background image

#EV#

6-3

1384

W136

1006

1007

W108

W105

1386

1009

W207

W206

1385

1004

1005

1013

1000

1002

DOOR PARTS

MODEL : RS511MB

RFS511G
URS511MB
RCS511A
RS511P
RFS511SW2A
URS511P
URCS511A

Summary of Contents for Menumaster RCS511A

Page 1: ...Microwave Oven Service Manual RCS10MPA CAUTION BEFORE SERVICING THE UNIT READ THE SAFETY PRECAUTIONS IN THIS MANUAL RCS10MPSA RFS12MPSA RFS12G ...

Page 2: ...eration 2 proper door closing 3 seal and sealing surfaces arcing wear and other damage 4 damage to or loosening of hinges and latches 5 evidence of dropping or abuse C Before turning on microwave power for any service test or inspection within the microwave generating compartments check the magnetron wave guide or transmission line and cavity for proper alignment integrity and connections D Any de...

Page 3: ...GRAMMING 4 8 SCHEMATIC DIAGRAM 4 10 CIRCUIT DESCRIPTION 4 11 SERVICE INFORMATION 5 1 TOOLS AND MEASURING INSTRUMENTS 5 1 MICROWAVE LEAKAGE TEST 5 1 MEASUREMENT OF MICROWAVE POWER OUTPUT 5 3 DISASSEMBLY AND ADJUSTMENT 5 3 INTERLOCK CONTINUITY TEST 5 7 COMPONENT TEST PROCEDURE 5 8 TROUBLE SHOOTING 5 11 EXPLODED VIEW 6 1 SCHEMATIC DIAGRAM OF P C B 7 1 PRINTED CIRCUIT BOARD 7 2 CONTENTS ...

Page 4: ...1 1 1 1 1 1 1 1 SPECIFICATIONS ...

Page 5: ... operation of the microwave oven requires that the magnetron be assembled to the waveguide and cavity Never operate the magnetron unless it is properly installed Be sure that the magnetron gasket is properly installed around the dome of the tube whenever installing the magnetron 2 1 CAUTIONS Unlike other appliances the microwave oven is high voltage and high current equipment Though it is free fro...

Page 6: ...revent interference 8 Do not touch the front glass during or after cooking of the Grill and Combination mode This glass is very hot during heater operating 9 Do not operate the oven at microwave and combination mode with Grill rack placed in the cavity when the oven is empty EARTHING INSTRUCTIONS This microwave oven is designed to be used in a fully earthed condition It is imperative therefore to ...

Page 7: ...duced power If oven power level is set to 0 oven does not heat for programmed time If no power level is selected oven operates at 100 power Use to exit programming mode and stop cooking during cooking cycle Use to start Manual Time Entry program or restart interrupted cooking cycle Use to advance to next user option Use to save times and power levels when programming pads RS511P URS511P TIME ENTRY...

Page 8: ...se to select power level Oven can heat at full or reduced power If oven power level is set to 0 oven does not heat for programmed time If no power level is selected oven operates at 100 power Use to exit programming mode and stop cooking during cooking cycle Use to start Manual Time Entry program Use to automatically increase the programmed time for double quantities or restart interrupted cooking...

Page 9: ...d power levels Use to select power level Oven can heat at full or reduced power Use to start Manual Time Entry program or restart interrupted cooking cycle Use to advance to next user option Use to save times and power levels when programming pads RCS511MB URS511MB DIAL QUICK SET START 8 9 0 Window Door Screen Electronic Control Safety Door Lock System 70 50 DEFROST ...

Page 10: ...reduced power If oven power level is set to 0 oven does not heat for programmed time If no power level is selected oven operates at 100 power Use to exit programming mode and stop cooking during cooking cycle Use to start Manual Time Entry program or restart interrupted cooking cycle Use to advance to next user option Use to save times and power levels when programming pads RFS511SW2A TIME ENTRY P...

Page 11: ...4 5 OPERATING INSTRUCTIONS ...

Page 12: ...4 6 ...

