Daewoo KOR-630A1A, KOR-630A9A, KOR-630A0A service manual Check

Page 19

CONDITION

CHECK

RESULT

CAUSE

REMEDY

Outlet has

Check continuity of magnetron

No

Defective mag-

Replace

 

proper volt-

Continuity

netron

 

 

 

age Fuse

 

 

 

 

does not

 

 

 

Replace

blow.

Check continuity of

No

Open power sup-

 

power supply cord

Continuity

ply cord

 

 

 

Normal

Defective touch

Replace

 

 

 

 

 

 

 

control circuit

 

 

Display do not shown

 

Malfunction of sec-

Replace

 

 

 

 

countdown

 

ondary interlock

 

 

 

 

switch

 

NOTE

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 button is tapped.

CONDITION

Turn table motor and oven lamp do not turn on

CHECK

Check continuity of primary inter-

lock switch

Check continuity of secondary

interlock switch

Check D.C. voltage being sup-

plied to RELAY (RY2) coil

RESULT

 

 

CAUSE

 

 

REMEDY

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

Malfunction of pri-

 

 

Adjust or

Continuity

 

 

mary interlock

 

 

replace

 

 

 

switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

No

 

 

Malfunction of sec-

 

 

Adjust or

Continuity

 

 

 

 

replace

 

 

ondary interlock

 

 

 

 

 

 

 

 

 

 

 

switch

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0 V

 

Defective touch

 

 

Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

control circuit

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Approx.

 

 

Faulty contacts of

 

 

Replace

 

 

 

 

 

 

 

 

 

 

 

 

 

12 VDC

 

RELAY (RY2) or

 

 

 

 

 

 

open relay coil

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

18

Image 19
Contents Microwave Oven Table of Contents For Safe Operation Safety and PrecautionsKOR-630A0A, KOR-630A1A KOR-860A0A, KOR-860A1A SpecificationsExternal View Outer DimensionFeature Diagram Control Panel Leave space behind and side InstallationOperations and Functions Wattage output chartDisassembly and Assembly To remove cabinet Part Code Part Name Description REF no Part Code Part Name Description ’TY RemarkPage To remove control panel parts To remove high voltage capacitor To remove wind guide assembly Adjustment Interlock Mechanism and AdjustmentCheck Result Trouble Shooting GuideCheck Relay RY1 Continuity of the membrane Touch Assembly Programming Procedure Measurement of the Microwave Power OutputMeasurement and Test Microwave Radiation Test ProceduresHigh voltage transformer Component Test ProcedureWiring Diagram KOR-630A1A/KOR-860A1A Measure Point Wave Form Remedy Remark Circuit Check ProcedurePrinted Circuit Board Check Point RemarkMeasure Point State Point Relay 1 on State Point Relay 2 onGND Relay 2 OFFPCB Circuit Diagram C.B. Location no Name Symbol Specification Part Code QTYCapacitor Elec EC1 50V RS IMF Wire Copper SJ1,SJ3 TIN Coating Door Assembly Exploded View and Parts ListPart Code Part Name Description QTY CONTROL-PANEL AS KOR-860AOA CONTROL-PANEL AS Total ASSEMBLYKOR-630A1A/860A1A Special Screw T1 TRS 4*10 SE Mfzn KOR-860A1A

KOR-630A0A, KOR-630A1A, KOR-630A9A specifications

The Daewoo KOR-630 series of microwave ovens, including models KOR-630A9A, KOR-630A1A, and KOR-630A0A, represent a blend of innovative technology and user-friendly designs tailored for modern cooking needs. This range positions itself as a reliable choice for households seeking efficiency and performance.

One of the standout features of the KOR-630A9A, KOR-630A1A, and KOR-630A0A is their impressive power output. These models typically offer a microwave power of around 900 watts, ensuring quick heating and cooking times, which is essential for busy lifestyles. This power allows users to defrost, reheat, and cook meals in a fraction of the time compared to conventional methods.

The KOR-630 series incorporates advanced cooking technologies, including multiple power levels. This flexibility allows for precise cooking control, enabling users to select the ideal power output for various tasks, from gentle defrosting to robust cooking. Additionally, the ovens come equipped with various automatic cooking programs designed to simplify meal preparation. These pre-set options take the guesswork out of cooking, making it incredibly convenient for users of all skill levels.

In terms of design, the KOR-630 models boast a sleek and modern aesthetic that complements any kitchen decor. The user-friendly control panel features intuitive buttons and rotary dials, making it easy to navigate settings and adjust cooking times. The interior space is designed with practicality in mind, allowing for the accommodation of larger dishes, and features a durable and easy-to-clean surface.

Another key characteristic of the KOR-630 series is its safety features. Child safety locks are incorporated into the design, providing peace of mind for families with young children. Additionally, the ovens are built with an efficient cooling system, which helps prevent overheating during operation, contributing to both user safety and appliance longevity.

Overall, the Daewoo KOR-630A9A, KOR-630A1A, and KOR-630A0A microwave ovens demonstrate a commitment to quality, performance, and innovation. They succeed in enhancing the cooking experience while prioritizing convenience and safety, making them an excellent addition to any kitchen. Whether for reheating leftovers, defrosting frozen ingredients, or cooking meals from scratch, this series offers versatile solutions that cater to a wide range of cooking needs.