Related Manuals for Amana RFS12SW2C
Summary of Contents for Amana RFS12SW2C
- Page 1 삼 흥 정 판 Microwave Oven Service Manual RFS12SW2C CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.
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Page 2: Safety Precautions
SAFETY PRECAUTIONS This device is to be serviced only by properly qualified service personnel. Consult the service manual for proper service procedures to assure continued safety operation and for precautions to be taken to avoid possible exposure to excessive microwave energy. PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY... -
Page 3: Table Of Contents
CONTENTS (Page) SAFETY PRECAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front cover SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1 CAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 INSTALLATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1... -
Page 4: Specifications
SPECIFICATIONS ITEM DESCRIPTION MODEL RFS12SW2C Power Requiremen 120 V~ 60 Hz 2000 watt (18 A) Single phase, 3 wire grounded Power Output 1200 watt full microwave power (IEC60705) 2450 MHz Microwave Frequency Magnetron 2M246 0 ~ 60 min. Timer ” (W) x 14 ”... -
Page 5: Cautions
CAUTIONS Unlike other appliances, the microwave oven is MICROWAVE RADIATION high-voltage and high-current equipment. Personnel should not be exposed to the Though it is free from danger in ordinary use, microwave energy which may radiate from the extreme care should be taken during repair. magnetron or other microwave generating device if it is improperly used or connection. -
Page 6: Installations
INSTALLATION BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. INSTALLING GROUNDING INSTRUCTIONS For personal safety, this appliance must be fully 1. Empty the microwave oven and clean inside it with a grounded at all times. soft, damp cloth. Check for damage such as misaligned door, damage around the door or dents In the event of an electrical short circuit, grounding inside the cavity or on the exterior. -
Page 7: Operating Instructions
OPERATING INSTRUCTIONS FEATURES Window Door Screen Electronic Control Safety Door Lock System CONTROL PANEL Display Some items in display can be seen but will not glow. Pads TIME ENTRY Use to enter heating time without changing preprogrammed number pads. Pads 1-0 Use to begin heating with preprogrammed times and power levels or to enter times for “Manual Time Entry”... -
Page 8: Cooking Displays
Cooking Cooking Displays Shows when power is connected to oven. Open and close door to clear. READY shows when oven control will accept entries. Appears after oven door is opened and closed. 33:33 shows heating time. When more than 1 heating stage is programmed, total time for all stages displays. -
Page 9: Operation
Operation Preprogrammed Times and Cook Level All preprogrammed pads arrive set at full power. CAUTION Option: Single Digit Option: Double Digit To avoid fire, do not dry newspapers or clothes in microwave oven. Pads Heating Pads Heating Pads Heating Times Times Times Interrupting Operation... -
Page 10: Programming
PROGRAMMING Preprogrammed Number Pads Multiple Heating Stages Oven has 10 preprogrammed number pads. Follow Follow instructions below to program oven to perform instructions below to program heating times and 3 consecutive heating cycles without interruption. power levels for customized cooking. 1. - Page 11 User Options Follow the instructions below to customized the 4. Press START pad to advance to next option. microwave oven’s operation. End-of-cycle signal, See table for options. maximum heating time and other options can be 5. Press number pad (0,1-3) to change option. changed to meeting your cooking needs.
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Page 12: Schematic Diagram
SCHEMATIC DIAGRAM... -
Page 13: Circuit Description
CIRCUIT DESCRIPTION GENERAL DETAILS • A high voltage of approximately 2100 volts AC is generated in the secondary of the high voltage • The low voltage transformer supplies the necessary transformer which is increased by the action of the high voltage to the micom controller when power cord is voltage diode and charging of the high voltage plugged in. -
Page 14: Service Information
SERVICE INFORMATION TOOLS AND MEASURING INSTRUMENTS NECESSARY TOOLS NECESSARY MEASURING INSTRUMENTS Tools normally used for TV servicing are sufficient. • TESTER (VOLTS-DC, AC, Ohmmeter) Standard tools are listed below. • Microwave survey meter • Diagonal pliers - Holaday HI-1500 • Long nose pliers HI-1501 •... - Page 15 MEASUREMENT WITH OUTER CASE NOTES WHEN MEASURING REMOVED • Do not exceed meter full scale deflection. • The test probe must be moved no faster than • When you replace the magnetron, measure for 1 inch/sec (2.5 cm/sec) along the shaded area, microwave energy leakage before the outer case is otherwise a false reading may result.
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Page 16: Measurement Of Microwave Power Output
MEASUREMENT OF MICROWAVE POWER OUTPUT • Microwave power output measurement is made with • The microwave power output P in watts is calculated the microwave oven supplied at its rated voltage and from the following formula : operated at its maximum microwave power setting with 4187 x (∆T) + 0.55 X (T ) X M a load of (1000±5) g of potable water. - Page 17 D. PCB ASSEMBLY REMOVAL Remove choke cover 1) Remove the control panel assembly from the cavity. (Refer to control panel assembly removal on previous page.) 2) Remove screws which hold the PCB SUB ASS’Y to the control panel. 3) Disconnect the flat cable from the PCB SUB ASS’Y and take off the PCB SUB ASS’Y PCB Sub Asm Control Panel...
- Page 18 F. MAGNETRON REMOVAL G. REMOVING THE BOTTOM STIRRER FAN MOTOR 1) Disconnect the lead wire from the magnetron. 2) Remove the duct ASS'Y. 1) Lay the unit down on its back. 3) Carefully remove the mounting screws holding the 2) Remove the screw securing the base cover. magnetron and the waveguide.
