: In this Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information,please refer to PPL(Parts Price List) in Service Information Center (http://svc.dwe.co.kr). DAEWOO ELECTRONICS CO., LTD.
PROPER USE AND SERVICE PRECAUTIONS 1. For Safe Operation Damage that allows the microwave energy (that cooks or heats the food) to escape will result in poor cooking and may cause serious bodily injury to the operator. IF ANY OF THE FOLLOWING CONDITIONS EXIST, OPERATOR MUST NOT USE THE APPLIANCE. (Only a trained service personnel should make repairs.) 1) A broken door hinge.
SPECIFICATIONS POWER SUPPLY 120V ~ 60Hz POWER CONSUMPTION 1,600 W MICROWAVE OUTPUT POWER 1,000 W (IEC 705) FREQUENCY 2,450 MHZ GRILL POWER CONSUMPTION 1,400 W CONVECTION POWER CONSUMPTION 1,400 W COMBINATION HEATING POWER CONSUMPTION 1,600 W (Sequential) OUTSIDE DIMENSIONS (W X H X D) 526 (20.7) X 460 (18.1) X 345 (13.6) mm (inch) CAVITY DIMENSIONS (W X H X D) 335 (13.2) X 335 (13.2) X 260 (10.2) mm (inch)
FEATURES ¤ DOOR SEAL ƒ¡Door seal maintains the microwave ¤ CONTROL PANEL within the oven cavity and prevents microwave leakage. ¤ TURNTABLE TRAY ƒ¡Rotates during cooking and ¤Ł DOOR HOOKƒ¡When door is closed, it will automatically ensure even distribution of Microwaves. It can also be lock shut.
Page 6
CONTROL PANEL When blinking, the oven is When blinking, the oven is oper- operating in CONVECTION. ating in MICROWAVE mode. When blinking, the oven is When blinking, the oven will operating in GRILL automatically turn on at preset time. When blinking, the oven is operating in COMBI COOKING.
Page 7
CONTROL PANEL (Rotisserie type) When blinking, the oven is When blinking, the oven is oper- operating in CONVECTION. ating in MICROWAVE mode. When blinking, the oven is When blinking, the oven will operating in GRILL automatically turn on at preset time.
OPERATION TO STOP THE OVEN WHILE THE OVEN IS OPERATING 1. Press (STOP / CLEAR) pad. - The (STOP) indicator starts blinking. - You can restart the oven by touching (START) pad. - Touch once more to erase all instruction except clock. 2.
HOW TO SET THE OVEN CONTROLS Tips : • Be sure to read the cookbook’s introduction before operating the oven. • Also remember to read this operating instruction for proper safety information and instruction before using the oven. • See the cookbook for specific recipes. •...
Page 10
4. Touch pad. The display will show present time, and the colon starts blinking. This digital clock allows you to set to “ ”. MICROWAVE @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ?
Page 11
4. Turn the TIMER KNOB to The display will be shown what you select the desired microwave touched. power level This example will show “ P-6 ” For example : Power 6 5. Touch pad. indicator light will starts blinking to show the oven is in the MICROWAVE mode.
Page 12
1. Touch pad. indicator light will light. 4. Three beeps will sound at the end of the cooking time. The indicator light will go off. The display panel will return to the time of day. The oven light will turn off and the turntable will stop turning. TO SET COMBI COOKING @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ? @ @ @ @ @ @ @ @ ? e @ @ @ @ @ @ @ @ e ?
For example : 195˚C (350˚F) 4. Touch pad. indicator will starts blinking to show the oven is in the CONVECTION mode (for 10 minutes at 350˚F (195˚C)). 5. Three beeps will sound at the end of the cooking time. The indicator light will go off. The display panel will return to the time of day.
3. Touch pad. indicator light will starts blinking to show the oven is in AUTO DEFROST mode. 4. Three beeps will sound at the end of the cooking time. The indicator light will go off. The display panel will return to the time of day.
3. Touch pad. indicator light will starts blinking to show the oven is in • Case only setting step WEIGHT DEFROST mode. 1 and 2 4. Three beeps will sound at the end of the cooking time. The indicator light will go off. The display panel will return to the time of day.
