Model : koc-910k0p(al) s/m no : c910k0pal2 mar . 2005 caution : in this manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to ppl(parts price list) in service information center. Microwave ove...
1 precautions to be observed before and during servicing to avoid possible exposure to excessive microwave energy (a) do not operate or allow the oven to be operated with the door open. (b) make the following safety checks on all ovens to be serviced before activating the magnetron or other micro- w...
2 safety and precautions 1. For safe operation damage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cooking and may cause serious bodily injury to the operator. If any of the following conditions exist, operator must not use the appliance. (only a trai...
3 model koc-910k0p koc-911k9p power supply 127v~60hz, single phase with eartming microwave 1550w power grill 1600w consumption convection 2300w combination 3000w microwave energy output 1000w (iec705) microwave frequency 2450mhz outside dimensions (w x h x d) 542 x 329 x 515 mm (21.3 x 13.0 x 20.3 i...
4 external view 1. Outer dimension • • koc-910k 542 515 329 542 526 329 • • koc-911k.
5 14 1 7 8 13 10 12 3 2 4 5 6 11 9 1. Door hook when the door is closed, it will automatically lock shut. If door is opened while oven is operating, the magnetron will immediately stop operating. 2. Door viewing screen allows viewing of food. The screen is designed so that light can pass through, bu...
6 1 2 3 4 8 9 r e y o s d a p i u w t 0 q 5 6 7 display window 1. Microwave - indicator, showing microwaving in progress. 2. Defrost - indicator, showing defrosting in progress. 3. Grill(upper grill heater) - indicator, showing grilling in progress. 4. Grill(lower grill heater) - indicator, showing ...
7 1 2 3 4 9 q e t u p d s f a o i y r w 0 5 6 7 8 display window 1. Microwave - indicator, showing microwaving in progress. 2. Defrost- indicator, showing defrosting in progress. 3. Grill(upper grill heater) - indicator, showing griling in progress. 4. Grill(lower grill heater) - indicator, showing ...
8 earthing instructions installation 1. Steady, flat location. This microwave oven should be set on a steady, flat surface. This microwave oven is designed for counter top use only. 2. Leave space all air vents should be kept a clearance. If all vents are covered during operation, the oven may overh...
9 disassembly and assembly cautions to be observed when trouble shooting. Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safe during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible d...
10 1. To remove cabinet 1) remove four screws on cabinet back. 2) push the cabinet backward. 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 assembly. Note : after replacing the d...
11 (1) remove the gasket door from door plate. (2) remove screws from door plate. (3) remove the door frame from door plate. (4) remove the stopper hinge top from door plate. (5) remove the spring and the hook. (6) remove the handle door and barrier screen outer from door frame. (7) reverse the abov...
12 (koc-911k) ref no. Part code part name description q’ty remark a01 3512603610 handle door pc 1 a02 3512204810 frame door pc 1 a03 3517117100 barrier-screen*o temp glass t3.2 1 a04 3515204900 stopper hinge*t as koc-1b0k0s 1 a05 3512302400 gasket door pbt 1 a06 7122400811 screw tapping t2s trs 4x8 ...
13 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 s...
14 (1) remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assembly. (2) remove four screws(b06) which secure the pcb main ass’y. (3) pull out the main pcb assembly(b07). (4) remove eight screws(b08) which secure the pcb sub ass’y. (5) pull out t...
15 (1) remove the screw which secure the control panel, push up two snap fits and draw forward the control panel assembly. (2) remove four screws(b06) which secure the pcb main ass’y. (3) pull out the main pcb assembly(b07). (4) remove eight screws(b08) which secure the pcb sub ass’y. (5) pull out t...
16 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) remov...
17 8. To remove wind guide assembly. 1) remove a screw for earthing. 2) remove a screw which secure the wind guide assembly. 3) draw forward the wind guide assembly. 4) pull the fan from the motor shaft. 5) remove two screws which secure the motor shaded pole. 6) remove the motor shaded pole. 7) rev...
