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 (c) Before turning on microwave power for operated with the door open. any service test or inspection within the (b) Make the following safety checks on all microwave generating compartments, ovens to be serviced before activating the...
1. Precaution Follow these special safety precautions. Although the microwave oven is completely safe during ordinary use, repair work can be extremely hazardous due to possible exposure to microwave radiation, as well as potentially lethal high voltages and currents. 1-1 Safety precautions ( 1.
1-2 Special Servicing Precautions (Continued) 17. When checking the continuity of the witches or transformer, always make sure that the power is OFF, and one of the lead wires is disconnected. 18. Components that are critical for safety are indicated in the circuit diagram by shading, 19.
2. Specifications 2-1 Table of Specifications TIMER 99 SECOND POWER SOURCE 120V 60Hz, AC POWER CONSUMPTION MICROWAVE : 1,500W OUTPUT POWER 1000W(10LEVEL POWER) OPERATING FREQUENCY 2,450MHz MAGNETRON OM75P(31)ESS COOLING METHOD COOLING FAN MOTOR OUTSIDE DIMENSIONS(mm) 517(W) x 297(H) x 379(D) SHIPPING WEIGHT 13.65kg GROSS...
3-2 Features & External Views Light Safety Interlock Holes Door Ventilation Holes Control Panel Door Latches Open Door Push Guide Roller Glass Tray 517mm 379mm - 5 -...
3-3 Accessory Depending on the model that you have purchased, you are supplied with several accessories that can be used in a variety of ways. 1. Coupler, already placed over the motor shaft in the base of the oven. Purpose : The coupler rotates the turntable. 2.
4. Disassembly and Reassembly 4-1 Replacement of Magnetron, Motor Assembly and Lamp Remove the magnetron including the shield case, permanent magnet, choke coils and capacitors (all of which are contained in one assembly). 1. Disconnect all lead wires from the magnetron and lamp. 2.
4-3 Replacement of Door Assembly 4-3-1 Removal of Door “C” Insert flat screwdriver into the gap between Door “A” and Door “C” to remove Door “C”. Be careful when handling Door “C” because it is fragile. Door "A" Then remove the door assembly. Door "C"...
4-3-4 Reassembly Test After replacement of the defective component parts of the door, reassemble it and follow the instructions below for proper installation and adjustment so as to prevent an excessive microwave leakage. 1. When mounting the door to the oven, be sure to adjust the door parallel to the bottom line of the oven face plate by moving the upper hinge and lower hinge in the direction necessary for proper alignment.
4-6 Replacement of Control Circuit Board 4-6-1 Removal of Control Box Assembly 1. Disconnect the connectors from the control box assembly. 2. Remove screws securing the control box assembly. 3. Remove the knobs of the control box A’ssy. SCREW 4. Remove the screw securing the timer. CONTROL-BOX 4-6-2 Removal of Ass’y P.C.B Assembly 1.
5. Alignment and Adjustments PRECAUTION 1. High voltage is present at the high voltage terminals during any cook cycle. 2. It is neither necessary nor advisable to attempt measurement of the high voltage. 3. Before touching any oven components or wiring, always unplug the oven from its power source and discharge the high voltage capacitor.
5-4 High Voltage Capacitor 1. Check continuity of the capacitor with the meter set at the highest resistance scale. 2. Once the capacitor is charged, a normal capacitor shows continuity for a short time, and then indicates 9MΩ. 3. A shorted capacitor will show continuous continuity. 4.
5-8 Output Power of Magnetron CAUTION MICROWAVE RADIATION PERSONNEL SHOULD NOT ALLOW EXPOSURE TO MICROWAVE RADIATION FROM MICROWAVE GENERA- TOR OR OTHER PARTS CONDUCTING MICROWAVE ENERGY. The output power of the magnetron can be measured by performing a water temperature rise test. Equipment needed : * Two 1-liter cylindrical borosilicate glass vessel (Outside diameter 190 mm) * One glass thermometer with mercury column...
5-10 Procedure for Measurement of Microwave Energy Leakage 1. Pour 275±15cc of 20±5°C(68±9°F) water in a beaker which is graduated to 600cc, and place the beaker in the center of the oven. 2. Start to operate the oven and measure the leakage by using a microwave energy survey meter.
6. Troubleshooting PRECAUTION 1. CHECK GROUNDING BEFORE CHECKING FOR TROUBLE. 2. BE CAREFUL OF THE HIGH VOLTAGE CIRCUIT. 3. DISCHARGE THE HIGH VOLTAGE CAPACITOR. 4. WHEN CHECKING THE CONTINUITY OF THE SWITCHES OR TRANSFORMER, DISCONNECT ONE LEAD WIRE FROM THESE PARTS AND THEN CHECK CONTINUITY WITHOUT THE POWER SOURCE ON.
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6-1 Electrical Malfunction(continued) SYMPTOMS CAUSE CORRECTIONS Oven lamp and fan motor turn 1. Misadjustment or loose wiring Adjust door and latch switches. of primary latch switch 2. Defective primary latch switch Oven can program but timer 1. Open or loose wiring of Adjust door and interlock switches.
10. Reference 10-1 Model name standard Baoad Distin- Middle Distin- Product Full Nane Classification guisher Classfication guisher Code USA CMO CMO (Counter- USA CMO(EPOXY CAVITY) top MWO) UTC (Under The USA UTC Cabinet) Browner, Grill USA GRILL Convection USA CONVECTION Sensor USA CMO SENSOR DC MWO...
Close the door completely. => Press the Cancel but- ton. => Press the Start button. Contact the nearest Samsung after-sales service cen- ter. Ground Ground problem may If the oven is placed in a humid area, buy an electric happen when the oven wire in a store selling electrical products.
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Accessory Visit the nearest Samsung Service Center or local dealer to buy accessories. Before visiting, check the model name printed on the lower right side of the front panel of the oven.
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