Amana RFS18G Service Manual
  1. Manuals
  2. Brands
  3. Amana Manuals
  4. Microwave Oven
  5. RFS18G
  6. Service manual
Amana RFS18G Service Manual

Amana RFS18G Service Manual

Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
This Owner's Manual is provided and hosted by Appliance Factory Parts.
AMANA RFS18G
Owner's Manual
Shop genuine replacement parts for AMANA RFS18G
Find Your AMANA Microwave Parts - Select From 149 Models
-------- Manual continues below --------

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the RFS18G and is the answer not in the manual?

Questions and answers

Subscribe to Our Youtube Channel

Related Manuals for Amana RFS18G

Summary of Contents for Amana RFS18G

  • Page 1 This Owner's Manual is provided and hosted by Appliance Factory Parts. AMANA RFS18G Owner's Manual Shop genuine replacement parts for AMANA RFS18G Find Your AMANA Microwave Parts - Select From 149 Models -------- Manual continues below --------...
  • Page 2 Microwave Oven Service Manual RFS18G RFS18MPS CAUTION BEFORE SERVICING THE UNIT, READ THE SAFETY PRECAUTIONS IN THIS MANUAL.

  • Page 3: 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 4: Table Of Contents

    CONTENTS (Page) SAFETY PRECAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Inside front cover SPECIFICATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 1-1 CAUTIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 2-1 INSTALLATIONS - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 3-1...

  • Page 5: Specifications

    SPECIFICATIONS ITEM DESCRIPTION RFS18G/RFS18MPS MODEL 208/220-240 Volts AC 60 Hz Power Requirement 2,800 Watts (13 A) Single phase, 3 wire grounded 1,800 Watts full microwave power (IEC60705) Power Output 2,450 MHz Microwave Frequency 2M246 Magnetron 0 ~ 60 min. Timer...

  • Page 6: 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 7: Installations

    INSTALLATIONS BEFORE YOU BEGIN, READ THE FOLLOWING INSTRUCTIONS COMPLETELY AND CAREFULLY. INSTALLING GROUNDING INSTRUCTIONS 1. Empty the microwave oven and clean inside it with a For personal safety, this appliance must be fully soft, damp cloth. Check for damage such as grounded at all times.

  • Page 8: Operating Instructions

    OPERATING INSTRUCTIONS Splatter Shields Window Door Screen Electronic Control Door Open Button Safety Door Lock System Turntable Rotating Ring HOLD DEFROST MEDIUM MED-HI TIME ENTRY STOP RESET START...

  • Page 9: Features

    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 10: Cooking Displays

    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. 88:88 shows heating time. When more than 1 heating stage is programmed, total time for all stages displays.

  • Page 11: Operation

    Operation Preprogrammed Times and Cook Level All preprogrammed pads arrive set at full power. CAUTION To avoid fire, do not dry newspapers or clothes in Option: Single Digit Option: Double Digit microwave oven. Pads Heating Pads Pads Heating Heating Times Times Times 10 sec.

  • Page 12: Programming

    PROGRAMMING Preprogrammed Number Pads Multiple Heating Stages Oven has 10 preprogrammed number pads. Follow Follow instructions below to program oven to perform 3 instructions below to program heating times and power consecutive heating cycles without interruption. levels for customized cooking. 1.
  • Page 13 User Options 4. Press START pad to advance to next option. See table for options. Follow the instructions below to customized the microwave ovenÕs operation. End-of-cycle signal, 5. Press number pad (0,1-3) to change option. maximum heating time and other options can be 6.

  • Page 14: Schematic Diagram

    SCHEMATIC DIAGRAM...

  • Page 15: 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 16: 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 17 MEASUREMENT WITH OUTER CASE NOTES WHEN MEASURING REMOVED ¥ Do not exceed meter full scale deflection. ¥ The test probe must be removed 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.

  • Page 18: 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) a load of (1000±5) g of potable water.
  • Page 19 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 ASSÕY to the control panel. 3) Disconnect the flat cable from the PCB SUB ASSÕY and take off the PCB SUB ASSÕY PCB Sub Asm Control Panel...
  • Page 20 F. MAGNETRON REMOVAL G. REMOVING THE TURNTABLE MOTOR 1) Remove the turntable and rotating ring. 1) Disconnect the leadwire from the magnetron. 2) Lay the unit down on its back. 2) Carefully remove the mounting screws holding the 3) Remove the turntable motor cover. magnetron and the waveguide.
  • Page 21 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 leadwire from magnetron, high voltage microwave activity when the door is opened during transformer, and capacitor.

