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DOTRC17B

DOTRC17SS

Содержание DOTRC17B

Страница 1: ...P NO 3828W5S6213 October 2005 Printed in Korea MICROWAVE OVEN SERVICE MANUAL MODEL DOTRC17B DOTRC17SS CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL...

Страница 2: ...oper alignment integrity and connections d Any defective or misadjusted components in the interlock monitor door seal and microwave generation and transmission systems shall be repaired replaced or ad...

Страница 3: ...ALL CIRCUIT DIAGRAM 5 1 SCHEMATIC DIAGRAM 5 1 MATRIX CIRCUIT FOR TOUCH KEY BOARD 5 2 GENERAL INFORMATION FOR SERVICE 6 1 GENERAL PRECAUTIONS IN USE 6 1 TRIAL OPERATION 6 1 FEATURES AND SPECIFICATIONS...

Страница 4: ...ry Interlock Switch Interlock Monitor Switch Magnetron 2M246 Cook top Lamp 130 V 35 W Cavity Lamp 130 V 35 W Timer Digital up to 99 min 99 sec in each cooking stage Tray Tempered Safety Glass Overall...

Страница 5: ...g operation BEFORE TOUCHING any parts of the oven always remove the power plug from the outlet Remove your watches whenever working close to or replacing the Magnetron DO NOT touch any parts of the co...

Страница 6: ...ROUNDING INSTRUCTIONS For personal safety this appliance must be fully grounded at all times In the event of an electrical short circuit grounding reduces the risk of electrical shock The plug must be...

Страница 7: ...PERATING INSTRUCTIONS CONTROL PANEL 4 7 10 9 13 16 19 22 25 28 1 2 6 5 8 11 12 14 15 17 18 21 24 27 20 23 26 3 4 7 10 9 13 16 19 22 25 28 1 2 6 5 8 11 12 14 15 17 18 21 24 27 20 23 26 3 DOTRC17B DOTRC...

Страница 8: ...ruction previously programmed into memory 12 ADD 30 SEC Touch this pad to set start quickly and microwave cooking at 100 power level 13 CUSTOM SET Touch this pad to change the oven s default settings...

Страница 9: ...5 1 OVERALL CIRCUIT DIAGRAM SCHEMATIC DIAGRAM...

Страница 10: ...WER N C COOK AUTO COOK CLEAR STOP REHEAT TURNTABLE ON OFF ON OFF 5 SPEED SENSOR SENSOR N C N C SENSOR ON OFF LIGHT 1 2 3 N C AUTO 8 30 SEC CLOCK 9 0 MORE COMBI LESS SOFTEN SPEED TIME SET ADD AUTO CONV...

Страница 11: ...l show the time counting down by seconds D After about 5 minutes make sure the primary interlock switch the secondary interlock switch and the interlock monitor switch operate properly by opening and...

Страница 12: ...the limit of 5 mW cm2 All service adjustments should be made for minimum microwave energy leakage readings 3 Do not operate the unit until it is completely repaired if any of the following conditions...

Страница 13: ...vicing The power density of the microwave radiation leakage emitted by the microwave oven should not exceed 1mW cm2 sq And always start measuring of an unknown field to assure safety for operating per...

Страница 14: ...ed 3 At least once a year have the electromagnetic energy leakage monitor checked for calibration by its manufacturer POWER OUTPUT MEASUREMENT 1 Microwave power output measurement is made with the mic...

Страница 15: ...ALLY SWITCHES AND HIGH VOLTAGE CIRCUIT A REMOVING POWER AND CONTROL CIRCUIT BOARD Figures 1 2 and 3 1 Remove a screw securing the control panel assembly to the oven cavity 2 Remove the control panel w...

Страница 16: ...ert the F P C connector into the terminal socket securely with the fingers 2 Hold the plastic fastener with thumb and forefinger of the other hand and push it slowly into the terminal socket Figure 6...

Страница 17: ...the screws 1 or 2 screws securing it to the out case 4 Remove two screws on the left central edge and one screw on the right central edge of Base plate Remove the Mount All from the outside case by re...

Страница 18: ...ecuring the Latch Board 3 Make necessary replacements and check microwave energy leakage according to ADJUSTMENT PROCEDURES on page 7 12 Latch Board Primary Interlock Switch Monitor Interlock Switch S...

Страница 19: ...t any adjacent parts or it may be damaged When replacing the magnetron be sure to install the magnetron gasket in the correct position and be sure that the gasket is in good condition After replacing...

Страница 20: ...to check that the primary interlock switch the secondary interlock switch and the interlock monitor switch is in good operating normally After replacing the door check for microwave energy leakage wi...

Страница 21: ...1 Remove the mounting plate by loosening mounting plate screws 1 or 2 screws securing it to the back plate See Figure 18 2 Remove MOUNT ALL by loosening one screw securing the ventilation Motor and ba...

Страница 22: ...nector not the wires when removing L REMOVING CONVECTION HEATER AND THERMISTOR Figure 23 1 Remove the out case 2 Remove the air duct by removing six screws securing it to the oven front plate guide ai...

Страница 23: ...icrowave oven on its side so that you can see the latch board and the switches as shown in Figure 23 a 2 Close the door tightly and check gaps A and B to be sure they are no more than 1 64 0 5 mm See...