- Page 19 H. HIGH VOLTAGE TRANSFORMER K. INTERLOCK SYSTEM REMOVAL 1) INTERLOCK MECHANISM The door lock mechanism is a device which has 1) Discharge the high voltage capacitor. been specially designed to eliminate completely 2) Disconnect the lead wire from magnetron, high voltage microwave activity when the door is opened during transformer, and capacitor.
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Page 20: Interlock Continuity Test
INTERLOCK CONTINUITY TEST WARNING : FOR CONTINUED PROTECTION AGAINST EXCESSIVE RADIATION EMISSION, REPLACE ONLY WITH IDENTICAL REPLACEMENT PARTS. TYPE NO. SZM-V 16-FD-63 OR V-16-3C 25 FOR PRIMARY SWITCH TYPE NO. SZM-V 16-FD-62 OR V-16-2C 25 FOR MONITOR SWITCH TYPE NO. SZM-V 16-FD-63 OR V-16-3C 25 FOR SECONDARY SWITCH A. -
Page 21: Component Test Procedure
COMPONENT TEST PROCEDURE CAUTIONS 1. DISCONNECT THE POWER SUPPLY CORD FROM THE OUTLET WHENEVER REMOVING THE OUTER CASE FROM THE UNIT. PROCEED WITH THE TEST ONLY AFTER DISCHARGING THE HIGH VOLTAGE CAPACITOR AND REMOVING THE WIRE LEADS FROM THE PRIMARY WINDING OF THE HIGH VOLTAGE TRANSFORMER. - Page 22 COMPONENTS TEST PROCEDURE RESULTS Antenna Gasket Chassis Filament NOTE: When testing the magnetron, be sure to install the magnetron gasket in the correct position and be sure that the gasket is in good condition. HIGH VOLTAGE Measure the resistance. Normal: Momentarily indicates CAPACITOR (Ohm-meter scale: Rx1000) several ohms, and then...
- Page 23 COMPONENTS TEST PROCEDURE RESULTS 208V: RELAY 4 / RELAY 6 Check for continuity of relay 3 an POWER 220-240V: RELAY 3 / RELAY 5 ohm-meter. LEVEL (Remove wire leads from relay 2 and operate the unit.) 3 sec 9 sec 4 sec 8 sec 5 sec...
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Page 24: Trouble Shooting
TROUBLE SHOOTING WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF THE FOLLOWING SYMPTOMS APPLY, PLEASE INSTRUCT THE CUSTOMER IN THE PROPER USE OF THE MICROWAVE OVEN. THIS CAN ELIMINATE AN UNNECESSARY SERVICE CALL. CAUTIONS 1. Check grounding before checking for trouble. 2. - Page 25 (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 normal.) 2. Colon does not turn on or blink. 3. A distinct change in the brightness of one or more numbers in display. 4.
- Page 26 (TROUBLE 2) Oven does not operate at all, Display window does not display any figures, and no input is accepted. CONDITION CHECK RESULT CAUSE REMEDY Replace fuse, Malfunction of the Check continuity 1. Fuse blows. Continuity. primary, monitor, monitor switch. of monitor secondary switch (with...
- Page 27 (TROUBLE 3) Display shows all figures set, but oven does not start cooking while desired program times are set and START pad is touched. CONDITION CHECK RESULT CAUSE REMEDY Defective Replace Check continuity 1.Setting time No continuity. secondary switch. secondary switch. of secondary does not count switch (with...
- Page 28 (TROUBLE 5) No microwave oscillation even though oven lamp and blower motor run. (Display operates properly) CONDITION CHECK RESULT CAUSE REMEDY Defective PCB No microwave Disconnect the Replace PCB No continuity. wire leads from oscillation. assembly assembly relay 3,5 or relay 4,6 and check Continuity.
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Page 29: Exploded View
#EV# EXPLODED VIEW INTRODUCTION MODEL: OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS DOOR PARTS LATCH BOARD PARTS CONTROL PANEL PARTS -6-1-... - Page 30 #EV# DOOR PARTS 1013 1005 1004 1385 1002 1000 W136 1006 1007 W105 W108 1384 1009 1386 W206 W207 -6-2-...
- Page 31 #EV# CONTROL PANEL PARTS 2004 W102 2381 2006 W130 2000 -6-3-...
- Page 32 #EV# OVEN CAVITY PARTS W158 5045 W109 3001 W121 W108 W121 W105 3009 W101 W109 5024 3007 3004 5018 5042 5203 W101 W108 W109 3009 7037 W105 -6-4-...
- Page 33 #EV# LARCH BOARD PARTS 4001 W102 4003 4009 W160 4008 4002 4004 4000 -6-5-...
- Page 34 #EV# INTERIOR PARTS W108 W101 5103 5201 W109 W105 3381 5020 W108 5102 5016 W136 3006 W108 9000 W101 W101 3031 3028 5010 5104 W108 5009 5046 W105 5302 W101 3007 5106 5105 5000 5204 W109 5020 W109 W109 W101 5041 W101 5018...
- Page 35 #EV# BASE PLATE PARTS 5061 5022 5008 9001 6001 W121 6000 3901 W162 3902 3026 W121 W101 W101 6013 W108 -6-7-...
- Page 36 P/No.: MFL05869703...