Page 13: ...ds when heating timing elapses Operating QTY 2X Pads QTY 2X 2 Press desired number pad Example press 18 sec Preprogrammed Times and Cook Level All preprogrammed pads arrive set at full power Option Single Digit Pads 11 12 13 14 15 16 17 18 19 20 Heating Times 10 sec 20 sec 30 sec 45 sec 1 min 1 30 min 2 min 3 min 4 min 5 min Heating Times 20 sec 40 sec 1 min 1 30 min 2 min 3 min 4 min 6 min 8 min ...

Page 14: ...n memory Repeat step 3 6 to program additional pads 7 Press STOP RESET pad or close oven door to exit programming mode Multiple Heating Stages Follow instructions below to program oven to perform 3 consecutive heating cycles without interruption 1 Open oven door If door is closed or STOP RESET pad is pressed before finishing programming sequence oven exits programming mode 2 Press pad 1 for approx...

Page 15: ...ume to low Sets volume to medium Sets volume to high 3 Key Beep OP 30 OP 31 Prevents beep when pad is pressed Allows beep when pad is pressed 4 Keyboard Enable Window OP 40 OP 41 OP 42 OP 43 15 seconds after oven door is opened keyboard disabled 30 seconds after oven door is opened keyboard disabled 1 minute after oven door is opened keyboard disabled 2 minutes after oven door is opened keyboard d...

Page 16: ...SCHEMATIC DIAGRAM 4 10 ...

Page 17: ...netron to heat the magnetron filament through two noise preventing choke coils A high voltage of approximately 2100 volts AC is generated in the secondary of the high voltage transformer which is increased by the action of the high voltage diode and charging of the high voltage capacitor The negative 4 000 Volts DC is applied to the filament of the magnetron WHEN THE OVEN IS SET AT ANY LEVEL EXCEP...

Page 18: ...tion leakage MEASURING MICROWAVE ENERGY LEAKAGE Pour 275 15cc of 20 5 C 68 9 F water in a beaker which is graduated to 600 cc and place the beaker on the center of the turntable Set the energy leakage monitor to 2 450 MHz and use it following the manufacturer s recommended test procedure to assure correct result When measuring the leakage always use the 2 inch 5cm spacer supplied with the probe Op...

Page 19: ...e test probe must be removed no faster than 1 inch sec 2 5 cm sec along the shaded area otherwise a false reading may result The test probe must be held with the grip portion of the handle A false reading may result if the operator s hand is between the handle and the probe When testing near a corner of the door keep the probe perpendicular to the surface making sure the probe horizontally along t...

Page 20: ...emperature is 5 K The microwave power output P in watts is calculated from the following formula 4187 x T T is measured while the microwave generator is operating at full power Magnetron filament heat up time is not included about 3 sec The water is stirred to equalize temperature throughout the vessel prior to measuring the final water temperature Stirring devices and measuring instruments are se...

Page 21: ...Lift up and push the door NOTE 1 After replacing the door be sure to check that the primary switch monitor switch and secondary switch operate normally 2 After replacing the door check for microwave energy leakage with a survey meter Microwave energy must be below the limit of 4 mW cm2 with a 275 ml water load 3 When mounting the door assembly to the oven assembly be sure to adjust the door assemb...

Page 22: ...5 5 ...

Page 23: ...5 6 ...

Page 24: ...or is closed meter should indicate an closed circuit When 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 switch Connect the ohmmeter leads to the common COM and normally closed NC terminals of the switch The meter should indicate closed circuit in the do...

Page 25: ... COMPONENTS TEST PROCEDURE RESULTS HIGH VOLTAGE TRANSFORMER Wire leads removed MAGNETRON Wire leads removed 1 Measure the resistance Ohm meter scale Rx1 and Rx100 Primary winding Secondary winding Filament winding 2 Measure the resistance Ohm meter scale Rx1000 Primary winding to ground Filament winding to ground 1 Measure the resistance Ohm meter scale Rx1 Filament terminal 2 Measure the resistan...

Page 26: ...ter scale Rx1000 Terminal to case Measure the continuity Forward Ohm meter scale Rx10000 Measure the continuity Reverse Ohm meter scale Rx10000 Normal Momentarily indicates several ohms and then gradually returns to infinite Normal Infinite Normal Continuity Abnormal Infinite Normal Infinite Abnormal Continuity NOTE When testing the magnetron be sure to install the magnetron gasket in the correct ...

