Unique Klasse KOC-1B5K Service Manual

Service ManualMicrowave Oven, Convection & GrillKOC-1B0KS/M No. : G867T9A001MAY. 2007

A01A02A03A04A05A06A07A08A09A103. To remove door parts.- KUC-1B0KREF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKA01 3512204700 FRAME DOOR PC 1A02

101) Remove the gasket door(A09) from door seal as(A01).2) Remove the door frame (A04) from door seal as(A01).3) Remove the stopper hinge top(A08) fro

145. To remove control panel parts.- KUC-1B0KREF NO. PART CODE PART NAME DESCRIPTION Q’TY REMARKB01 3511605000 DECORATOR C-PANEL ABS XR-401 H-2938

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. 9. To remove H.V.transformer.1) Remove four screws holding the H.V.transformer.2) Remove the H.V.transformer.3) Re

1410. To remove Top heater assembly parts. 1) Remove a screw which secure the wind guide assembly.2) Pull out Guide air outlet.3) Remove two screwswh

1511. To remove Lamp assembly parts. 1) Pull out the Lamp assembly.2) Remove a screwwhich secures Holer Lamp Assembly.3) Pull out Lampand Holder lamp

1612. To remove Rear heater assembly parts. 1) Remove a screw and pull out Cover motor *B .2) Remove a screwand pull out Cover *B .3) Pull out the Har

1713. To remove Motor Synchro and Under heater assembly parts. 1) Cut the Motor syncro cover parts from the base plate.2) Remove a screw and pull out

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

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

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

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)Defectivetherm

259. MEASUREMENT AND TEST1. MEASUREMENT OF THE MICROWAVE POWER OUTPUT Microwave output power can be checked by indirectly measuring the temperature ri

262. MICROWAVE RADIATION TESTPROCEDURE1. Prepare Microwave Energy Survey Meter, 600cc glass beaker,and glass thermometer 100C (212 F).2. Pour 275cc 1

273. COMPONENT TEST PROCEDURE High voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle. It is nei

284. COMPONENT ACTIONCOOKING MODEM/WGRILL-1GRILL-2GRILL-3COMBI-1COMBI-2MANUALCOMBI-3MODECOMBI-4COMBI-5CONVECTION100~130CONVECTION140~150CONVECTION160~

1. PROPER USE AND SERVICE PRECAUTIONS1. FOR SAFE OPERATIONDamage that allows the microwave energy (that cooks or heats the food) to escape will result

2910. WIRING DIAGRAM

301. DOOR ASSEMBLY Refer to 6. Disassembly and assembly.2. CONTROL PANEL ASSEMBLY Refer to 6. Disassembly and assembly.3. TOTAL ASSEMBLY11. EXPLODED V

31NO PART CODE PART NAME DESCRIPTION Q'TYA00 3511714000DOOR ASKOC-1B0K0S1 KOC-1B0K9A273511714070 KOC-1B4K9A KOC-1B4K9A27B00 PKCPSWLG40CONTROL-P

32NO PART CODE PART NAME DESCRIPTION Q'TYF41 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 4 F42 3963513010 MOTOR SHADED POLE 120V 60HZ MW10XA-T03

3312. PRINTED CIRCUIT BOARD (KOC-1B0K9A27)CIRCUIT CHECK PROCEDURE1. Low voltage transformer checkThe low voltage transformer is located on the P.C.B.M

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

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

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

3713. P.C.B. CIRCUIT DIAGRAMAB

42NO NAME SYMBOL SPECIFCATION PART CODE Q'TY1 PCB MAIN M223 95.5 X 197 3514322300 12 PCB SUB M224 90 X 197 3514322310 13 BUZZER BZ1 B

3. EXTERNAL VIEW1. OUTER DIMENSION3Fig. 1 Front view Fig. 2 Side view- KOC-1B0K2. SPECIFICATIONSPOWER SUPPLY 120V AC 60Hz, SINGLE PHASE WITH GROUNDING

4312. PRINTED CIRCUIT BOARD (KOC-1B4K9A27)CIRCUIT CHECK PROCEDURE1. Low voltage transformer checkThe low voltage transformer is located on the P.C.B.M

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

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

467. Case of no stopping of the count down timerWhen the door is opened during operation, the count down timer does not stop.POINTSTATEDOOR OPENDOOR C

4713. P.C.B. CIRCUIT DIAGRAM

48NO NAME SYMBOL SPECIFCATION PART CODE Q'TY1 PCB MAIN M231 95.5 X 197 3514322720 12 PCB SUB M232 88 X 197 3514322730 13 BUZZER BZ1 BM-20K 35156

41. DOOR SEALDoor seal maintains the microwave energy within the oven cavity and prevents microwave leakage.2. DOOR HOOKWhen the door is closed, it wi

1. Steady, flat location.This microwave oven should be set on a steady, flat surface.2. Leave space behind and side.All air vents should be kept a cle

65. CONTROL PANEL %AutodefrostLanguageClockMoreLessCake Crusty Auto cookMemory(Barbecue)Stop/ClearStart/Speedy CookTimeWeightQuantityM/WCombiConvectio

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