Страница 24: ...o to the body of the switches in the following sequence Interlock Monitor Switch Primary Interlock Switch Secondary Interlock Switch NOTE The Interlock Monitor Switch is an added safety check on the P...

Страница 25: ...hen the secondary switch operation is abnormal make the necessary adjustment or replace the switch only with the same type of switch C MONITOR SWITCH TEST Disconnect the wire lead from the monitor swi...

Страница 26: ...RON 1 Remove wire leads 2 Measure resistance ohm meter scale Rx1 Primary winding Secondary winding Filament winding 3 Measure resistance ohm meter scale Rx1000 Primary winding to ground Filament windi...

Страница 27: ...te infinite resistance in both directions 1 Measure continuity ohm meter scale Rx1 2 Remove the lead wires and operate oven at power level 1 through power level 10 1 Measure continuity ohm meter scale...

Страница 28: ...TURNTABLE MOTOR T M STIRRER MOTOR S M THERMISTOR HEATER ELEMENT SENSOR 1 Remove wire leads 2 Measure resistance ohm meter scale Rx1 1 Remove wire leads 2 Measure resistance ohm meter scale Rx1000 1 R...

Страница 29: ...4 5 6 7 8 9 10 11 12 13 NOTES A MICROWAVE ENERGY TEST MUST ALWAYS BE PERFORMED WHEN THE UNIT IS SERVICED FOR ANY REASON MAKE SURE THE WIRE LEADS ARE IN THE CORRECT POSITION WHEN REMOVING THE WIRE LEA...

Страница 30: ...USTMENT PROCEDURES on page 7 12 when the primary interlock secondary interlock switches and or the interlock monitor switches are adjusted or replaced Fuse blows immediately after the door is closed F...

Страница 31: ...thout touching START ENTER key when the door is closed GOOD Remove the mate connector of I O CON from the circuit board Does the unit still operate Defective Wire Assembly Replace the circuit board Re...

Страница 32: ...sly operates 3 Proper temperature measurement is not obtained 4 The buzzer does not sound or continues to sound 5 Some segments of one or more digits do not light up or they continue to light up or se...

Страница 33: ...hile working on this panel to discharge any static charge built up in your body Micom model only CONDITION Microwave oven does not work Inserting many plugs into one outlet and using them at the same...

Страница 34: ...y TROUBLE 1 The following visual conditions indicate a probable defective control circuit 1 Incomplete segments Segment missing Partial segment missing Digit flickering NOTE Slight flickering is norma...

Страница 35: ...of the monitor switch Replace fuse primary monitor switches and RELAY RY8 of P C B Assembly Check continuity of monitor switch with door closed Check continuity of primary switch with door opened No c...

Страница 36: ...on then tightly Output is low Lower than 90 of rating voltage Normal Decrease in power source voltage with load Suggest customer contact local electric power utility co or qualified electrician Check...

Страница 37: ...apacitor Replace high voltage capacitor Check high vol tage capacitor Abnormal Defective magnetron Replace magnetron Check Magnetron TROUBLE 5 No microwave oscillation even though oven lamp and fan mo...

Страница 38: ...y Check the Relay 10 of P C B assembly Temperature in the oven cavity is lower or higher than preset Abnormal Normal Abnormal Check the convection heater element Defective Relay 10 Replace Relay 10 De...

Страница 39: ...1 EXPLODED VIEW DOOR PARTS 13581A 13213A 14760A 13650A WTT028 14890A 14970A 14026A 13720D 13552A 13581A WTP004 13551A 13650A 14970A 14026A WTT028 13552A 13213A EV FOR MODEL DOTRC17B FOR MODEL DOTRC17S...

Страница 40: ...8 2 CONTROLLER PARTS 24781M 23572A 23506A 24810P 268711 WTP018 07 23551A 07 24781M 23551A 268711 WTP013 24810P EV FOR MODEL DOTRC17B FOR MODEL DOTRC17SS...

Страница 41: ...8 3 OVEN CAVITY PARTS WTT027 WTP013 WMP004 WTT022 WNH001 34960A 33550P 33112U 33809A 63303A 34931A 56912E 33740A 34890C 35230A 34810T 948501 330341 63302A 34810Q 36549S 33530A 44360A 44360A EV...

Страница 42: ...8 4 LATCH BOARD PARTS 43500A 43501A WSZ085 466001 466003 466001 44510A EV...

Страница 43: ...WWP008 WWS005 WWS005 WNH003 348101 WTT028 WTT022 WTT022 WTT022 WTT021 WTT022 WTP013 WTP013 WTP013 WTP013 WNH002 WSZ002 WSZ002 WSZ002 WTT028 WTT037 WTT028 WNH002 348102 56549B 56322A 55012A 53300S 365...

Страница 44: ...028 352642 55231C 36549V 50CZZM 55262A 56411A 55012U 568771 50FZZA WTP004 WSZ062 WTT030 56201A WTP018 WSZ062 3550W1A264A 3034W1A004A 4931W1A009E Discord original for parts supplied Change pieces simul...

Страница 45: ...8 7 INSTALLATION PARTS 65862D 65862B 63300M VINYL BAG 63861A 01 OWNERS MANUAL 02 SERVICE MANUAL 06 1 UPPER TEMPLATE 06 2 WALL TEMPLATE 04 INSTALLATION MANUAL 05 COOKING GUIDE LABEL EV...

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