  • Page 22: 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 B.

  • Page 23: Component Test Procedure

    COMPONENT TEST PROCEDURE CAUTIONS 1. DISCONNECT THE POWER SUPPLY CORD FROM THE OUTLET WHENEVER REMOVING THE 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 OUTER CASE FROM THE UNIT.
  • Page 24 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...
  • Page 25 COMPONENTS TEST PROCEDURE RESULTS Check for continuity of relay 3 an 208V: RELAY 4 / RELAY 6 POWER ohm-meter. 220-24 0V: RELAY 3 / RELAY 5 LEVEL (Remove wire leads from relay 2 and operate the unit.) 3 sec 9 sec 4 sec 8 sec 5 sec...

  • Page 26: Trouble Shooting

    TROUBLE SHOOTING TROUBLE SHOOTING TROUBLE SHOOTING TROUBLE SHOOTING WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY. IF WHEN YOU GET A COMPLAINT FROM YOUR CUSTOMER, EVALUATE THE COMPLAINT CAREFULLY.
  • Page 27 (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 28 (TROUBLE 2) Oven does not operate at all, Display window does not display any figures, Oven does not operate at all, Display window does not display any figures, and no input is accepted. and no input is accepted. CONDITION CHECK RESULT CAUSE REMEDY...
  • Page 29 (TROUBLE 3) Display shows all figures set, but oven does not start cooking while desired (TROUBLE 3) Display shows all figures set, but oven does not start cooking while desired (TROUBLE 3) Display shows all figures set, but oven does not start cooking while desired (TROUBLE 3) Display shows all figures set, but oven does not start cooking while desired program times are set and START pad is touched.
  • Page 30 (TROUBLE 5) No microwave oscillation even though oven lamp and fan motor run. (Display operates properly) CONDITION CHECK RESULT CAUSE REMEDY No microwave Defective PCB Replace PCB Disconnect the No continuity. oscillation. assembly. assembly. wire leads from relay 2 and check continuity Continuity.

  • Page 31: Exploded View

    #EV# EXPLODED VIEW INTRODUCTION MODEL : RFS18G OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS DOOR PARTS LATCH BOARD PARTS CONTROL PANEL PARTS...
  • Page 32 #EV# EXPLODED VIEW INTRODUCTION MODEL : RFS18MPS OVEN CAVITY PARTS INTERIOR PARTS BASE PLATE PARTS DOOR PARTS LATCH BOARD PARTS CONTROL PANEL PARTS...
  • Page 33 #EV# DOOR PARTS MODEL : RFS18G RFS18MPS 1013 1005 1004 1385 1002 1000 W136 1006 1007 W105 W108 1384 1009 1386 W206 W207...
  • Page 34 #EV# CONTROL PANEL PARTS MODEL : RFS18G 2012 W102 2006 2381 W130 2000 2005 2400...
  • Page 35 #EV# CONTROL PANEL PARTS MODEL : RFS18MPS 2004 W102 2381 2006 W130 2000...
  • Page 36 #EV# OVEN CAVITY PARTS MODEL : RFS18G W158 RFS18MPS 5045 W109 3001 W121 W108 W121 W105 3009 W101 W109 5024 3007 3004 5033 5042 5203 W101 W108 W109 3009 7037 W105...
  • Page 37 #EV# LATCH BOARD PARTS MODEL : RFS18G RFS18MPS 4001 W102 4003 4002 W160 4008 4002 4004 4000...
  • Page 38 #EV# INTERIOR PARTS MODEL : RFS18G RFS18MPS 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 5013 W101 5106 5105 5000 5204 W109...
  • Page 39 #EV# BASE PLATE PARTS 5061 MODEL : RFS18G RFS18MPS 5008 6001 W121 6000 3901 W162 3902 3026 W121 W101 W101 6013 W108...

  • Page 40: Schematic Diagram Of P.c.b

    SCHEMATIC DIAGRAM OF P.C.B...

  • Page 41: Circuit Board

    PRINTED CIRCUIT BOARD...
  • Page 42 P/No.: 3828W5S3527...

This manual is also suitable for:

Rfs18mps

Table of Contents