Maytag RFS9B Service

Commercial microwave oven

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Service

This manual is to be used by qualified appliance

technicians only. Maytag does not assume any

responsibility for property damage or personal

injury for improper service procedures done by

an unqualified person.

This manual replace RS2240001 Revision 2.

Commercial

Microwave Oven

RFS9B

RFS10S

RFS10SW2

RFS12MPS

RFS12S

RFS12SW2

P1324706M

P1327707M

P1324701M

P1327708M

P1324702M

P1327709M

P1324704M

P1327711M

P1324703M

P1327710M

P1324705M

P1327712M

This Base Manual covers general information

Refer to individual Technical Sheet

for information on specific models

This manual includes, but is

not limited to the following:

2002 Models are listed in bold.

RCS10

RCS10D

RCS10MP

RCS10MPS

RCS10MPSED

RCS10PBD

P1140411M

P1324601M

P1327703M

P1152809M

P1327701M

P1140412M

P1324602M

P1327704M

P1324901M

P1324902M

P1327705M

P1324906M

P1327706M

P1324001M

P1327702M

16021520

Revision 0

October 2002

Table of Contents

Troubleshooting

Summary of Contents for Maytag RFS9B

Page 1 Service This manual is to be used by qualified appliance technicians only. Maytag does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person. This manual replace RS2240001 Revision 2. This Base Manual covers general information...
Page 2 Important Notices for Servicers and Consumers Maytag will not be responsible for personal injury or property damage from improper service procedures. Pride and workmanship go into every product to provide our customers with quality products. It is possible, however, that during its lifetime a product may require service.
Page 3: Table Of Contents
Proper Handling of Magnetron Tubes ...... 15 RCS10D ............A-6 Magnetron Failure Mode ........15 RCS10PBD ............A-6 Radiation Leakage Test RFS9B ............. A-7 Equipment ............16 RCS10, P1324601M, P1327703M ...... A-7 Procedure For Measuring Radiation Leakage ..16 RCS10MP, P1324602M, P1327704M ....A-7 Measurement With the Outer Panel Removed ..
Page 5: Important Safety Information
A. Tell the user not to operate the oven. 12. All Amana microwave ovens meet all B. Contact Maytag Amana Manufacturing requirements of the radiation control for Health immediately. and Safety Act of 1968. Due to measurement uncertainties, the maximum leakage for the field 5.
Page 6: Save These Instructions
Remove wire twist-ties from paper or plastic bags before placing bag in oven. d. DO NOT use the cavity for storage. DO NOT leave paper products, cooking utensils, or food in oven. SAVE THESE INSTRUCTIONS 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 7: Precautions To Avoid Possible Exposure
The oven should NOT be adjusted or repaired face and the door or allow soil or cleaner by anyone except properly qualified service residue to accumulate on sealing surfaces. personnel. SAVE THESE INSTRUCTIONS 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 8: Grounding Instructions
120 supply voltage. When a microwave oven is on a circuit with other equipment, an increase in cooking times may be required and fuses can be blown. NEMA 5-20R/5-20P NEMA 5-15R/5-15P 120V–15AMP 120V–20AMP 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 9: Servicing Of Grounded Products
When using this scale, it is important that your fingers do not touch the metal parts of the test probes. To do so will give a false indication of the ohm reading. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 10: General Information
A—Allow at least 1½ inches / 3.81 centimeters of clearance around top and sides of equipment. Proper air flow around equipment cools electrical components. With restricted air flow, oven may not operate properly and life of electrical parts is reduced. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 11: Model Identification
• For Amana product call 1-877-232-6771 or visit the Web Site at www.amana.com Web Site at www.amana.com • For Maytag product call 1-800-688-9900 or visit the • For Maytag/Jenn-Air product call 1-800-462-9824 or Web Site at www.maytag.com visit the Web Site at www.maytag.com or www.jennair.com...
