GE TMW-1100MC, TMW-1100EC, TMW-800TC manual Condition Check Result Cause Remedy

Page 23

CONDITION	CHECK	RESULT	CAUSE	REMEDY
Outlet has	Check continuity of magnetron	No	Defective	Replace
Outlet has		No	Defective
proper		Continuity	magnetron
proper		Continuity	magnetron
voltage Fuse
does not				Replace
blow.	Check continuity of	No	Open power	Replace
	power supply cord	Continuity	supply cord
		Normal	Defective touch	Replace
			Defective touch
			control circuit
	Display do not shown		Malfunction of	Replace
	Display do not shown		Malfunction of
	countdown		secondary
			interlock switch

NOTE 1

All these switches must be replaced at the same time, please refer to “Interlock Mechanism And Adjustment”.

(TROUBLE 2) Display shows all figures selected, but oven does not start cooking, even though desired program and time are set and start pad is tapped.

CONDITION

Oven lamp

does not turn

on

CHECK

Check continuity of primary

interlock switch

Check continuity of secondary

interlock switch

Check D.C. voltage being

supplied to RELAY (RY2) coil

RESULT

No

Continuity

No

Continuity

0 V

Approx. 15 VDC

CAUSE

Malfunction of

primary interlock

switch

Malfunction of

secondary

interlock

switch

Defective touch

control circuit

Faulty contacts of RELAY (RY2) or open relay coil

REMEDY

Adjust or

replace

Adjust or

replace

Replace

Replace

21

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Contents Turbo Air Inc Microwave Oven Table of Contents TMW-800T / TMW-800TC Microwave Radiation Safety and PrecautionsFor Safe Service Procedures For Safe OperationSpecifications External View Electrical Outer DimensionFeature Diagram Safety interlock systemControl Panel 560 483 344 External View MechanicalLeave space behind and side InstallationOperations and Functions Electrical Wattage output chartOperations and Functions Mechanical Variable power cookingVariable power setting Approximate Percentage Short Disassembly and AssemblyTo remove cabinet Part Code Part Name Description To reduce gap located on part ‘A’ REF no Part Code Part Name Description ’TY Remark Part Code Part Name Description ’TY Magnetron To remove wind guide assembly Adjustment steps Primary interlock switchSecondary interlock switch and interlock monitor switch AdjustmentCause Trouble Shooting GuideCondition Check ResultCondition Check Result Cause Remedy CheckRelay RY1 Condition Check ResultNot show Interlock Mechanism and Adjustmentmechanical No Continuity Replace power supply cord YES Measurement and Test ProcedureHeating time for power output Microwave Radiation Test Magnetron High voltage transformerHigh voltage capacitor High voltage diodeWiring Diagram TMW-1100EC Wiring Diagram TMW-1100E Wiring Diagram TMW-1100MC Wiring Diagram TMW-1100M Check Point Remark Printed Circuit BoardLow voltage transformer check Voltage CheckMeasure point MP1 MP2Point State Point State Relay 2 on 5VDC GND Relay 2 OFF 12VDCPoint State Relay 1 on 5VDC GND GND 12VDCC.B. Circuit Diagram C.B. Location no Name Symbol Specification Part Code ’TY Total Assembly Exploded View and Parts List ElectricalPart Code Part Name Description QTY Exploded View and Parts List Mechanical CONTROL-PANEL AS KOR-1P55BA TMW-800T / TMW-800TC Power SupplyPower Consumption Grill Combination Microwave Energy Output External View Outer Dimension Feature DiagramSteady, flat location Operations and Functions Disassembly and Assembly REF no Part Code Part Name Description ’TY Page Coupler VPC Knob POM Knob TimerCoupler Timer POM Knob VPCHigh voltage circuit wiring To remove magnetron Noise FilterOnly KOR-63555B Interlock Mechanism and Adjustment Trouble Shooting Guide Does the oven lamp light? no Does the turntable turn? Measurement of the Microwave Power Output Microwave Radiation Test ProceduresComponent Test Procedure Wiring Diagram TMW-800TC Power Supply Single Phase only Wiring Diagram TMW-800TTotal Assembly Exploded View and Parts ListCavity AS Door ASControl Panel AS Cabinet Secc T0.5About this Manual