PROGRAMMING COMBINATIONS This oven has the ability to be programmed to do up to three consecutive functions. These combination are given below and either the complete program or part of it can be used. AUTO START AUTO WEIGHT - DEFROST GRILL CONVECTION MICROWAVE...
INTERLOCK MECHANISM FUNCTIONS AND ADJUSTMENTS The door lock mechanism is a device which has been specially designed to completely eliminate microwave radiation when the door is opened during operation, and thus to perfectly prevent the danger resulting from the leakage of microwave. (1) Primary interlock switch When the door is closed, the hook locks the oven door.
Page 20
(2) Secondary interlock switch, monitor interlock switch. When the door is closed, the hook pushes the lever forward, and pushes the Latch Lever downward the lever press the button of the interlock monitor switch to bring it under ‘OFF’ condition. The latch Lever press the button on the secondary interlock switch to bring it under ‘ON’...
PRECAUTIONS FOR DISASSEMBLY AND REPAIR - Cautions to be observed when trouble shooting. Unlike many other appliances, the microwave oven is high-voltage, high-current equipment. It is completely safe during normal operation. However, carelessness in servicing the oven can result in an electric shock or possible danger from a short circuit.
Page 22
Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) 3. To remove guide air assembly. (Refer to Fig. 3) 1) Remove two screws ¤...
Page 23
Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) 4. To remove H.V. transformer. (Refer to Fig. 4) 1) Remove four screws ¤...
Page 24
6. To remove magnetron and magnetron thermostat. (Refer to Fig. 6) (1) Remove two screws ¤ which secure the thermostat ¤Ł . (2) Remove the thermostat. (3) Remove four screws ¤Ø which secure the magnetron ¤Œ . (4) Remove the magnetron. (5) Reverse the above steps for reassembly.
Page 25
Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) 7. To remove control panel assembly. (Refer to Fig. 7, 8) (1) Remove a screws holding control panel assembly to the oven front plate.
Page 26
Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) 8. To remove door assembly. (Refer to Fig. 9) 1) Remove two bolts with spring washer ¤...
Page 27
10. Method to reduce the gap between the door seal and the oven front surface. (1) To reduce gap located on part ‘A’. 1) Loosen a Hex Bolt on top door hinge, then push the door to contact the door seal to oven front surface.
Page 28
11. To remove tray motor. (Refer to Fig. 11) (1) Cut the tray motor cover parts from the base plate (Refer to Fig. 11, 12). (2) Remove the tray motor cover. (3) Remove two screws ¤Łwhich secure the tray motor ¤ . (4) Remove the tray motor.
Page 29
12. To remove grill heater assembly. (Refer to Fig. 13) (1) Release three hex nuts ¤ holding the Grill Heater Assembly ¤Ł to top and side plate. (2) Remove Grill Heater Assembly. ¥L ¤Ł Fig. 13...
TROUBLE SHOOTING GUIDE Following the procedure below to check if the oven is defective or not. 1. Check earthing before trouble checking. 2. Be careful of the high voltage circuit. 3. Discharge the high voltage capacitor. 4. When checking the continuity of the switches, fuse or high voltage transformer, disconnect one lead wire from these parts and check continuity with the AC plug removed.
Page 31
Condition Check Result Cause Remedy Outlet has Check continuity both Defective magnetron Replace proper voltage. magnetron and heater Continuity and heater thermostat. Fuse does not thermostat blow. Check continuity of Open power supply Replace Continuity power supply cord cord Defective touch control Normal Replace circuit...
Page 32
(TROUBLE 3) No microwave oscillation even though fan motor rotates. Condition Check Result Cause Remedy No microwave Check continuity of oscillation high voltage fuse Continuity Replace high voltage fuse Check continuity of Defective high Replace Continuity high voltage capacitor voltage transformer terminals with wires removed Check continuity of...
Page 33
(TROUBLE 4) Display shows all figures selected, but oven does not start cooking, even though desired program and time are set and start pad is tapped. Condition Check Result Cause Remedy Turn table motor, fan Check continuity Malfunction of Adjust or motor and oven lamp do of primary Primary interlock...
