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Unique Klasse KOC-1B0K9A27, Руководство по обслуживанию

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Unique Klasse KOC-1B0K9A27 Скачать руководство пользователя страница 37

7. Case of no stopping of the count down timer

When the door is opened during operation, the count down timer does not stop.

POINT

STATE

DOOR OPEN

DOOR CLOSED

A

OPEN

CLOSE

B

+5V DC

GND

B

A

CHECK NO

METHOD

REMEDY

1

Check the stage(ON,OFF) of the door open 

Replace door open monitor swith.

monitor switch by resistance measurement.

36

Содержание KOC-1B0K9A27

Страница 1: ...Service Manual Microwave Oven Convection Grill KOC 1B5K SEP 2008 ...

Страница 2: ...justed components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or adjusted by procedures described in this manual before the oven is released to the owner e A microwave leakage check to verify compliance with the Federal performance standard should be performed on each oven prior to release to the owner TABLE OF CONTENTS 1 SAFETY A...

Страница 3: ...r to servicing the oven 2 If any certified oven unit is found to servicing a microwave emission check should be performed prior to servicing the oven a inform the manufacturer importer or assembler b repair the unit at no cost to the owner c attempt to ascertain the cause of the excessive leakage d tell the owner of the unit not to use the unit until the oven has been brought into compliance 3 If ...

Страница 4: ...MBINATION HEATING POWER CONSUMPTION 1600W OUTSIDE DIMENSIONS WXHXD CAVITY DIMENSIONS WXHXD 368 5X376 5X246mm 14 5X14 8X9 7inch NET WEIGHT Approx 20 5kg 45 2 lbs TIMER 60 minutes POWER SELECTIONS 10 level KOC 1B0K9A27 1B4K9A27 560X543X344mm 22 0X21 3X13 5inch KOC 1B5K9A27 560X537 5X344mm 22 0X21 2X13 5inch Specifications are subject to change without notice 3 EXTERNAL VIEW 3 1 OUTER DIMENSION KOC 1...

Страница 5: ...P HEATER Turns on when convection grill and combi cooking is selected 5 OVEN LAMP Automatically turns on during oven operating 6 SAFETY INTERLOCK SYSTEM 7 CONTROL PANEL 8 TURNTABLE TRAY Rotates during cooking and ensure even distribution of Microwaves It can also be used as a cooking utensil 9 OVEN FRONT PLATE 10 COUPLER This fits over the shaft in the center of the ovens cavity floor This is to r...

Страница 6: ...ce This microwave oven requires a current of approximately 13 amperes 120V 60Hz Power supply cord is about 0 8 meters long 1 A short power supply cord is provided to reduce the risks resulting from becoming entangled in or tripping over a longer cord 2 Longer cord sets or extension cords are available and may be used if care is exercised in their use 3 If a long cord or extension cord is used 1 Th...

Страница 7: ...ok Press to select auto cook menu 13 Cake Press to select cake menu 14 More Use to add time to cooking 15 Less Use to reduce time from cooking 16 Stop Clear Press once to stop a program and twice to cancel a program 17 Start Speedy Cook Press to start a program also for speedy cook each press adds 30 seconds to microwave cooking time 18 Dial knob button Use to decied the selected mode DISPLAY LED ...

Страница 8: ...nning repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation has stopped electric charge remains in the high voltage capacitor When replacing or checking parts short between oven chassis and the negative high terminal of the high voltage capacitor by using a properly insulated screwdriver to discharge 4 When the 15A fuse is blown out ...

Страница 9: ...d 2 To remove guide wind assembly 1 Remove two screws which secure the stopper hinge top 2 Remove the door assembly from top plate of cavity 3 Reverse the above for assemby NOTE After replacting the door assembly perform a check of correct alignment with the hinge and cavity front plate ...

Страница 10: ...04 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 2 A05 3517001100 BARRIER SCREEN O SEALING AS KOC 1B5K9S 1 A06 3515204900 STOPPER HINGE T AS KOC 1B4K0S 1 A07 3516602100 DOOR PLATE SBHG 1A T0 7 1 A08 3513101200 HOOK POM 1 A09 3515101800 SPRING HOOK PW1 1 A10 3512302300 GASKET DOOR PRT 1 A11 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 2 A12 3511618600 DECORATOR BADGE NI 70MM 1 3 To remove door parts KOC...

Страница 11: ...he spring A09 and the hook A08 9 Reverse the above steps for reassembly 4 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 hinge top and then push the door to contact the door seal to oven front surface Tighten two screws 2 To reduce gap located on part B Loosen two screws on stopper hinge under and then push t...

