LG RCS10MPA Service Manual - Page 28

COMPONENTS RELAY 3 TEST PROCEDURE Check for continuity of relay 3 an ohm-meter. (Remove wire leads from relay 3 and operate the unit.) Relay 3 RESULTS POWER LEVEL 1 3 sec 9 sec 2 4 sec 8 sec 3 5 sec 7 sec 4 6 sec 6 sec 5 7 sec 7 sec 6 8 sec 4 sec 7 9 sec 3 sec 8 10 sec 2 sec 9 11 sec 1 sec 10 12 sec 0 sec BLOWER MOTOR (Wire leads removed) Measure the resistance. (Ohm-meter scale: R x 100) Normal: Approx. 14~21 ohm Abnormal: Infinite or several K-ohm. STIRRER MOTOR (Wire leads removed) Measure the resistance. (Ohm-meter scale: R x 1000) Normal: Approx. 3~3.5 kohm Abnormal: Infinite or several ohm. NOTE : • A MICROWAVE LEAKAGE TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON. • MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION. • WHEN REMOVING THE WIRE LEADS FROM THE PARTS, BE SURE TO GRASP THE CONNECTOR, NOT THE WIRES. 5-10