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Daewoo KOG-366T0S, Руководство по обслуживанию, Страница: 36 / 56

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35

NOTE 1 :

All these switches must be replaced at the same time, please refre to page 17 and 18 for
adjustment instructions

(TROUBLE3) Display shows all figures selectdd, but oven does not start cooking, even though

desired program and time are set and start button is tapped.

Check

Result

Cause

Remedy

Replace 

Check continuity
both magnetron
and heater
thermostat

Condition

Outlet has
proper Voltage
Fuse does not
open 

No
Continuity

Defective
magnetion and
heater
thermostat

Replace 

Check continuity
of noise filter
board

No
Continuity

Defective line
filter borard

Replace 

Check continuity
of power supply
cord.

No
Continuity

Open power
supply cord

Replace 

Normal

Defective touch
control circuit

Check

Result

Cause

Remedy

Check continuity
of promary
interlock switch

Condition

Turn table
motor and fan
moter and
oven lamp do
not turn on

No
Continuity

Malfunction of
Primary
interlock switch

Adjust or

replace

Adjust or

replace

Check continuity
of secondary
interlock and
D.O.M. switch

No
Continuity

Malfunction of
secondary
interlock and
D.O.M switch

Replace 

Check D.C.
voltage being
supplied to
RELAY(RY2) coil.

0V

Defective touch
control circuit

Replace 

Approx. 
-16V DC

Faulty contacts
of RELAY
(RY2) 
open relay coil

Содержание KOG-366T0S

Страница 1: ...Service Manual Microwave Oven Model KOG 366T0S DAEWOOELECTRONICS CO LTD OVERSEASSERVICEDEPT...

Страница 2: ...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 microwav...

Страница 3: ...broken door viewing screen 3 A broken front panel oven cavity 4 A loosened door lock 5 A broken door lock The door gasket plate and oven cavity surface be kept clean No grease soil or spatter should b...

Страница 4: ...MICROWAVE ENERGY OUTPUT 800 W IEC 705 MICROWAVE FREQUENCY 2450 MHz OUTSIDE DIMENSIONS W X H X D 465 X 274 X 379 mm CAVITY DIMENSIONS W X H X D 290X 200 X 290 mm NET WEIGHT 14 5 Kg TIMER 60 min FUNCTI...

Страница 5: ...together with the glass cooking tray 9 9 Display Cooking time power level present time are displayed 0 0q qw w Function buttons Used to select desired oven operation MICROWAVE AUTOCOOK DEFROST w w Gri...

Страница 6: ...ed and breakdowns occur 5 Power supply Check your local power source This oven required a current of approximately 12 ampere 230V 50Hz Power supply cord is about 1 1 meters long The voltage used must...

Страница 7: ...r can be opened at any time during operation by touching the door release button on the control panel The oven will automatically shut off To restart the oven close the door and then touch START 3Each...

Страница 8: ...d time NOTE This oven is multiple clock system NOTE If you selected 12 hour clock system this digital clock allows you to set from 1 00 to 12 59 If you selected 24 hour clock system this digital clock...

Страница 9: ...le 20 minutes 20 00 will show in the display TIME DEFROST NOTE Time can be set up to 60 minutes NOTE During the defrosting operation turn over after buzzer sound for completed defrosting 3 Press butto...

Страница 10: ...start blinking to show the oven is in WEIGHT DEFROST mode NOTE During the defrosting operation turn over after buzzer sound for completed defrosting 4 Buzzer will sound at the end of the cooking time...

Страница 11: ...WAVE mode 4 Buzzer will sound at the end of the cooking time The indicator light will go off The display panel will return to the time of day The oven light will turn off and the turntable will stop t...

Страница 12: ...ll stop turning NOTE The heating element is located in the top of the oven There is no pre heating the oven for grilling Place food inside the oven when setting the controls The GRILL button is used w...

Страница 13: ...uzzer will sound at the end of the cooking time The indicator light will go off The display panel will return to the time of day The oven light will turn off and the turntable will stop turning NOTE M...

Страница 14: ...display 2 Select the desired cooking For example SOUP Press AUTO COOK button twice AC 2 will show in the display The quantity indicator light will start 3 If you want to select other menu press AUTO...

Страница 15: ...urn off and the turntable will stop turning The oven will now start auto cook for menu2 The indicator light starts blinking 7 Press button This example don t set MORE or LESS function NOTE AUTO COOK m...

