LG DLG5988WM Service Manual - Page 23

Test 3 Motor test Caution Before measuring resistance, be sure to turn Power off, and do voltage discharge. (When discharging, contact the metal plug of Power cord with earth line.) Trouble Symptom Drum will not rotate; No fan will function; No Heater will work. Measurement Condition Turn the Dryer's Power Off, then measure resistance. Idler Switch Lever Idler Switch Is resistance below 3Ω between Connector "WH3- " (White wire) and "BL2- " (Brown wire)? YES Measure while door is closed. NO Is resistance below 3Ω between Connector "WH3- " (White wire) and "BL2- " (Yellow wire)? NO Measure while door is closed. YES • Replace Control. (Relay check) • Check Controller connector. • Check if Door flame presses door switch knob. • Check Door Switch. • Check Harness connection. Is resistance below 3Ω between Connector "BL2- " (Yellow wire) and "BL2- " (Brown wire)? YES NO Is resistance below 1Ω between terminals of Outlet Thermostat attached to blower housing? NO YES Does Idle Switch attached to Motor Bracket operate Level by drum belt? YES (Not operating Lever is normal.) Is resistance below 1Ω between Idler Switch terminals? NO YES • Replace Control. (Relay check) • Check Controller connector. • Replace Outlet • Thermostat. (Refer to 'Component') • Check Idler Assembly. • Drum Belt cuts off • Drum Belt takes off from • Motor Pulley. • Replace Idler Switch. • Check Motor.(Refer to 'Motor Diagram & Check') • Check if Control Connector is contacted. 23