Daewoo KOC-154K Service Manual

Service ManualMicrowave OvenModel: KOC-154K8SA2S/M No. : OC154K8003Feb. 2008✔ Caution: In this Manual, some parts can be changed for improving,their p

93. To remove door parts.A01 A02 A03 A04A05A06A10A07A08A09NO PARTS CODE PARTS NAME DESCRIPTION Q'TY REMARKA01 3512210300 FRAME DOOR PC 1A02 35152

10(1) Remove the gasket door from door plate.(2) Remove two screws from the handle assembly secured to door frame.(3) Remove the handle door and barri

NO PARTS CODE PARTS NAME DESCRIPTION Q'TY REMARKB01 3511617330 DECORATOR C-PANEL KOC-154K8SA2 1B02 3511617300 DECORATOR C-PANEL STS T0.5#4 1B03 3

12CAUTION : Never install the magnetron without the metallic gasket plate which is packed with each magnetron toprevent microwave leakage. Whenever re

138. To remove wind guide assembly.(1) Remove a screw for earthing.(2) Remove the noise filter from the wind guide.(3) Remove a screw which secure the

1410. To remove Guide air assembly parts. 1) Remove two screws (G06) and pull out Guide air assembly.2) Remove a screws (G07) and pull out the lamp.3)

1511. To remove Top heater assembly parts.1) Remove two screws (D01) and pull out Guide air outlet (D02) and insulator heater *t (D03).2) Pull out the

1612. To remove Rear heater assembly parts. REF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKF01 3511413500 COVER *B SBHG-3 TO.4 1F02 3511410500 COV

171) Cut the Motor syncro. Cover parts from the base plate.2) Remove a screw and then pull out Motor syncro.3) Remove a screw (E05) and then pull out

187. INTERLOCK MECHANISM AND ADJUSTMENT The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiat

1PRECAUTIONS TO BE OBSERVED BEFORE ANDDURING SERVICING TO AVOID POSSIBLEEXPOSURE TO EXCESSIVE MICROWAVE ENERGY(a) Do not operate or allow the oven to

198. TROUBLESHOOTING GUIDE Following the procedure below to check if the oven is defective or not.1) Check grounding before trouble checking.2) Be car

20CONDITION CHECKCheck continuity ofmagnetronDefectivemagnetron.RESULTNocontinuityCAUSE REMEDYReplaceOutlet haspropervoltagefuse does notblow?Check co

21TROUBLE 3) No microwave oscillation even though fan motor rotates.CONDITION CHECK RESULTCheck continuity ofhigh voltage capacitor terminalswith wire

22(TROUBLE 4) Grill heater (upper heater) is not heated; food will not become hot.CONDITION CHECKCheck continuity ofprimary interlock switchMalfunctio

23(TROUBLE 6) Lower heater is not heated; food will not become hot.CONDITION CHECKCheck continuity ofPrimary interlock switchMalfunction ofprimary Int

24CAUSEREMEDY(TROUBLE 8) When “ERROR 2 ERROR 3” come on display.CONDITION CHECKCheck continuity of thermistor(resistance of thermistor)ReplaceRESULT0

259. MEASUREMENT AND TEST9-1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring the temperature

269-2. MICROWAVE RADIATION TESTPROCEDURE1. Prepare Microwave Energy Survey Meter, 600cc glass beaker,and glass thermometer 100°C (212°F).2. Pour 275cc

279-3. COMPONENT TEST PROCEDURE• High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle.• It is

289-4. COMPONENT ACTIONCOOKING MODEM/W●GRILL-1●●GRILL-2●● ●COMBI-1●●●●MANUAL COMBI-2●●●●MODE COMBI-3●●●●COMBI-4●● ●COMBI-5●●● ●CONVECTION40●●CONVECTIO

21. SAFETY AND PRECAUTIONS1. FOR SAFE OPERATIONDamage that allows the microwave energy (that cooks or heats the food) to escape will result in poor co

2910. WIRING DIAGRAM

3011. EXPLODED VIEW AND PARTS LIST TOTAL ASSEMBLY* From A00 to G00 and P00, refer to 6. Disassembly and assembly.

31NO PARTS CODE PARTS NAME DESCRIPTION Q'TY REMARKA00 3511724960 DOOR AS KOC-154K8S 1B00 PKCPSWF240 CONTROL-PANEL AS KOC-154K8SA2 1C00 3512804140

3212. PRINTED CIRCUIT BOARD CIRCUIT CHECK PROCEDURE1. Low voltage transformer checkThe low voltage transformer is located on the P.C.B.Measuring condi

333. Case of no microwave oscillation1) When touching M/W button, oven lamp turns on and Fan motor and turntable rotate, and cook indicator indisplay

344. Case of no heating of upper grillWhen touching GRILL1 & COMBI button, oven lamp turns on and Fan motor and turntable motor rotate and cookind

357. Case of no stopping of the count down timerWhen the door is opened during operation, the count down timer does not stop.- Check methodPOINTSTATED

3613. P.C.B. CIRCUIT DIAGRAM

37NO NAME LOCATION PART CODE SPECIFICATION Q'TY REMARK1 BUZZER BZ1 3515600100 BM-20K 12 C CERA C1~4,7~13 CCZF1H104Z 50V HIKF 0.1uF Z 113 C CERA C

38NO NAME LOCATION PART CODE SPECIFICATION Q'TY REMARK42 SW RELAY RY1,2 5SC0101122 G5G-1A 1C 1P DC24V 243 SW RELAY RY3~5 5SC0101124 G5G-1A-DT 1C

33. EXTERNAL VIEW2. SPECIFICATIONS* Specifications are subject to change without notice.1. OUTER DIMENSIONMODEL KOC-154K8SPOWER SUPPLY 230V~50Hz, SING

S/M NO. : DAEWOO ELECTRONICS CORP.686, AHYEON-DONG MAPO-GU SEOUL, KOREAC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC”PRINTED D

42. FEATURE DIAGRAM1. DOOR HOOKWhen the door is closed, it will automatically lockshut. If door is opened while oven is operating, themagnetron will i

51. Steady, flat locationThis microwave oven should be set on a steady, flat surface.This microwave oven is designed for counter top use only.2. Leave

65. CONTROL PANEL DISPLAY WINDOW1. MICROWAVE - indicator, showingmicrowaving in progress.2. DEFROST - indicator, showing defrostingin progress.3. GRI

76. DISASSEMBLY AND ASSEMBLY- Cautions to be observed when trouble shooting.Unlike many other appliances, the microwave oven is high-voltage, high-cur

81. To remove cabinet 1) Remove 5 screws on the cabinet back and side.2) Push the cabinet backward.2. To remove door assembly1) Remove two screws whi