Страница 16: ...s STOP CLEAR for 3 seconds lock indicator goes off SPEEDY COOK CHILD SAFETY LOCK STAGE COMBINATIONS This oven has the ability to be programmed to do up to three consecutive functions These combination...

Страница 17: ...than to over cook them If a range of times is stated in a recipe cook the minimum suggested time check for doneness and then cook slightly longer if necessary 1 Press STOP CLEAR button Touch once more...

Страница 18: ...he door is closed the hook locks the oven door If the door is not closed properly the oven will not operate When the door is closed the hook pushes the button of the micro switch Then the button of th...

Страница 19: ...e When the door is closed the interlock monitor switch should be closed after other switches open Secondary interlock switch The movant of the switch button should exceed 1 2mm measured at the top of...

Страница 20: ...icrowave generator is operating at full power The filament heat up time for magnetron is not included 6 The initial and final water temperatures are selected so that the maximum difference between the...

Страница 21: ...lly assembled oven with door normally closed must be less than 4m W cm2 When measuring the leakage always use the 5cm space cone with probe Hold the probe perpendicular to the cabinet door place the s...

Страница 22: ...21 WIRING DIAGRAM GERMANY Fig 1...

Страница 23: ...22 WIRING DIAGRAM Fig 1 1...

Страница 24: ...magnetron by blowing the air coming form the intake on the rear plate hold 3 The oven lamp light the inside of the oven 4 Indicator light turns on to indicate function operation Cooking time starts co...

Страница 25: ...AY 1 in order to vary the output power of the microwave oven from power level 1 to HI 100 power One complete ON and OFF cycle of the RELAY 1 is 29 seconds The relation between indications on the contr...

Страница 26: ...ing 4 The oven lamp turns off 5 As soon as the door is opened the interlock monitor switch contacts close and creats the short circuit 6 If the contacts of primary interlock switch malfunction the 15A...

Страница 27: ...d It is imperative therefore to makes sure it is grounded properly before before beginning repair work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the...

Страница 28: ...r hinge top 2 Remove the stopper hinge top 2 2 and door assembly 3 3 from top plate of cavity 3 Remove the stopper hinge top 2 2 from door assembly 4 Reverse the above for reassembly taking care to re...

Страница 29: ...screws on the top hinge stopper and then push the door to contact the door seal to oven front surface 2 Tighten two screws 2 To reduce gap located on part B 1 Loosen two screws in under hinge stopper...

Страница 30: ...h secure the PCB ass y B10 4 Remove the PCB ass y B10 from the control panel B02 5 Remove the button cook B04 the button auto cook B09 the button start B03 and the button function B08 from the control...

Страница 31: ...diode 2 2 and the capacitor holder 3 3 2 Remove the H V diode 2 2 from the capacitor holder 3 3 3 Remove the above steps for reassembly High voltage circuit wiring 7 To remove magnetron 1 Remove thre...

Страница 32: ...s for reassembly 9 To remove transformer 1 Remove the four screws 1 1 holding the H V transformer 2 2 2 Remove the transformer 2 2 3 Reverse the above steps for reassembly CAUTION Never install the ma...

Страница 33: ...ter Part 1 2 3 4 5 6 7 3513301100 3512801700 7002500613 7392500008 7002400413 3515000700 7392500011 1 1 1 1 2 2 2 SPP T0 8 230V 1000W TRS 5X6 MFCR 6N 2 5 SUS TRS 4X4 MFCR C3771BD 6N 2 5 MFZN INSULATOR...

Страница 34: ...4 Display indicates a number different from one setted For example when 5 00 setted 3 00 appears in the display 5 Specific numbers for example 2 and 3 do not display when the dial knob is rotated 6 D...

Страница 35: ...condary interlock switch with door closed No Continuity Continuity Malfunction of interlock switch Check continuity of primary interlock switch contact with door partially open unit interlock monitor...

Страница 36: ...filter board No Continuity Defective line filter borard Replace Check continuity of power supply cord No Continuity Open power supply cord Replace Normal Defective touch control circuit Check Result...

Страница 37: ...voltage rectifier Replace Connect megger leads to magentron terminal and magnetron body Continuity Defective magnetron Replace Check resistance of primary and secondary coil of high voltage transform...

Страница 38: ...ch wire harness between the tact switch keyboard and PCB assembly TROUBLE5 Heater does not heat Food will not become hot Check Result Cause Remedy Adjust or replace Check continuity both primary inter...

