Amana DQ22HS Service Manual

Commercial microwave oven

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Owner's manual (16 pages)

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Page 1 P1198608M RC27 P1198618M WDYRC P1198621M This manual is to be used by qualified appliance technicians only. Amana does not assume any responsibility for property damage or personal injury for improper service procedures done by an unqualified person. RS2220001 Revision 3...
Page 2: Important Product Information
IMPORTANT PRODUCT INFORMATION WARNING WARNING Precautions to be observed before and during To avoid risk of electrical shock, injury, or death, make servicing to avoid possible exposure to excessive sure these grounding instructions are followed. microwave energy, or electrical shock disconnect power to oven.
Page 3: Table Of Contents
Option Programs (All Models Except WDYRC) ..15 Component Location ..........36 WDYRC Operating Instructions ......... 16 Wiring Diagrams and Schematics ......39–60 Amana Refrigeration, Inc. • 2800 220thTrail • PO Box 8901 • Amana, Iowa • 52204 • Printed in the U.S.A. RS2220001 Rev. 3...
Page 4: Important Information
(such as exposure to electrical shock) may result. CAUTION Amana will not be responsible for any injury or property damage from improper service procedures. If performing service on your own product, assume responsibility for any personal injury or property damage which may result.
Page 5: Important Safety Information
8. Do not for any reason defeat interlock switches - The basic design of the Amana Microwave Oven makes there is no valid reason for this action at any time; it an inherently safe device to both use and service.
Page 6: Microwave Leakage Testing
Measurement With the Outer Panel WARNING Removed Check for radiation leakage after servicing. Should the leakage be more than 4mW/cm inform Amana DANGER Refrigeration, Inc. immediately. After repairing or Avoid contacting any high voltage components. replacing any radiation safety device, keep a written record for future reference, as required by D.H.H.S.
Page 7: Specifications
Specifications a t l ) t i s t t s t t s t t s t t s t t s t t s t t s t t s t t s t t s t t s t t s t t s t t...
Page 8: Installation
• Protective gloves from the front. Clean air vent with damp cloth. Dry • Phillips screwdriver thoroughly. • 40-watt, 250-volt appliance bulb (available at Amana Authorized Service Centers - p/n A0282802) Air Filter Air filter is located under oven directly below door.
Page 9: Product Information
Product Information Grease Shield Antennas, Antenna Gears, Antenna Motors Covers and protects the top antennas. Properly distributes microwave energy throughout the cavity. DANGER Autotransformer To avoid severe personal injury or death avoid This transformer provides step-up voltage for the blower contacting any high voltage parts.
Page 10: Operating Instructions
Operating Instructions Control Panel RC16MP, RC17, RC17SD, RC20, RC22, RC27, KFC1 DQ22, MC22 MENU MENU POWER PAUSE LEVEL TIME READOUT DISPLAY ENTRY MENU MENU DELETE STATUS HOLD Pads Readout Display MENU 1 or MENU 2 ( RC16MP, RC17, RC17SD, RC20, *“...
Page 11: Preprogrammed Pads
“RC” and KFC1 Operating Instructions Preprogrammed Pads Variable Time Entry Oven contains two menus with ten preset number pads 1. Open oven door and place food in oven. Display each. Heating times and power levels can be adjusted shows "door". Oven fan and light operate. to fit menu requirements.
Page 12: Dq & Mc" Operating Instructions
“DQ & MC” Operating Instructions Preprogrammed Menu Items Variable Time Entry Oven can program up to 99 separate menu items. 1. Open oven door and place food in oven. Quantities from one to nine for each menu item may Display shows "door". Oven fan and light be programmed.
Page 13: Programming Menu Items
“DQ & MC” Programming Instructions Programming Menu Items Programming Multiple Stages 1. Open oven door. Display shows "door". If door is 1. Complete steps 1 - 9 of "Programming Menu Items". closed or RESET is pressed before finishing 2. Press STATUS pad to move through stages from programming sequence, oven exits programming lowest to highest (1 to 4).
Page 14: [Qty] Quantity (Rc16, Rc17, Rc20, Rc22, Rc27)
Specialized Programming [QTY] Quantity (RC16MP, RC17, RC17SD, PAUS (Pause) (All Models) RC20, RC22, RC27, KFC1) Used to stop microwave power halfway through the cooking cycle as a reminder to manipulate food. 1. Open oven door and place food in oven. 2.