18 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) pull out the lamp assembly. 4) remove two screws 6 pull out the lamp assembly. 5) pull out the holder lamp assembly 7 from the cover lamp 5 . 6) pull out the lamp 8 from the holder...
19 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) pull out the top heater assembly. 4) pull out the harness heater 5 . 5) pull out the braket heater *t from the cover heater *t 8 . 6) pull out the heater miraclon 7 from the cover ...
20 1) remove a screw 1 and pull out cover motor *b 2 . 2) remove a screw 3 and pull out cover *b 4 . 3) pull out the harness convection-b 5 . 4) remove four screws t and then pull out the rear heater assembly. 5) remove a nut q and the pull out the fan convection 0 and washer plain 9 . 6) remove thr...
21 1) cut the motor syncro. Cover parts from the base plate. 2) remove a screw and then pull out motor syncro. 3) remove a screw 1 and then pull out the under heater *u. Assembly. 4) remove a screw 5 . 5) pull out the heater *u 4 from the cover heater *u 2 . 6) reverse the above steps for reassembly...
22 interlock mechanism and adjustment the door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) primary interlock sw...
23 (trouble 1) oven does not operate at all ; any inputs can not be accepted. Trouble shooting guide following the procedure below to check if the oven is defective or not. 1. Check grounding before trouble checking. 2. Be careful of the high voltage circuit. 3. Discharge the high voltage capacitor....
24 condition check check continuity of magnetron defective magnetron result no continuity cause remedy replace outlet has proper volt- age fuse does not blow? Condition check check continuity of primary inter- lock switch malfunction of primary interlock switch result no continuity cause remedy adju...
25 (trouble 3) no microwave oscillation even though fan motor rotates. Condition check result check continuity of high voltage capacitor terminals with wires removed continuity cause defective high voltage trans- former remedy 1 no microwave oscillation check continuity of high voltage rectifier in ...
26 cause remedy (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 he...
27 (trouble 6) lower heater is not heated; food will not become hot. Condition check check continuity of primary interlock switch malfunction of primary interlock switch result no continuity cause remedy adjust or replace lower heater is not heated. Check d.C voltage being supplied to relay (ry7) co...
28 cause remedy (trouble 8) when “error 2” or “error 3” come on display. Condition check check continuity of thermistor (resistance of thermistor) defective thermistor result 0 Ω or infinite replace “error 2 or error 3” come on dis- play check continuity of heater (convection, upper, lower) defectiv...
29 measurement and test 1. Measurement of the microwave power output microwave output power can be checked by indirectly measuring the temperature rise of a certain amount of water exposed to the microwave as directed below. Procedure 1. Microwave power output measurement is made with the microwave ...
30 2. Microwave radiation test procedures 1. Prepare microwave energy survey meter, 600cc glass beaker, and glass thermometer 100˚c(212˚f). 2. Pour 275cc±15cc of tap water initially at 20±5˚c(68±9˚f) in the 600cc glass beaker with an inside diameter of approx. 95mm(3.5in.). 3. Place it at the center...
31 3. Component test procedure • high voltage is present at the high voltage terminal of the high voltage transformer during any cooking cycle. • it is neither necessary nor advisable to attempt measurement of the high voltage. • before touching any oven components or wiring, always unplug the oven ...
32 4. Component action cooking mode m/w grill-1 grill-2 grill-3 combi-1 combi-2 manual combi-3 mode combi-4 combi-5 convection100~130 convection140~150 convection160~250 one cake/bread touch crusty roast beef roast chicken roast pork auto baked fish mode baked potato roast potato fresh vegetables fr...
33 yw : yellow br : brown : off cook door : closed condition cm : convection fan motor [ ol : oven lamp fm : fan motor rd : red wh : white bk : black bl : blue ] ge : green/yellow gn : green ttm : turntable motor note : ttm fm secondary primary interlock interlock monitor switch transformer h.V. Dio...
