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(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

Replace

microwave

oscillation

Check continuity of high

voltage fuse

Replace high voltage fuse

Continuity

Check continuity of high voltage

rectifier in forward and backward

direction with DC megger

Continuity in

backward

direction

Defective high

voltage rectifier

Replace

Connect megger leads to mag-

netron terminal and magnetron

body

Continuity

Defective mag-

netron

Replace

Check resistance of primary and

secondary coil of high voltage

transformer

Ω

∞

Defective high

voltage trans-

former

Replace

Check continuity of magnetron

with wires removed

Continuity

Defective mag-

netron

Replace

Check continuity of filament termi-

nal of high voltage transformer

Continuity

Defective high

voltage trans-

former

Replace

Check D.C. voltage being sup-

plied to RELAY (RY1) coil

0 V

Defective touch

control circuit

Replace

Approx

15 VDC

Faulty

contacts or

RELAY (RY1)

or open relay coil

Replace

Содержание KOG-8A1R5S

Страница 1: ...A1R5P S M No Sep 2009 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...

Страница 2: ...sion 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 pe...

Страница 3: ...tified 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 ow...

Страница 4: ...AVE 1200 W CONSUMPTION GRILL 1050 W COMBINATION 2200 W MICROWAVE ENERGY OUTPUT 800W MICROWAVE FREQUENCY 2450MHz OUTSIDE DIMENSIONS W x H x D 465 x 287 x 352mm CAVITY DIMENSIONS W x H x D 298 x 230 x 3...

Страница 5: ...4 EXTERNAL VIEW 1 OUTER DIMENSION 465 352 287...

Страница 6: ...main in the oven for all cooking 9 9 Roller guide This must always be used for cooking together with the glass cooking tray 0 0 Glass cooking tray Made of special heat resistant glass Food in a proper...

Страница 7: ...e meal 5 5 Micro power Used to set power level 6 6 Frozen meal Used to reheat the meal 7 7 Grill Combi Used to cook Grill Combi 8 8 Quick defrost Used to defrost food very Quickly 9 9 Clock Used to se...

Страница 8: ...pe which if damaged must be repaired with cable of same type Such a cable can be purchased from DAEWOO and must be installed by a qualified person 6 Examine the oven after unpacking for any damage suc...

Страница 9: ...o the present time when the cooking time ends 19 When the STOP Clear button is pushed during the oven operation the oven stops cooking and all information retained To erase all information except the...

Страница 10: ...ir work 2 Warning about the electric charge in the high voltage capacitor For about 30 seconds after the operation stopped and electric charge remains in the high voltage capacitor When replacing or c...

Страница 11: ...ard 2 To remove door 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 reassembly NOTE After replacing the doo...

Страница 12: ...517002800 BARRIER SCREEN I PLYESTER T0 1 1 A08 3512300210 GASKET DOOR PP 1 A09 3513100700 HOOK POM 1 A10 3515101300 SPRING HOOK PW1 1 A01 A02 A03 A04 A05 A06 A07 A08 A09 DOOR ASSEMBLY 3511725150 1 Rem...

Страница 13: ...and then push the door to contact the door seal to the oven front surface Tighten two screws 3 To reduce gap located on part C Loosen the screw on the interlock switch assembly located the top of the...

Страница 14: ...PP 1 B10 3513411030 KNOB VOLUME ABS SG 0760D SG 175 1 B11 3516911650 BUTTON DOOR OPEN ABS SG 0760D SG 175 B12 3511618110 DECORATOR BUTTON ABS SG 0760D SG 175 COATING 1 1 Remove the screw which secure...

Страница 15: ...ge circuit wiring 7 To remove magnetron 1 Remove the screw which secure the magnetron 2 Remove the magnetron 3 Reverse the above steps for reassembly NOTE Never install the magnetron without the metal...

Страница 16: ...1 Remove the screw for earthing 2 Remove the noise filter from wind guide KOG 8A1R5S 51 There is no noise filter KOG 8A1R5P 3 Remove the screw which secure the wind guide assembly 4 Draw forward the w...

Страница 17: ...e plate 4 Remove the tray motor cover 5 Remove a screw which secure the tray motor 6 Remove the tray motor 7 Reverse the above steps for reassembly except for securing the tray motor cover with screw...

