LG Electronics LRMM1430SB manual FAN Motor Assembly Removal, Interlock System, Interlock Mechanism

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J. FAN MOTOR ASSEMBLY REMOVAL

(1)Separate cavity and base plate.

(2)Remove air and suction guide..

(3)Remove the two screws holding the fan motor ASSEMBLY to the suction guide ASSEMBLY.

(4)Disconnect the wires and unfasten the screws.

(5)Pull out the Fan motor from the suction guide.

Fan Motor ASS’Y

Inverter

Suction

Guide

Figure 16

K. INTERLOCK SYSTEM

(1) INTERLOCK MECHANISM

The door lock mechanism is a device which has been specially designed to eliminate completely microwave activity when the door is opened during cooking and thus to prevent the danger resulting from the microwave leakage.

(2)MOUNTING OF THE PRIMARY/MONITOR/ SECONDARY SWITCHES TO THE LATCH BOARD

(3)INSTALLATION AND ADJUSTMENT OF THE LATCH BOARD TO THE OVEN ASSEMBLY

Mount the latch board to the oven assembly.

Adjust the latch board in the arrow direction so that oven door will not have any play in it when the door is closed.

Tighten the mounting screw.

Check for play in the door by pushing the door release button. Door movement should be less than

0.5 mm. (1/64 inch)

Don't push the door release button while making this adjustment. Make sure that the latch moves smoothly after adjustment is completed and that the screws are tight. Make sure the primary, monitor, and secondary switches operate properly by following the continuity test procedure.

ADJUSTMENT

DIRECTION

SECONDARY

SWITCH

MONITOR

SWITCH

PRIMARY

SWITCH

Figure 17

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Contents Microwave Oven Page Model LRMM1430SW LRMM1430SB Test the Latch and Switch Sequence Adjustment ProceduresCheck the Door Latch and Switch Closings Adjust the Latch and Switch ClosingsPage Trial Operation Precautions on InstallationFeatures and Specifications General Precautions in USESwitch Chart SpecificationsOverall Circuit Diagram A. Schematic Diagram Matrix Circuit for Touch KEY Board Operating Procedures A. Control Panel Clock Display WindowMULTI-STAGE Cooking Easy USE Chart ClockHI-POWER Cooking Kitchen TimerMeasurement with the OUT Case Removed Procedure for Measuring Microwave Energy LeakageEquipment Measuring Microwave Energy LeakageRecord Keeping and Notification After Measurement Measurement with a Fully Assembled OvenImportant Notes Disassembly InstructionsRemoving Control Circuit Board Figure WireAIR Guide Removal Figure Removing the Turntable Motor Magnetron RemovalInterlock System FAN Motor Assembly RemovalInterlock Mechanism Components Test Procedure Results Primary Interlock Switch TestSecondary Interlock Switch Test Monitor Switch TestMagnetron Test and Checkout PROCEDURES, and TroubleshootingTest Procedures Components InverterCorrect Position SensorFAN Motor RelayTurntable Motor Checkout Procedures for Fuse Blowing Checkout ProceduresProblems Causes YES Good Checkout Procedures for RelayProblem a Problem BPage Condition Cause Remedy Trouble ShootingCheck ConditionResult PCB Check ResultCause Remedy Condition Check ResultNo microwave oscillation Exploded View Door Parts Controller Parts Oven Cavity Parts Latch Board Parts Oven Interior Parts Base Plate Parts For Model LRMM1430SB Replacement Parts ListScrew TAPPING,PAN Head For Model LRMM1430SW WTT022 1TTL0402422 Schematic Diagram of P.C.B Printed Circuit Board B. Parts List LOC Description Specification SVC Alter RY1 May