Страница 39: ...ontinuity of each button contacts with a multimeter 1 Type of encoding and key names 1 CLOCK button Between 7 and 10 2 STOP CLEAR button Between 8 and 10 3 LESS button Between 9 and 10 4 DEFROST butto...

Страница 40: ...Approx 100 10 Filament winding Approx 0 Primary winding Approx 0 2 High voltage capacitor A Check continuity of capacitor with meter on the highest OHM scale B A normal capacitor will show continuity...

Страница 41: ...ndary interlock switches check Make circuits like Fig a Fig b Fig c for tests SAFETY INTERLOCK CONTINUITY TEST 1 In case of interlock monitor check Lamp on or zero resistance ohmmeter Fig a Condition...

Страница 42: ...1 25 2 6VAC DISPLAY FILAMENT VOLTAGE 1 MP1 5V DC Replace Q4 EC2 2 MP2 16V DC Replace R6 EC3 3 MP3 24V DC Replace D12 D13 EC4 C D 19VDC 24VDC E F 2 1VDC 2 2VAC 41 NO MEASURE POINT WAVE FORM REMARK Vol...

Страница 43: ...G5 SEGMENT f 16 5 SEGMENT d does not come on form G1 to G5 SEGMENT a 23 12 SEGMENT e does not come on form G1 to G5 SEGMENT b 22 11 SEGMENT f does not come on form G1 to G5 SEGMENT c 20 9 SEGMENT g d...

Страница 44: ...CK METHOD 5 When there is not Grill heat When pressing START button oven lamp turns on Fan motor and turntable and cook indicator in display comes on Cause RELAY 3 does not operate CHECK METHOD POINT...

Страница 45: ...oes not operate properly If clock does not keep exact time you must check Diode D10 transistor Q8 POINT A B STAGE 1 DOOR OPENED OPEN 5VDC 2 DOOR CLOSED CLOSED GND NO METHOD REMEDY 1 Check the state ON...

Страница 46: ...45 2 P C B Circuit Diagram...

Страница 47: ...46 3 COMPONENT INFORMATION 1 Transistor NPN Type 2 Diode and Zener Diode D1 16 ZD1 6...

Страница 48: ...47 4 PRINTED CIRCUITS BOARD...

Страница 49: ...48...

Страница 50: ...471JS 3 16 R CARBON FILM R14 1 2W 100 J RD 2Z101JS 1 17 C CERAMIC C1 C5 C7 C9 50V 0 1 F Z CCKF1H473Z 8 18 C CERAMIC C6 50V 0 047 F Z CCKF1H104Z 1 19 C ARRAY CA1 50V 1000PF 5P CN4XB 102M 1 20 DIODE ZEN...

Страница 51: ...50520 1 35 CONNECTOR CN2 HLEM15S 1 4CW215SBD0 1 36 CONNECTOR CN3 YW396 05AV 3519150510 1 37 WIRE FLAT 1 25X15X90XC WSJ 159007 1 38 IC MICOM IC1 TMP47C862AN GC17 13GSR816T 1 39 RESONATOR CR1 KBR 40MKST...

Страница 52: ...3515304600 ABS 1 A04 STOPPER HINGE T 3515201500 KOR 61150S 1 A05 DOOR PAINTING AS 3511706100 KOR 61150S 1 A06 BARRIER SCREEN I 3517002800 PE 0 1T 1 A07 GASKET DOOR 3512300200 PP 1 A08 HOOK 3513100710...

Страница 53: ...TTON START 3516905800 ABS 1 MILKY B04 BUTTON FUNCTION COOK 3516905700 ABS 1 B05 SCREW TAPPING 7621301011 T2S PAN 3X10 PW MFZN 8 B06 WINDOW DISPLAY 3515500810 PMMA 1 SMOG B07 KNOB VOLUME 3513403810 ABS...

Страница 54: ...53 3 Main Unit...

Страница 55: ...516003700 7112401011 3 FLG TAPPING 7112401011 TAPPING 7112401011 TAPPING 7112401011 7272400811 7272400811 3516003700 7112401011 3516002700 TAPPING TAPPING 7122401211 TAPPING TAPTITE TAPTITE 3 3 3 TRS...

Страница 56: ...ELECTRONICS CO LTD 686 AHYEON DONG MAPO GU SEOUL KOREA C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC FAX 02 590 6291 TEL 02 360 7114 590 6151 5 http www dwe daewoo co kr PRINTED D...

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