Страница 12: ...the above steps for reassembly KOC 1B5K REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK B01 3515501820 WINDOW DISPLAY PMMA 1 B02 3516724160 C PANEL ABS SG 0760D SG 175 1 B03 3516908390 BUTTON FUNCTION A ABS SG 175 SG 0760D 1 B04 3516908490 BUTTON FUNCTION B ABS SG 175 SG 0760D 1 B05 3513406090 KNOB VOLUME ABS SG 175 SG 0760D 2 B06 3511605170 DECORATOR RING ABS SG 175 SG 0760D COATING 2 B07 3513...

Страница 13: ...r normally closed Magnetron antenna MAGNETRON Metallic gasket plate Cooling fin Filament terminal 6 To remove high voltage capacitor 1 Remove a screw which secure the grounding ring terminal of the H V diode and the capacitor holder 2 Remove the H V diode from the capacitor holder 3 Reverse the above steps for reassembly High voltage circuit wiring 7 To remove magnetron 1 Remove a screw which secu...

Страница 14: ...e assembly 3 Pull the fan from the motor shaft 4 Remove two screws which secure the motor shaded pole 5 Remove the motor shaded pole 6 Reverse the above steps for reasembly 9 To remove H V transformer 1 Remove four screws holding the H V transformer 2 Remove the H V transformer 3 Reverse the above steps for reassembly ...

Страница 15: ...rom Cover heater t 7 Remove Heater miraclon from Cover Heater t REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 1 7S312X40A1 SCREW TAPPING T1 TRS 4 10 MFZN 1 2 3512520500 GUIDE AIR OUTLET SA1D 80 T0 5 1 3 3513302800 INSULATOR HEATER T SECC T0 5 1 4 7S312X40A1 SCREW TAPPING T1 TRS 4 10 MFZN 2 5 3512767000 HARNESS HEATER KOC 1B0K0S 1 6 3510607700 BRACKET HEATER T SA1D 80 T0 5 1 7 3512803820 HEATE...

Страница 16: ...p 4 Detach Lamp from Holder lamp as 5 Pull out Cover lamp from Cover lamp 6 Reverse the above steps for reassembly REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 1 3511407800 COVER LAMP STS430 T0 5 1 2 3513602600 LAMP HALOGEN 120V 20W 1 3 3513003910 HOLDER LAMP AS KOC 1B0K5A 1 4 7112401011 SCREW TAPPING T1 TRS 4 10 MFZN 1 5 3511407810 COVER LAMP T GLASS T2 0 1 ...

Страница 17: ...y REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 1 7S312X40A1 SCREW TAPPING T1 TRS 4 10 MFZN 2 2 3511407300 COVER MOTOR B SA1D 80 T0 5 1 3 7S312X40A1 SCREW TAPPING T1 TRS 4 10 MFZN 2 4 3511407400 COVER B SA1D 80 T0 5 1 5 3512766900 HARNESS CONVEC B KOC 1B0K0S 1 6 3512803820 HEATER MIRACLON 60V 550W 2 7 3511407700 COVER HEATER B SA1D 80 T0 5 1 8 7113400814 SCREW TAPPING T1 BIN 4X8 MFNI 1 9 7400...

Страница 18: ...assembly 4 Remove a screw 5 Pull out Heater U from Cover heater u 6 Reverse the above steps for reassembly CUTTING 6EA 1 2 3 4 5 REF NO PART CODE PART NAME DESCRIPTION Q TY REMARK 1 7S312X40A1 SCREW TAPPING T1 TRS 4 10 MFZN 1 2 3511407500 COVER HEATER U STS430 T0 5 1 3 3515304000 SUPPORTER HEATER U STS430 T0 5 1 4 3512805100 HEATER U 120V 400W 1SOPE4543002 1 5 7113400814 SCREW TAPPING T1 BIN 4X8 M...

Страница 19: ... closed the hook pushes the lock lever downward The lock lever presses the button of the interlock monitor switch to bring it under OFF condition and presses the button of the secondary interlock switch to bring it under ON condition 3 Adjustment steps a Loosen the one mounting screw b Adjust interlock switch assembly position c Make sure that lock lever moves smoothly after adjustment is complete...

Страница 20: ...n of the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed COM NC Check continuity of both primary and secondary interlock switch with door closed Malfunction of Interlock monitor switch Malfunction of interlock switch RESULT Continuity No continuity CAUSE REMEDY Replace COM NC Fuse blows Replace Shorted conta...

