Daewoo KOC-1B4K9SA1 Wartungshandbuch

Service ManualMicrowave OvenModel: KOC-1B4K9R43S/M No. : Dec. 2008✔ Caution: In this Manual, some parts can be changed for improving,their performance

(1) Remove the gasket door from door seal as.(2) Remove the door frame from door seal as.(3) Remove the stopper hinge top from door seal as.(4) Remove

104. Method to reduce the gap between the door seal and the oven front surface.(1) To reduce gap located on part ‘A’.• Loosen two screws on stopper hi

115. To remove control panel parts.(1) Remove four screws(B11) which secure the control panel.(2) Pull out the Main PCB assembly(B10).(3) Remove seven

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 Lamp assembly parts.1) Remove a screw 1 and pull out Guide air outlet 2.2) Remove two screws 4 and pull out insulator heater *t 3.3) P

151) Remove a screw 1and pull out Guide air outlet 2.2) Remove two screws4and pull out insulator heater *t3.3) Pull out the Top heater assembly.4) Pul

161) Remove a screw 1and pull out Cover motor *B 2.2) Remove a screw 3and pull out Cover *B 4.3) Pull out the Harness convection-B 5.4) Remove four sc

171) Cut the Motor syncro. Cover parts from the base plate.2) Remove a screw and then pull out Motor syncro.3) Remove a screw1and then pull out the Un

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 275c

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/WGRILL-1GRILL-2GRILL-3COMBI-1COMBI-2MANUAL COMBI-3MODE COMBI-4COMBI-5CONVECTION100~130CONVECTION140~150CONVECTION

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 11-1. DOOR ASSEMBLY Refer to 6. Disassembly and assembly.11-2. CONTROL PANEL ASSEMBLY Refer to 6. Disassembly and a

31A00 3511714060 DOOR AS KOC-1B4K5S OMEGA 1B00 PKCPSWAD30 CONTROL PANEL AS KOC-1B4K5S OMEGA 1F01 3515202800 STOPPER HINGE *U AS KOR-121M0A 1F

32F35 7400504011 WASHER PLAIN PW-5-5-MFZN 1F36 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 3F37 3512766800 HARNESS CONVECTION-AKOC-1B0K0S 1F38 351

33F73 3512767000 HARNESS HEATER KOC-1B0K0S 1F74 7112401011 SCREW TAPPING T1 TRS 4X10 MFZN 1F75 3514801400 SENSOR TEMPERATURE PTM-K312 1F76 351

3412. PRINTED CIRCUIT BOARD CIRCUIT CHECK PROCEDURE1. Low voltage transformer checkThe low voltage transformer is located on the P.C.B.Measuring condi

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

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

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

3813. P.C.B. CIRCUIT DIAGRAM

33. EXTERNAL VIEW2. SPECIFICATIONS3-1. OUTER DIMENSIONMODEL KOC-1B4K9R43POWER SUPPLY 240V-50Hz,SINGLE PHASE WITH EARTHINGMICROWAVE 1500 WPOWER GRILL

39NO NAME SYMBOL SPECIFCATION PART CODE Q’TY REMARK1 PCB MAIN M231 95.5 X 197 3514322720 12 PCB SUB M232 88 X 197 3514322730 13 BUZZER BZ1

40NO NAME SYMBOL SPECIFCATION PART CODE Q’TY REMARK42 SW RELAY RY2,RY3 G5G-1A-DT 24V 5SC0101124 2" (OZF-S-124LM1P) 5SC0101117 243 SW RELAY RY4~

S/M NO. : DAEWOO ELECTRONICS CORP.1-2, Jeo-dong 1(il)-ga, Jung-gu, Seoul, KoreaC.P.O. BOX 8003 SEOUL, KOREATELEX: DWELEC K28177-8CABLE: “DAEWOOELEC”PR

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41 DOOR HOOK - When the door is closed, it will automatically lock shut. If door is opened while oven isoperating, the magnetron will immediately sto

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%More Less Clock LanguageMemory CakeM/WGRILLCOMBICONVECTIONAUTO DEFROSTSTOP/CLEARSTART/SPEEDY COOKCrusty Auto CookTimeWeightQuantityD

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 three screws on cabinet back.2) Push the cabinet backward.2. To remove door assembly1) Remove two screws which secure