0 Vac Other Go to Step 5 Change PCB Lever S/W Service Action 1 to 6 33 ~43 Ù Explain to costumer Other Replace Valve Assembly 2 to 3 2.88-3.52Ù Explain to costumer Other Replace Valve Aseembly - 99 -