Page 15: Option Programs (All Models Except Wdyrc)
Option Progams (All Models Except WDYRC) 1. Open oven door. 2. Press 1 pad for five seconds. RC Models MENU MENU PAUSE Hidden Enable Option Description Code DELETE QUANTITY STATUS End of cycle signal tone OP:10 DQ & MC Models Continuous tone* OP:11 MENU...
Page 16: Wdyrc Operating Instructions
WDYRC Operating Instructions PAUS (PAUSE) Display Many items in display can be seen but will not glow. POWER ITEM COOK ADD DEL M ENU1 MENU2 M ENU3 MENU4 LEVEL Counts down heating time. "EOC" Lights at end of heating cycle. Remains in display until door (End of Cycle) is opened.
Page 17: Component Testing Procedures
Component Testing Procedures WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. Illustration Component Test Results Thermal Cutout Disconnect all wires from TCO. Measure resistance across terminals. Magnetron TCO (.250 terminals) B5684106...
Page 18 Component Testing Procedures WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. Illustration Component Test Results Transformer Discharge Capacitors Remove all wires from terminals. Measure resistance from: 1 Ω...
Page 19 Component Testing Procedures WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. Illustration Component Test Results Relay Remove all wires from relay. Measure resistance: Approximately 120 Ω A to B (coil) Infinite Ω...
Page 20 Component Testing Procedures WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires it. All models except WDYRC Ribbon Ribbon Ribbon Ribbon Top Keypad Keypad Switch Keypad Switch Trace Trace...
Page 21: Display Diagnostics
Display Diagnostics CAUTION All repairs as described in this troubleshooting guide section are to be performed only after the caution procedures one through seven listed below have been followed. 1. Check grounding before checking for trouble. 2. Be careful of the high voltage circuit. 3.
Page 22: S1 Watchdog - Membrane Touch Panel
Display Diagnostics S1 Watchdog - Membrane Touch Panel CS Current Sense Watchdog circuit verifies touch panel entry. Current Sense – Indicates control is sensing low current Possible Causes: (Amp) draw. Check components which would allow unit 1. Shorted top touch panel. to run but produce no heat or low heat.
Page 23: Pce1 Checksum
Display Diagnostics PCE1 Checksum PCE6 Communication Failure NOTE: Before scheduling service for this complaint, NOTE: Before scheduling service for this complaint, instruct customer to unplug oven for one instruct customer to unplug oven for one minute, minute, reconnect, and retest. If unit operates reconnect, and retest.
Page 24: Service Test - All Models Except Wdyrc
Service Test – All Models Except WDYRC For WDYRC service test information, refer to RT2230008 Technical Sheet The high voltage portion of these models contain H.V. System Test multiple H.V. systems. When Service Test Mode has been accessed, the H.V. system test must be started within 60 seconds to Each H.V.
Page 25: Door Cycles And Magnetron Hours
Service Test Multiple H.V. System Testing Door Cycles and Magnetron Hours Two or three H.V. Systems may be tested together. • Press TIME ENTRY pad once for door cycles. Below are display samples showing different NOTE: Door cycle counter advances one number for combinations.
Page 26: Power Test (Traditional 1 Liter Test)
Power Test (Traditional 1 Liter Test) Test equipment required is Amana power test kit R0157397 (Fahrenheit), or Menumaster power test kit M95D5 (Celsius). 1. Fill the plastic container to the bottom of the 1000 ml. line with cool tap water.
Page 27: Troubleshooting
Troubleshooting Initial Power Up Connect Power Cord (Door Closed) No power applied to oven power cord. Blown oven fuse (check interlock switch module operation, monitor test). Inoperative cavity thermal cut out. 5 to 10 Seconds Inoperative low voltage circuit board. Inoperative high voltage circuit board.
Page 28: Stand By Condition
Troubleshooting Stand By Condition Open oven door. Oven light is on? (optional) Inoperative autotransformer. Binding or inoperative antenna motor(s). Antenna motors operate? Binding or inoperative blower motor. Broken or improper wire connections. Blower motor operates? "Stand by Condition" normal - proceed to "Cook Condition".
