Dometic DOTRC17B Service Manual Download Page 1

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P/NO : 3828W5S6213

October, 2005

Printed in Korea

삼

흥

정

판

MICROWAVE OVEN

SERVICE MANUAL

MODEL: DOTRC17B

DOTRC17SS

CAUTION

BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

Summary of Contents for DOTRC17B

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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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