User manual LG WD-6550F SERVICE MANUAL

[. . . ] website : http://www. LGEservice. com e-mail : http://LGEservice. com/techsup. html WASHING MACHINE SERVICE MANUAL CAUTION READ THIS MANUAL CAREFULLY TO DIAGNOSE TROUBLE CORRECTLY BEFORE OFFERING SERVICE. MODEL : WD-6550F(B) / WD-8050F(H)(B) WD-1050F(H)(B) / WD-1055F(H)(B) WD-1253F(H)(B) / WD-1255F(H)(B) WD-1054(6)F(H)B / WD-1254(6)F(H)B WD-8054F(H)B MAY. 2001 PRINTED IN KOREA P/No. :3828ER3008C CONTENTS 1. SPECIFICATION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 2. FEATURES & TECHNICAL EXPLANATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [. . . ] · The connector (3-pin, male, white) in the wire harness is not connected to the connector (3-pin, female, white) of MOTOR. · The electric contact between the connectors 3-pin, male, white in the wire harness and 6-pin, female, white in the PWB assembly (Main) is bad or unstable. Reconnect or repair the contact in the connector. · The wire harness between the MOTOR and PWB assembly (Main) is cut (open circuited). Repair the damaged (open-circuited) WIRE HARNESS. · The hall sensor is out of order/defective. Replace the PWB assembly (Main). 9 CURRENT ERROR 10 LOCK ERROR 19 I WD-6550F(B)/WD-8050(4)F(H)(B) If you press the Start/Pause button when an error in displayed, any error except S/W ERROR will disappear and the machine will change into pause status. In case of S/W ERROR THERMISTER ERROR DOOR OPEN ERROR if the error is not resolved within 20 sec. In the case of other errors, if the error is not resolved within 4 min. power will be turned off automatically and the error code will blink. But in case of OVER FLOW ERROR , power will not be turned off. d ERROR 1 WATER INLET ERROR SYMPTOM CAUSE Water has not reached to the pre-set level within 4 no inlet min. since inlet valve operated, or water has not reached to the normal level within 25 min. 2 IMBALANCE ERROR The appliance is tilted. imbalance Laundry is gathered to one side. Non-distributable things are put into the drum. 3 DRAIN ERROR no drain Water has not drained enough within 5 min. 4 OVERFLOW ERROR Super Pre Main Water is automatically being pumped out because too much water is in the tub. 5 SENSOR PRESSURE S/W ERROR Normal Hold Fuzzy Logic & Quiet The sensor pressure switch is out of order. 6 DOOR OPEN ERROR The Start/Pause button is pressed with the door Door Lock open. The door switch is out of order. 95 7 THERMISTOR ERROR Fuzzy Logic & Quiet 60 40 Cold The thermistor is out of order. 20 ERROR 8 SENSOR ERROR SYMPTOM Super CAUSE · The electric contact between the connectors (5-pin, male in the wire harness and 5-pin female in the hall sensor) is bad or unstable. Reconnect or repair the contact in the connector. · The connector (6-pin, male, natural) in the wire harness is not connected to the connector (6-pin, female, natural) of PWB assembly (Main) or the electric contact of connectors is bad/unstable. Reconnect or repair the contact in the connector. · The electric contact between the connectors 6-pin, male in the wire harness and 6-pin female in the controller (Main) is bad or unstable. Reconnect or repair the contact in the connector. · The wire harness between hall sensor in the MOTOR and PWB assembly (Main) is cut (open circuited). Repair/replace the damaged WIRE HARNESS. · The hall sensor is out of order/defective. [. . . ] Push the motor in the arrow direction for disassembling. When reassembling the motor, make sure that motor 1 3 mounting bushings are not taken off from the bracket. 2 (MOTOR) Hinge, Damper Damper Pull out the hinge, pressing its snap. It may be taken off during operation. (DAMPER) Clean the drain pump filter 100 3 2 1 3 2 Open the lower cover cap ( ) by using coin. Turn the drain plug ( ) to pull out the hose. Unplug the drain plug ( ) , then the water flows out. At this time use a vessel to prevent water flowing on the floor. [. . . ]