34 1. Door assembly refer to disassembly and assembly. 2. Control panel assembly refer to disassembly and assembly. 3. Total assembly exploded view and parts list a00 b00 f01 f03 f04 f18 f19 f14 f05 f06 f07 f08 f31 f34 f33 f32 f28 f27 f26 f24 f23 f17 f16 f30 f29 f11 f10 f09 f13 f12 f15 f44 f45 f46 f...
35 no part code part name description q'ty a00 3511714500 door as koc-910k0p 1 a00 3511714510 door as koc-911k9p 1 b00 pkcpswym00 control panel as koc-910k0p 1 b00 pkcpswyn00 control-panel as koc-911k9p 1 f01 3515202800 stopper hinge *u as kor-121m0a 1 f02 7172400811 screw taptite tt3 trs 4 x 8 mfzn...
36 no part code part name description q'ty f34 7400504211 washer plain pw-5-5 brass 1 f35 7113400814 screw tapping t1 bin 4 x 8 mfni 3 f36 3512766800 harness convection-a koc-1b0k0s 1 f37 3511407700 cover heater*b sa1d t0.5 1 f38 3513302900 insulator heater*b sa1d t0.5 1 f39 7113400814 screw tapping...
37 no part code part name description q'ty f73 3517202611 tray rack as koc-961c0s 117mm 1 f74 3517202601 tray rack as koc-961c0s 27mm 1 f75 3517205200 tray metal spp t0.6 1 f76 3512521000 guide roller as koc-1b0k0s 1 f77 3516003700 special screw tt3 hex 4x8 flg mfzn 2 f78 3514801400 sensor temperatu...
38 printed circuit board circuit check procedure 1. Low voltage transformer check the low voltage transformer is located on the p.C.B. Measuring condition: input voltage: 127v / frequency: 60hz 2. Voltage check - key check point - check method note 1. Secondary side voltage of the low voltage transf...
39 3. Case of no microwave oscillation 1) when touching m/w button, oven lamp turns on and fan motor and turntable rotate, and cook indicator in dis- play comes on. *cause: relay 1 does not operate. 2) when touching m/w button, oven lamp does not turn on and turntable motor does not rotate but cook ...
40 4. Case of no heating of upper grill when touching grill1 & combi button, oven lamp turns on and fan motor and turntable rotate, and cook indica- tor in display comes on. *cause: relay 2 does not operate. 5. Case of no heating of lower grill when touching grill2 & combi button, oven lamp turns on...
41 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 cn1 d8 r18 r17 c8 b +5v 1 2 a d.O.M sw 35313-0210 1n4148 1k 10k 53 104z check no method remedy check the stage(o...
42 p.C.B. Circuit diagram.
43 no name symbol specifcation part code q'ty 1 buzzer bz1 bm-20k 3515600100 1 2 capacitor ceramic c2,c8~c15 104 50v z axial cczf1h104z 9 3 capacitor ceramic c1 102 50v z axial cczb1h102k 1 4 capacitor array ca1 6p(5) 1000pf 50v cn5xb-102m 1 5 capacitor electro ec1 50v rs 10µf cexe1h100a 1 6 capacit...
44 no name symbol specifcation part code q'ty 41 resonator ceramic cr1 crt4.00ms 5p4r00mts- 1 42 sw relay ry1~ry3 g5g-1a-dt 24v 5sc0101124 3 43 sw relay ry4~ry7 cs11-24sh 5sc0101129 4 44 transistor q1,q5 kta1266y auto tzta1266y- 2 45 transistor q6,q7,q13,q15 ktc3198gr auto tztc3198gr 4 46 transistor...
686, ahy e on-dong , map o-g u, s e oul, k or e a. C .P .O. B ox 8003 s e oul k or e a p r inte d date : mar 2005 dae woo e le c tr onic s c or p ..