Страница 18: ...HEX 6N 2 5 SUS 1 C02 3515001200 SPACER INSULATOR I C3771BD A 24 2 2 C03 3513301100 INSULATOR HEATER SPP T0 8 1 C04 3512803410 HEATER 230V 1000W 1SOPE 47501 1 C05 7002500613 SCREW MACHINE TRS 5X6 MFCR...

Страница 19: ...ver 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 Loos...

Страница 20: ...the terminals and power cord before check the parts listed below CONDITION CHECK Check continuity of interlock monitor switch with door closed Check continuity of pri mary interlock switch con tact wi...

Страница 21: ...ay coil Approx 15 VDC Replace NOTE All these switches must be replaced at the same time please refer to Interlock Mechanism And Adjustment TROUBLE 2 Display shows all figures selected but oven does no...

Страница 22: ...on Defective high voltage rectifier Replace Connect megger leads to mag netron terminal and magnetron body Continuity Defective mag netron Replace Check resistance of primary and secondary coil of hig...

Страница 23: ...time while counting down 9 Display counts down noticeably too fast while cooking 10 Display does not show the time of day when cancel button is touched 11 Oven lamp and turntable motor do not stop alt...

Страница 24: ...essel the load is immediately placed on the center of the shelf which is in the lowest normal position 4 Microwave power is switched on 5 Heating time should be exactly A seconds Refer to table as fol...

Страница 25: ...binet 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 is u...

Страница 26: ...er set on the highest resistance scale measure the resistance across the diode terminals Reverse the meter leads and again observe the resistance reading Meter with 6V 9V or higher voltage batteries s...

Страница 27: ...26 WIRING DIAGRAM 1 KOG 8A1R5S KOG 8A1R5S35...

Страница 28: ...27 2 KOG 8A1R5P...

Страница 29: ...mer changes in proportion to fluctuation of power source volt age 3 The allowable tolerance of the secondary voltage is within 5 of nominal voltage NOTE Each measure point must be measured with GND po...

Страница 30: ...29 Measure Point MP1 MP2...

Страница 31: ...timer does not stop Check method 5 When the digital clock does not operate properly refer to Circuit Diagram If clock does not keep exact time you must check resistor R25 R26 D15 C5 and zener diode Z...

Страница 32: ...31 2 PCB CIRCUIT DIAGRAM...

Страница 33: ...W 10K 5 RD AZ103J 4 22 RESISTOR R9 1 6W 47K 5 RD AZ473J 1 23 RESISTOR R14 1 6W 1M 5 RD AZ105J 1 24 RESISTOR R19 1 4W 51 5 RD 4Z510J 1 25 RESONATOR CERA CR1 CRT 4 00MS 5P4R00MTS 1 26 IC REGULATOR VL1 M...

Страница 34: ...33 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...

Страница 35: ...11 3518906700 THERMOSTAT OFF 80 ON 70 H 187 1 F12 7S627W50X1 NUT HEX NUT FLANGE M5X0 8P MFZN 1 F13 3518606100 NOISE FILTER DWLF M13 KOG 8A1R5S 35 1 NO PART KOG 8A1R5P F14 7121402511 SCREW TAPPING T2S...

Страница 36: ...M V16 FA 61 1 F39 4415A17352 SW MICRO VP 533A 0F SPNO 187 200G 1 F40 3513702600 LEVER LOCK POM 1 F41 3513815800 LOCK PP 1 F42 3513601600 LAMP BL 240V 25W T25 C7A H187 1 F43 7112401011 SCREW TAPPING T1...

Страница 37: ...S M NO DAEWOO ELECTRONICS CORP 1 2 Jeo dong 1 il ga Jung gu Seoul Korea C P O BOX 8003 SEOUL KOREA TELEX DWELEC K28177 8 CABLE DAEWOOELEC PRINTED DATE Sep 2009...

Страница 38: ...IJK L M OM P NEQ R S TUUV UV UV LW TW X Y OW W MW Z _ E E a O6b cde f g S Gh iOUJU66U j kh iOUJOiKK UV UV UVJl8 l8m Lb Ob b Mb 6b LOb LKb T b T6b Tib TKb TVb OUb OLb OTb OOb O bn o_ LVb UV UV LUJLb L...

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