Page 12: Component Testing Procedures
Approximately <1  Ω 1 to 2 Timer in OFF position Approximately 5.8 k (timer motor)  1 to 2 Timer in ON position  4 to 5 Timer in OFF or ON position 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 13 − ............Replace H.V. / L.V. Board − ............Replace H.V. / L.V. Board − ............Replace H.V. / L.V. Board − ............Replace Touch Panel − ............Replace H.V. / L.V. Board 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 14 5 & 9 Continuity P1327712M Lamp receptacle Test continuity of receptacle Indicates continuity with bulb installed. terminals. Ω Lamp 41 W Measure resistance of Approximately 28 filament. Wire Harness Test continuity of wires Indicates continuity 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 15: Power Test
ONE MINUTE, THREE SECONDS run time chart for units less than 1550 Watts cooking power ∆T ∆T ∆T ∆T Cooking Cooking Cooking Cooking (°F) Power Output (°F) Power Output (°C) Power Output (°C) Power Output 1050 1120 1190 1260 1007 1046 1085 1124 1162 1201 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 16: Service Information
R.F. Capacitors - May short to chassis. This condition will also cause loss of high voltage. Output Antenna Ceramic Fins Anode Block Magnet Terminals/R.F. Capacitors Not Replaceable Serial Number 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 17: Radiation Leakage Test
(5 cm) spacer supplied with the probe. 4. Press the start pad or turn on the timer and with the magnetron oscillating, measure the leakage by holding the probe perpendicular to the surface being measured. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 18: Troubleshooting
During usage, if probe becomes inoperative or disconnected, audio alarm will come on. Test probe must be held by the grip portion of the handle, otherwise false reading may result if operators hand is between the handle and probe. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 19: Hi1501, Hi1510, And Hi1710
This could cause possible probe burn-out. Greatest leakage is generally found at the corners. After maximum leakage is established to be within the meter scale range, then probe may be moved horizontally around the door surface. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 20: Troubleshooting Guide
NOTE: When taking voltage measurements to the transformer the 120 V supply leads must be connected to the transformer terminals. The Voltage reading should then be taken with the voltmeter leads also connected to these terminals. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 21 NOTE: When taking voltage measurements to the transformer the 120 V supply leads must be connected to the transformer terminals. The Voltage reading should then be taken with the voltmeter leads also connected to these terminals. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 22: Disassembly Procedures
5. Using caution to prevent damage to indicator light, carefully rotate thinplate counterclockwise to gain access to start button and to the screws securing start switch assembly. Service slot 6. Reverse procedures to reassemble. Timer control assembly Escutcheon 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 23: Removal Of H.v. Transformer, Capacitor, Diode (Rectifier), Magnetron
7. Unsnap metal bottom from scroll. the cradle. 8. Remove blower wheel clip and wheel. 1. Remove outer case and splatter shield. 9. Remove motor mounting screws from scroll. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 24: Magnetron Thermal Cut-Out (Tco)
3. Remove inner door. (Stainless Steel and Plastic). 4. Remove handle insert and handle. 5. Remove outer door. 6. Remove door ring and latch handle assembly by removing screws on side of the door. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 25: Interlock Switch Assembly
4. Reposition plate, being careful not to bend hinge tab. 4. When replacing the assembly, all wires must be Replace and tighten screw. Do not operate oven re-connected and checked for continuity before without plate in place. operating the oven. 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 26: Programming Operating Instructions