Страница 21: ...ust for adjustment instructions 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 CHECK Check continuity of primary interlock switch Malfunction of primary interlock switch RESULT No continuity CAUSE REMEDY Adjust or replace Turn table motor and oven lamp do not turn on Check D C voltage be...

Страница 22: ...ads to magnetron terminal and magnetron body Continuity Defective magnetron 2 1 Check resistance of primary and secondary coil of high voltage transformer 0 Ωor Defective high voltage transformer Replace Check continuity of high voltage fuse No microwave oscillation No continuity 2 Check continuity of magnetron heater with wires removed No continuity Defective magnetron Replace 1 Check continuity ...

Страница 23: ...ce Check continuity of heater Defective heater No continuity Replace TROUBLE 5 1 Convection heater is not heated food will not become hot 2 Convection fan motor does no rotate CONDITION CHECK Check continuity of primary interlock switch Malfunction of primary Interlock switch RESULT No continuity Adjust or replace 1 Convection heater is not heated 2 Convection fan does not rotate Check D C voltage...

Страница 24: ...nction of sub pcb assembly RESULT Normal CAUSE REMEDY Replace sub pcb assembly Display does not show programming at all even if keyboard is touched TROUBLE 7 The following visual conditions indicate a probable defective touch control Circuit or button P C B assembly 1 Incomplete segments 1 segment missing 2 partial segments missing 3 digit flickering other than normal fluorescent slight flickering...

Страница 25: ... of thermistor resistance of thermistor Defective thermistor RESULT 0Ω or infinite Replace ERROR 2 ERROR 3 come on display Check continuity of heater convection upper lower Defective touch control circuit Replace Approx 200k 300kΩ room temperature Defective heater No continuty continuity Replace ...

Страница 26: ...for the water temperature to attain 20ºC 2ºC is measured The oven is then switched off and the final water temperature is measured within 60s NOTE 1 The water stirred is before its temperature is measured NOTE 2 Stirring and measuring devices are to have a low heat capacity 4 The microwave power output is calculated from the formula where P is the microwave power output in watts mW is the mass of ...

Страница 27: ...net door seem door viewing screen the exhaust air vents and the suction air vents 3 Measuring should be in a counter clockwise direction at a rate of 1 in sec If the leakage of the cabinet door seem is unknown move the probe more slowly 4 When measuring near a corner of the door keep the probe perpendicular to the areas making sure the probe end at the base of the cone does not get closer than 2 i...

Страница 28: ...reading Meter with 6V 9V or higher voltage batteries should be used to check the front back resistance of the diode otherwise an infinite resistance may be read in both directions A normal diode s resistance will be infinite in one direction and several hundred kΩ in the other direction 4 Magnetron For complete magnetron diagnosis refer to Measurement of the Microwave Power Output Continuity check...

Страница 29: ...ODE COMBI 4 COMBI 5 CONVECTION100 130 CONVECTION140 150 CONVECTION160 250 ONE CAKE BREAD TOUCH CRUSTY ROAST BEEF ROAST CHICKEN ROAST PORK BAKED FISH AUTO BAKED POTATO MODE ROAST POTATO FRESH VEGETABLES FROZEN VEGETABLES CASSEROLE MAGNE TRON UPPER ELEMENT LOWER ELEMENT REAR ELEMENT CONVEC TION FAN ...

Страница 30: ...29 10 WIRING DIAGRAM ...

Страница 31: ...30 1 DOOR ASSEMBLY Refer to 6 Disassembly and assembly 2 CONTROL PANEL ASSEMBLY Refer to 6 Disassembly and assembly 3 TOTAL ASSEMBLY 11 EXPLODED VIEW AND PARTS LIST ...

Страница 32: ... MOTOR SYNCRO 120V 60HZ 2W KX63MQ2AD 1 F18 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F19 3517401900 COUPLER PTFE 1 F20 3511408300 COVER WAVE GUIDE MICA 1 F21 3516112200 CAVITY AS KOC 1B0K0S 1 F22 7122401211 SCREW TAPPING T2S TRS 4X12 MFZN 1 F23 3518002900 MAGNETRON 2M218J F P 1 F24 3516004000 SPECIAL SCREW T2 BOLT FLANGE 5X12 DACRO 1 F25 3513817000 LOCK PP 1 F26 3513702100 LEVER SW MICRO POM KOG...

