LG LDS4821BB Service Manual - Page 20

8.TROUBLE SHOOTING METHODS A. TROUBLE SHOOTING ACCORDING TO DISPLAYED ERROR MESSAGE ERROR MESSAGE INLET ERROR displayed Condition Not reached to the normal water level in spite of 10 min. water supply POSSIBLE CAUSE FOR ERROR OCCURRENCE The Water Supply Tap is closed. The Water Supply is shut off. The Inlet Hose is kinked. The Water Pressure is very low. (below 10 psi) Inlet Valve is OK? The filter of Inlet Valve is clogged by impure water. The Hall sensor is OK? The Impeller of Air Guide is bound. REMEDY Take action on Water Supply device. Measure the electric resistance of Inlet Valve. (950-1300 ) Clean the filter of Inlet Valve. Check the frequency of Inlet Water by the Test Mode. Replace the Air Braker. DRAIN ERROR displayed Condition Not fully drained out in spite of 5 min. drain operation The Drain Hose kinked or blocked. Wiring connection is OK? The drain outlet of sump is blocked. The Drain Pump/Motor or circuit is troubled. Remove the cause of kink or block. Check the wiring connection. Measure the electric resistance of Drain Motor. (20-40 ) Replace the Drain Motor or repair the Circuit. LEAKAGE ERROR displayed Condition The excessive RPM of Washing Motor happened during Wash cycle due to water leakage. Water leakage in Hose connections. Water is leaked by damages. The Motor Water Seal leakage of Sump assembly. The height of Drain Hose connection (sink-Drain Hose) is not over 20″. Impeller of the Washing Pump is worn away. Replace the connections of Hose. Check the point of damages and repair or replace the related parts. Read the Installation Instructions (page 9) and fix it to the recommended Height. Replace the Impeller of the Washing Pump. - 21 -