RCS10MP ..P1140412M ........A-3 RCS10MPS .. P1324901M ........A-3 RCS10D .............. A-6 RCS10PBD ............A-6 * RFS9B ..P1324706M ........A-7 ** RFS9B ..P1327707M ........A-7 * RCS10 ..P1324601M ........A-7 ** RCS10 ..P1327703M ........A-7 * RCS10MP ..
Page 27: Rcs10, P1140411M
4. Press hidden minute pad and continue to press until 1 minute “Pd:dd” shows in display. minutes 5. Press numbered pad to deactivate pad. 2 minutes 3 minutes 4 minutes 5 minutes A–2 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 28: Rcs10Mp, P1140412M
All preprogrammed pads arrive set at full power. PAD NO. FACTORY PRESET TIME 10 seconds 20 seconds 30 seconds 45 seconds 1 minute minutes 2 minutes 3 minutes 4 minutes 5 minutes 16021520 Rev. 0 A–3 ©2002 Maytag Appliances Company...
Page 29: Quick Reference Instructions
6. Press TIME ENTRY pad. 7. Press START pad to save new heating time and power level in oven memory. 8. Press RESET pad or close oven door to exit programming mode. A–4 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 30: User Options
(Sets oven to instant on operation. Blower starts when oven door is opened.) OP:90 (Allows use of variable time entry and preprogrammed pads.) OP:91 Allows use of preprogrammed pads only. OP:00 (Allows pads to be deactivated.) OP:01 Prevents pads from being deactivated. 16021520 Rev. 0 A–5 ©2002 Maytag Appliances Company...
Page 31: Rcs10D
BURRITO, PIZZA . . . CHILI, SOUP, STEW ... 1 - 2 MIN. POPCORN ..MIN. START A–6 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 32 Features RCS10, RFS9B, RFS10S, and RFS12S RFS12MPS, RCS10MPS, and RCS10MP Control Panel Features Control Panel Features 88:88 88 : 88 M I C R O D E F R W A R M M E D H I M I C R O D E F R...
Page 33: Cooking Methods
User Options allow the user to program the oven to perform in a way convenient to the user. The beeps, maximum cooking time, and number of pre-programmed cooking sequences can be changed. A–8 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 34: Programming Displays
LEVEL Options” section of manual for programming procedure. This display indicates CF:08 MICRO DEFR WARM MEDHI POWER HOLD TIMER cooking factor of 80% READY COOK CLOCK when X2 pad is pressed. LEVEL 16021520 Rev. 0 A–9 ©2002 Maytag Appliances Company...
Page 35 Allows use of manual time entry and preprogrammed pads. Manual Operation OP:81 Double Digit Operation OP:90 Allows 10 (0–9) preprogrammed pads. (Not Available on OP:91 Allows 100 (00–99) preprogrammed pads. RCS10, RCS10MP, and RCS10MPS) A–10 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 36 6. Press a numbered pad to enter desired power level. programming mode. 7. Press START pad to save new cooking time and power level in oven memory. 8. Press STOP/RESET pad or close oven door to exit programming mode. 16021520 Rev. 0 A–11 ©2002 Maytag Appliances Company...
Page 37 +2 / 3 can sauce User Options User Options allow the user to program the oven to perform in a way convenient to the user. The beeps, maximum cooking time can be changed. A–12 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 38: Interrupting Operation
45 sec. 1:45 min. 5 min. 40 sec. 8 min. RFS12SW2 Pads Times Pads Times 20 sec. 55 sec. 30 sec. 1:25 min. 35 sec. 1:25 min. 4 min. 35 sec. 6:15 min. 16021520 Rev. 0 A–13 ©2002 Maytag Appliances Company...
Page 39 Allows 60 minutes of heating time. OP:70 Maximum Heating Time OP:71 Allows 10 minutes of heating time. OP:80 Allows use of preprogrammed pads only. Manual Operation OP:81 Allows use of manual time entry and preprogrammed pads. A–14 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 41: Care And Cleaning Instructions
• Replace with appliance bulb rated 115-125 volt, 40 watt. 4. Replace bulb cover. 5. Plug in oven. Remove screw and cover to change light bulb. B–2 16021520 Rev. 0 ©2002 Maytag Appliances Company...
Page 42: Cleaning Discharge Air Vents
Do not use oven without filter in place. Remove filter to clean. To remove filter, grasp filter tab and slide out. Filter tab Printed in U.S.A. 5/00  2000 Amana Appliances www.amanacommercial.com Amana, Iowa 52204 16021520 Rev. 0 B–3 ©2002 Maytag Appliances Company...

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