Страница 33: ...1 F63 3518904400 THERMOSTAT OFF 120 ON 60 VN 187 1 F64 7S312X40A1 SCREW SPECIAL T1 TRS 4X10 SE MFZN 4 3510803330 PCM T0 6 SV1401C KOC 1B0K9A27 F65 3510803320 CABINET PCM HL 1 KOC 1B4K9A27 3510805100 KOC 1B2K0S KOC 1B5K9A27 F66 7121400611 SCREW TAPPING T2S PAN 4X6 MFZN 1 F67 7S312X40A1 SCREW SPECIAL T1 TRS 4X10 SE MFZN 2 F68 3513302800 INSULATOR HEATER T SECC 1 F69 3512520500 GUIDE AIR OUTLET SA1D ...

Страница 34: ...ge 2 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must be measured with GND points The marks of the above corresponding voltage 5V 24V are written on the PCB Terminal 6 7 8 9 9 10 Voltage olad AC 17 0 V AC 1 3 V AC 1 3 V Voltage no load AC 19 9 V AC 1 6 V AC 1 6 V NO CHECK POINT REMARK 1 IC1 PIN 63 64 5VDC 5 2 IC1 PIN 38 3 IC1 PIN 33 OR 34...

Страница 35: ...le does not rotate but cook indicator in display comes on Cause RELAY 1 does not operate 3 When touching M W button fan motor does not rotate but turntable rotates oven lamp turns on and cook indicator in display comes on Cause RELAY 5 does not operate STATE RELAY 1 ON RELAY 1 OFF POINT A 5V DC GND POINT B GND 24V DC STATE RELAY 4 ON RELAY 4 OFF POINT A 5V DC GND POINT B GND 24V DC STATE RELAY 5 O...

Страница 36: ...n motor and turntable rotate and cook indicator in display comes on Cause RELAY 7 does not operate 6 Case of no heating of convection grill When touching CONVECTION button oven lamp turns on and Fan motor and turntable rotate and cook indicator in display comes on Cause RELAY 3 does not operate STATE RELAY 2 ON RELAY 2 OFF POINT A 5V DC GND POINT B GND 24V DC STATE RELAY 7 ON RELAY 7 OFF POINT A 5...

Страница 37: ... opened during operation the count down timer does not stop POINT STATE DOOR OPEN DOOR CLOSED A OPEN CLOSE B 5V DC GND B A CHECK NO METHOD REMEDY 1 Check the stage ON OFF of the door open Replace door open monitor swith monitor switch by resistance measurement 36 ...

Страница 38: ...37 13 P C B CIRCUIT DIAGRAM A B ...

Страница 39: ...6 RESISTOR R2 R5 R13 R20 1 6W 1K Ohm 5 RD AZ102J 4 27 RESISTOR R6 1 6W 200 Ohm 5 RD AZ201J 1 28 RESISTOR R3 1 6W 1M Ohm 5 RD AZ105J 1 29 RESISTOR R16 1 6W 4 7K Ohm 5 RD AZ472J 1 30 RESISTOR R22 1 6W 47K Ohm 5 RD AZ473J 1 31 RESISTOR R15 1 4W 1K Ohm 5 RD 4Z102J 1 32 RESISTOR R19 1 2W 270 Ohm 5 RD 2Z271JS 1 33 RESISTOR R21 1 2W 27 Ohm 5 RD 2Z270JS 1 34 RESISTOR R17 1 2W 200 Ohm 5 RD 2Z201JS 1 35 RES...

Страница 40: ...13 P C B CIRCUIT DIAGRAM 39 ...

Страница 41: ...5 RD AZ473J 1 31 RESISTOR R19 1 4W 1K Ohm 5 RD 4Z102J 1 32 RESISTOR R23 1 2W 270 Ohm 5 RD 2Z271JS 1 33 RESISTOR R24 1 2W 27 Ohm 5 RD 2Z270JS 1 34 RESISTOR R21 R22 1 2W 200 Ohm 5 RD 2Z201JS 2 35 RESISTOR R10 1 4W 301K Ohm 1 RN 4Z3013F 1 36 RESISTOR R11 1 4W 10K Ohm 1 RN 4Z1002F 1 37 RESISTOR R12 1 4W 120K Ohm 1 RN 4Z1203F 1 38 RESISTOR ARRAY RA1 7P 6 1 8 100K 5 RA 87X104J 1 39 RESISTOR ARRAY RA2 RA...

Страница 42: ...S M NO DAEWOO ELECTRONICS CORP 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Sep 2008 ...

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