Page 34
(TROUBLE 6) Convection function is not operated. Condition Check Result Cause Remedy Convection function is Check continuity Malfunction of Adjust or not operated of primary Primary interlock Continuity replace interlock switch switch Check continuity Malfunction of Adjust or of secondary secondary interlock Continuity replace...
Page 35
MEMBRANE KEYBOARD CHECK PROCEDURE 1. Check the pad termination and PCB connector order. 1.( 1-4 cups) 1.( 1-4 cups) 2.(0.2-0.8kgs) 2.(0.2-0.8kgs) 3.(0.2-0.8kgs) 3.(0.2-0.8kgs) 1.(0.7-1.3kgs) 1.(0.7-1.3kgs) 2.(0.7-1.3kgs) 2.(0.7-1.3kgs) 3.(0.7-1.5kgs) 3.(0.7-1.5kgs) *Rotisserie Type Membrane PCB Connector PAD Termination Fig. 14...
Page 36
2. Type of encoding and pad names. PROGRAM AUTO WEIGHT POWER ˚C COOK DEFROST DEFROST CONVEC- MICRO- ROTISS-* COMBI GRILL TION WAVE ERIE PAUSE/ SPEEDY AUTO START CLOCK CLEAR COOK START AUTO LESS MORE REHEAT Fig. 15 Key Matrix The membrane keyboard consists of 24 keys whose configurations a re described above and provides 10 pad terminations to be connected to the touch control circuit as in Fig.
COMPONENT TEST PROCEDURE 1. High voltage is present at the high voltage terminal of the high voltage transformer 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 capacitor (see page 23).
Page 39
INTERLOCK MONITOR PRIMARY INTERLOCK SWITCH H.V. TRANSFORMER SWITCH (UPPER) COM. FUSE POWER SUPPLY H.V. SINGLE PHASE CAPACITOR ~ONLY OL FM TTM CM H.V. DIODE MAGNETRON THERMOSTAT ROTISSERIE HEATER MOTOR CONVE. POWER SECONDARY THERMISTOR RELAY RELAY RELAY RELAY RELAY INTERLOCK SWITCH DAMPER CONTROL P.W.B.
Page 43
Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) * S : Subsititutive REF No.
Page 44
Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) 3517501000 PROTECTOR DAMPER SILICONE RUBBER 3513600800...
Page 48
3) Display Problems CAUSE MEASUREMENT RESULT REMEDY Poor contact between 1. Check the voltage 2.2 VAC Fix the PIN 1 & P.C.B. and display filament of PIN 1 & PIN 25. 25 on the P.C.B. The Display has some Refer to "The display Replace P.C.B.
Page 49
CHECK METHOD POINT STAGE RELAY "5" ON £«5VDC RELAY "5" OFF £«15VDC (2) When touching " " pad, oven lamp turns on. Fan motor and turntable motor rotate and cook indicator in display comes on. * Cause : RELAY "6" does not operate. MICOM RELAY "6"...
Page 50
6) When there is no convection motor. When touching pad, oven lamp turns on. Fan motor and turntable and cook indicator is display comes on. * Cause : RELAY "1" does not operate. MICOM RELAY "1" + 15V + 15V CHECK METHOD POINT STAGE...
Page 51
8) When there is no convection motor. When touching pad, oven lamp turns on. Fan motor and turntable and cook indicator in display comes on. * Cause : RELAY “3” does not operate. MICOM RELAY "3" + 15V + 15V CHECK METHOD POINT STAGE...
Page 52
1) Transistor (NON Type) 2) Transistor (PNP Type) Q1, Q2, Q4~Q11 Emitter Base Emitter Collector Collector Base Emitter Collector Base 3) Diode and zener diode DIODE Cathode (K) ANODE (A) D1-12 ZENER DIODE Cathode (K) ANODE (A) ZD1-4...
Page 56
Caution: In this Service Manual, some parts can be changed for improving, their performance without notice in the parts list. So, if you need the latest parts information, please refer to PPL(Parts Price List) in Service information Center(http://svc.dwe.co.kr) REF NO. PART-NAME DESCRIPTION PART-CODE...