Page 27: ... 7 9 sec 3 sec 8 10 sec 2 sec 9 11 sec 1 sec 10 12 sec 0 sec Normal Approx 12 8 13 5 kohm Abnormal Infinite or several ohm NOTE A MICROWAVE LEAKAGE 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 LEADS FROM THE PARTS BE SURE TO GRASP THE CONNECTOR NOT THE WIRES BLOWER MOTOR Wire leads removed Measure...

Page 28: ...it 3 Discharge the high voltage capacitor See page 2 1 4 When checking the continuity of the switches or of the high voltage transformer disconnect one lead wire from these parts and then check continuity with the AC plug removed To do otherwise may result in a false reading or damage to your meter 5 Do not touch any part of the circuit on the PCB since static electric discharge may damage this co...

Page 29: ... does not turn on after setting cooking cycle 11 Display time of day does not reappear when cooking is finished 5 12 TROUBLE 1 The following visual conditions indicate a probable defective control circuit CONDITION CHECK RESULT CAUSE REMEDY 1 No input can be programmed Continuity No continuity Defective PCB assembly Loose connection Replace PCB assembly Connect them tightly Check the conn ection b...

Page 30: ...5 13 CONDITION ...

Page 31: ...5 14 CONDITION ...

Page 32: ...5 15 CONDITION ...

Page 33: ...DOOR PARTS CONTROL PANEL PARTS LATCH BOARD PARTS BASE PLATE PARTS OVEN CAVITY PARTS INTERIOR PARTS 6 1 EXPLODED VIEW INTRODUCTION MODEL RS511MB RFS511G URS511MB ...

Page 34: ...6 2 EXPLODED VIEW MODEL RCS511A RS511P RFS511SW2A URS511P URCS511A DOOR PARTS CONTROL PANEL PARTS LATCH BOARD PARTS BASE PLATE PARTS INTERIOR PARTS OVEN CAVITY PARTS INTRODUCTION EV ...

Page 35: ... EV 6 3 1384 W136 1006 1007 W108 W105 1386 1009 W207 W206 1385 1004 1005 1013 1000 1002 DOOR PARTS MODEL RS511MB RFS511G URS511MB RCS511A RS511P RFS511SW2A URS511P URCS511A ...

Page 36: ...6 4 2012 2400 2005 2006 2381 2000 W130 W102 CONTROL PANEL PARTS MODEL RFS511G EV ...

Page 37: ...6 5 2012 2400 2005 2006 2381 W130 2000 2002 W102 CONTROL PANEL PARTS MODEL RS511MB URS511MB EV ...

Page 38: ...2004 2381 2000 2002 2006 W130 W102 CONTROL PANEL PARTS MODEL RS511P URS511P 6 6 EV ...

Page 39: ...6 7 2004 2006 2381 2000 W130 W102 CONTROL PANEL PARTS MODEL RCS511A RFS511SW2A URCS511A EV ...

Page 40: ...6 8 7037 9000 3001 5045 W121 W109 W158 W121 W109 3009 W105 W109 3004 5024 W109 W108 OVEN CAVITY PARTS MODEL RS511MB RFS511G URS511MB RCS511A RS511P RFS511SW2A URS511P URCS511A EV ...

Page 41: ...6 9 4003 4000 4009 W102 W160 4002 4004 4008 4001 LATCH BOARD PARTS MODEL RS511MB RFS511G URS511MB RCS511A RS511P RFS511SW2A URS511P URCS511A EV W117 ...

Page 42: ...5001 5051 5302 W109 5019 5061 9000 3381 3028 W101 5008 5020 5067 5009 W104 W101 3006 4810WRC002A 0CZZW1H009A 5000 After Before 6021W3B001L 6851W1A001G 5013 3007 5203 3383 Discord original for parts supplied Change pieces simultaneously INTERIOR PARTS MODEL RS511MB RFS511G URS511MB RCS511A RS511P RFS511SW2A URS511P URCS511A EV ...

Page 43: ...6 11 6001 6000 W121 W108 6013 W121 3026 3901 3902 W162 BASE PLATE PARTS MODEL RS511MB RFS511G URS511MB RCS511A RS511P RFS511SW2A URS511P URCS511A EV ...

Page 44: ...7 1 SCHEMATIC DIAGRAM OF P C B ...

Page 45: ...7 2 PRINTED CIRCUIT BOARD ...

Reviews: