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Dacor PMOR30B Service Manual

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Dacor PMOR30B User Manual
Dacor PMOR30B User Guide
Dacor PMOR30B Online Manual

Text of Dacor PMOR30B User Guide:

  • Dacor PMOR30B, 38 PMOR30B PMOR30R PMOR30S Terminal Push Pull down 1 2 Lever Positive lock® connector POSITIVE LOCK ® CONNECTOR (NO-CASE TYPE) REMOVAL 1. Disconnect the power supply cord and remove the oven from wall and remove outer case. (Refer to procedure of "Removal of Oven from Wall" and "Outer case Removal") 2. Open the door and block it open. 3. To discharge high voltage capacitor, wait for 60 seconds. 4. Push the lever of positive lock ® connector. 5. Pull down on the positive lock ® connector. CAUTION: WHEN CONNECTING THE POSITIVE LOCK ® CONNECTORS TO THE T

  • Dacor PMOR30B, 6 PMOR30B PMOR30R PMOR30S OPERATION DESCRIPTION OF OPERATING SEQUENCE CONTROL PANEL The following is a description of component functions during oven operation. OFF CONDITION Closing the door activates the stop switch, primary interlock switch and secondary interlock switch. (In this condition, the monitor switch contacts are opened.) When oven is plugged in, 120 volts A.C. is supplied to the control unit (Figure O-1). 1. "Set clock" key and "Video demo" key will be appeared on the touch screen. 2. Touch "S

  • 9 PMOR30B PMOR30R PMOR30S Wave-form of main parts are shown in Figure A-2. During off-time, flyback voltage appears on the primary winding of the high voltage transformer. The off-time de- pends on the inductance of the transformer and capaci- tance of the resonant capacitor C3. Synchronous circuit generates the timing signal by detecting the flyback volt- ag

  • Dacor PMOR30B, 7 PMOR30B PMOR30R PMOR30S 1. The contacts of relays are closed and components connected to the relays are turned on as follows. (For details, refer to Figure O-2) RELAY CONNECTED COMPONENTS RY1 Oven lamp / Fan motor / Stirrer motor RY2 Turntable motor RY3, RY4 Hood fan motor 2. 120 volts A.C. is supplied to the inverter unit and is converted in order to power of the magnetron by the high frequency switching power circuit. The frequency is approx. 27 _ 40 KHz. 3. The filament winding voltage of H.V. transformer heats the magnetron filament and the H.V. winding gives a high voltage approx. 2 KV to activaite a voltage doubler circuit. Then approx. 4KV peak voltage

  • Dacor PMOR30B, 2 PMOR30B PMOR30R PMOR30S MICROWAVE MEASUREMENT PROCEDURE A. Requirements: 1) Microwave leakage limit (Power density limit): The power density of microwave radiation emitted by a microwave oven should not exceed 1mW/cm 2 at any point 5cm or more from the external surface of the oven, measured prior to acquisition by a purchaser, and thereafter (through the useful life of the oven), 5 mW/cm 2 at any point 5cm or more from the external surface of the oven. 2) Safety interlock switches Primary interlock relay and door sensing switch shall prevent microwave radiation emission in excess of the requirement as above mentioned, secondary interlock switch

  • Dacor PMOR30B, 33 PMOR30B PMOR30R PMOR30S Microwave ovens contain circuitry capable of producing very high voltage and current, contact with following parts may result in severe, possibly fatal, electric shock. (Example) Inverter unit that includes High Voltage Capacitor, Power Transformer, High Voltage Rectifier and Heat sink etc., and Magnetron, High Voltage Harness etc.. WARNING: Avoid possible exposure to microwave energy. Please follow the instructions below before operating the oven. WARNING AGAINST HIGH VOLTAGE: COMPONENT REPLACEMENT AND ADJUSTMENT PROCEDURE To prevent an electric shock, take the following pre- cautions. 1. Before wiring, 1) Disconnect th

  • 22 PMOR30B PMOR30R PMOR30S TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST J TOUCH CONTROL PANEL ASSEMBLY TEST The touch control panel consists of circuits including semiconductors such as LSI, ICs, etc. Therefore, unlike conventional microwave ovens, proper maintenance cannot be performed with only a voltmeter and ohmmeter. In this service manual, the touch control panel assembly is divided into

  • Dacor PMOR30B, 4 PMOR30B PMOR30R PMOR30S ITEM DESCRIPTION Power Requirements 120 Volts / 14 Amperes / 1600 W 60 Hertz Single phase, 3 wire grounded Power Output 1100 watts (IEC TEST PROCEDURE) Operating frequency of 2450MHz Case Dimensions Width 29-15/16" Height 16-3/8" Depth 16- 1/8" (Not including the door handle) Cooking Cavity Dimensions Width 21" Height 8-7/8" 1.6 Cubic Feet Depth 14-7/16" Hood lamp 2 bulbs, 20W x 2, Incandescent light bulbs Hood fan Approx. 300 C.F.M. Control Complement Touch Control System Clock ( 1:00 - 12:59 ) Timer (0 - 99 min. 99 seconds) Microwave Power for Variable Cooking Repetition Rate;

  • Dacor PMOR30B, 20 PMOR30B PMOR30R PMOR30S TEST PROCEDURES PROCEDURE LETTER COMPONENT TEST D PRIMARY INTERLOCK SWITCH AND SECONDARY INTERLOCK SWITCH TEST 1. Disconnect the power supply cord, and then remove outer case. 2. Open the door and block it open. 3. To discharge high voltage capacitor, wait for 60 seconds. 4. Isolate the switch and connect the ohmmeter to the common (COM.) and normally open (NO) terminal of the switch. The meter should indicate an open circuit with the door open and a closed circuit with the door closed. If improper operation is indicated, replace the primary interlock switch or secondary interlock switch. 5. Reconnect all leads removed from components during testing.

  • Dacor PMOR30B, 26 PMOR30B PMOR30R PMOR30S (4) Remove the AH sensor. (5) Install the new AH sensor. (6) Reconnect all leads removed from components during testing. (7) Re-install the outer case (cabinet). (8) Reconnect the power supply cord after the outer case is installed. (9) Reconnect the oven to the power supply and check the sensor cook operation as follows: 9-1. Fill approximately 200 milliliters (7.2 oz) of tap water in a 1000 milliliter measuring cup. 9-2. Place the container on the center of tray in the oven cavity. 9-3. Close the door. 9-4. Touch Reheat pad. Then select "Regular Turntable On". And touch START pad. 9-5. The control panel is in automatic Sensor operation. 9-6. The displ

  • Dacor PMOR30B, 29 PMOR30B PMOR30R PMOR30S 21 P41 OUT Key strobe signal. Signal applied to touch screen section. A pulse signal is input to PB1-PB5 terminal while one of G7 line keys on key matrix is touched. 22 P42 OUT Key strobe signal. Signal applied to touch screen section. A pulse signal is input to PB1-PB5 terminal while one of G8 line keys on key matrix is touched. 23 P43 OUT Key strobe signal. Signal applied to touch screen section. A pulse signal is input to PB1-PB5 terminal while one of G9 line keys on key matrix is touched. 24 Vss IN Power source voltage : GND(0V). The power source voltage to drive LSI is input to VSS terminal. 25 P44 OUT Key strobe signal. Signal applied to touch screen sect

  • Dacor PMOR30B, 14 PMOR30B PMOR30R PMOR30S STIRRER MOTOR The stirrer motor drives the stirrer fan to stir the microwave radiation from the waveguide. HOOD LAMP The hood lamps are mounted at the hood lamp angle on the base cover. The hood lamps can be turned off and on by touching the Light Options pad. And also the brightness can be varied to high or low by touching the Light Options pad. TROUBLESHOOTING GUIDE Never touch any part in the circuit with your hand or an uninsulated tool while the power supply is connected. When troubleshooting

  • Dacor PMOR30B, 43 PMOR30B PMOR30R PMOR30S 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-3. LSI Unit Circuit C 1 C 2 C 8 C 7 F 1 F 2 F 3 H 1 H 2 C 3 C12 G 7G 1 G 2 WH-1 WH-1 IC2 IXA062DR CPU UNIT IC5 IXA031DR LIQUID CRYSTAL DISPLAY 100 x 160 Dots IC1 IXA029DR G 3 G14 G 5 G 6 G13 G12 G11 G 8 G 9 G10 G 4 Baked Potatoes STOP/ CLEAR EASY MINUTE Keep Warm Popcorn Reheat Poultry Meats START Set Up Vegetables Fish/ Seafood Fan Options Light Options Pasta Grains Frozen Food Turntable On/Off Defrost Beverages Microwave Recipes & Instructions + Ð + Ð + Ð + Ð H

  • Dacor PMOR30B, PMOR30B PMOR30R PMOR30S PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) Do not operate or allow the oven to be operated with the door open. (b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary: (1) interlock operation, (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges a

  • 44 PMOR30B PMOR30R PMOR30S 6 45 1 2 3 6 45 1 2 3 A B C D E F G H A B C D E F G H Figure S-4. Printed Wiring Board DIP 9 H XA L COM H.M H.M R110 C110 CN - E CN - A C100 CN - C DOOR SW SP30 1 75 3 RY3 RY2 (J1) VRS1 P S T1 XA VH D1 TTM AC MOTOR RUN CAPACITOR RY4 D22 AC D21 R2 R3 E Q1 B D20 3 SSR1 QKITPB032MRE0 9 12 71 12 1 2 3 4 5 6 7 11 13 15 H.T H.M H.L VH CN - B R20 RY1 D24 D23 2 C1 C2

  • Dacor PMOR30B, 3 PMOR30B PMOR30R PMOR30S SERVICE MANUAL OVER THE RANGE MICROWAVE OVEN PMOR30B / PMOR30R / PMOR30S FOREWORD This Manual has been prepared to provide Dacor Service Personnel with Operation and Service Information for the DACOR OVER THE RANGE MICROWAVE OVEN, PMOR30B, PMOR30R and PMOR30S. It is recommended that service personnel carefully study the entire text of this manual so that they will be qualified to render satisfactory customer service. Check the interlock switches and the door seal carefully. Special attention should be given to avoid electrical sho

  • Dacor PMOR30B, 10 PMOR30B PMOR30R PMOR30S SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. COOKING TIME PROGRAMMED 3. VARIABLE COOKING CONTROL "HIGH" 4. "START" PAD TOUCHED Figure O-2. Oven Schematic-Cooking Condition Figure O-1. Oven Schematic-Off Condition SCHEMATIC NOTE: CONDITION OF OVEN 1. DOOR CLOSED 2. CLOCK APPEARS ON DISPLAY MAGNETRON TEMPERATURE FUSE FUSE 20A TURNTABLE MOTOR FAN MOTOR STIRRER MOTOR MAGNETRON OVEN LAMP MONITOR SWITCH BLKWHT INVERTER UNIT COM. CONTROL UNIT GND GRN HOOD MOTOR B7 B5 B3 B1 Low High A1 A3 B9 A5 A7 N.O. E1 F1 F2 F3 H1 E2 STOP SWITCH SECONDARY INTERLOCK SWITCH PRIMARY INTERLOCK SWITCH 120 V AC. 60

  • PMOR30B PMOR30R PMOR30S In the interest of user-safety the oven should be restored to its original condition and only parts identical to those specified should be used. WARNING TO SERVICE PERSONNEL: Microwave ovens contain circuitry capable of producing very high voltage and current. Contact with the following parts may result in a severe, possibly fatal, elect

  • Dacor PMOR30B, 35 PMOR30B PMOR30R PMOR30S 1. Disconnect the power supply cord and remove the oven from wall and remove outer case. (Refer to procedure of "Removal of Oven from Wall" and "Outer case Removal") 2. Open the door and block it open. 3. To discharge high voltage capacitor, wait for 60 seconds. 4. Disconnect the 6-pin connector of the hood fan motor from the main wire harness located at the right edge of the hood duct and release the snap band from the hood duct. 5. Remove the hood fan motor from the hood duct by lifting it up. 6. Now, the hood fan motor is free. 7. Remove one (1) screw holding the hood duct to th

  • Dacor PMOR30B, 5 PMOR30B PMOR30R PMOR30S Electrical Requirements The oven is equipped with a 3-prong grounding plug. DO NOT UNDER ANY CIRCUMSTANCES CUT OR REMOVE THE GROUNDING PIN FROM THE PLUG. The power supply cord and plug must be connected to a separate 120 Volt AC, 60 Hz, 15 Amp. or more dedicated line, using a grounded receptacle. The receptacle should be located inside the cabinet directly above the Microwave Oven/Hood system mounting location. OVEN DIAGRAM 1. Oven door with see-through window. 2. Door hinges. 3. Stirrer cover. 4. Turntable motor shaft. 5. Oven lamp. It will light when oven is operating or door is open. 6. Door latches. The

  • Dacor PMOR30B, 8 PMOR30B PMOR30R PMOR30S 2. HORIZONTAL VENTING The air handing is the same as VERTICAL VENTING except that the final air discharge is directed horizontally out from the top rear of the oven into the customer's vent system. : AIR FLOW 3. Sensor detects moisture and humidity and calculates cooking time and variable power. Cooking Sequence. 1. Operate the oven in sensor cooking mode by referring to the operation manual. NOTE: The oven should not be operated on SENSOR immediately after plugging

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