Page 29: Cook Condition
Troubleshooting Cook Condition Place a cup of water in oven and close door. Inoperative interlock switch module. Broken or improper wire connections. "ITEM" must be flashing Note: or the door has to be opened and closed to reactivate a cook condition. Beep not programmed into oven.
Page 30: Disassembly
Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Latch Handle Inner Door Ring Assembly The latch handle is removed by loosening the two set 1.
Page 31: Bottom Shelf
Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Bottom Shelf Top Keypad Assembly 1. Remove outer case. NOTE: The tray is sealed in place with Silicone Rubber. 2.
Page 32: Top Antennas
Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Top Antennas Antenna Matching 1. Remove outer case. 2. Remove grease shield. Antenna Motor 3. While holding antenna, remove wire securing antenna to gear at top of unit.
Page 33: Interlock Switch Module
Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Interlock Switch Assembly 1. Remove outer case. 2. Disconnect wiring. 3. Remove mounting screws securing mounting bracket to oven cavity and remove switch assembly from oven.
Page 34: Bottom Magnetron
Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Bottom Magnetron Bottom Stirrer Motor 1. Remove outer case. 1. Remove bottom access panel. 2. Disconnect wires from the magnetron thermal 2.
Page 35: Bottom Antenna
Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Bottom Antenna Blower Wheel and Motor 1. Remove shelf. 1. Remove outer case. 2. Set oven on side. 2.
Page 36: Fan Blade
Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Fan Blade Power Cord 1. Remove top mounting clip from end of shaft. 1. Remove outer case assembly. 2.
Page 37 Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Center Left Control Magnetron Left Air Baffle Air Baffle Middle Right Baffle Top Rear Top Front Baffle Magnetron Magnetron...
Page 38 Disassembly To avoid the risk of electrical shock, personal injury, or WARNING death, disconnect power to oven and discharge capacitors before following any disassembly procedure. Alternate Diode Location Antenna Wave Guide Gear Antenna Motor (Under Bracket) Bottom View RS2220001 Rev. 2...
Page 39: Wiring Diagrams And Schematics
Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC22 P1107909M RC22MP P1107902M RC22MPS P1107906M RS2220001 Rev. 3...
Page 40 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC22 P1107909M RC22MP P1107902M RC22MPS P1107906M RS2220001 Rev. 3...
Page 41 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. DQ22HS P1107908M MC22MP P1107904M RS2220001 Rev. 3...
Page 42 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. DQ22HS P1107908M MC22MP P1107904M RS2220001 Rev. 3...
Page 43 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC16MP P1191101M RC17 P1191104M RS2220001 Rev. 3...
Page 44 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC16MP P1191101M RC17 P1191104M RS2220001 Rev. 3...
Page 45 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC22 P1198604M RC22S P1198605M RC22LW P1198610M RC22LW P1198611M RS2220001 Rev. 3...
Page 46 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC22 P1198604M RC22S P1198605M RC22LW P1198610M RC22LW P1198611M RS2220001 Rev. 3...
Page 47 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC17 P1198601M RC20A P1191103M RS2220001 Rev. 3...
Page 48 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC17 P1198601M RC20A P1191103M RS2220001 Rev. 3...
Page 49 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. DQ22HS P1198607M MC22MP P1198701M MC22MPT P1198702M RS2220001 Rev. 3...
Page 50 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. DQ22HS P1198607M MC22MP P1198701M MC22MPT P1198702M RS2220001 Rev. 3...
Page 51 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC27 P1198608M RS2220001 Rev. 3...
Page 52 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC27 P1198608M RS2220001 Rev. 3...
Page 53 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC17 P1198612M RC17SD P1198623M RS2220001 Rev. 3...
Page 54 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC17 P1198612M RC17SD P1198623M RS2220001 Rev. 3...
Page 55 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC22 P1198614M DQ22HS P1198617M MC22MP P1198703M MC22MPT P1198704M MC22MPT2 P1198705M RC27 P1198618M...
Page 56 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. RC22 P1198614M DQ22HS P1198617M MC22MP P1198703M MC22MPT P1198704M MC22MPT2 P1198705M RC27 P1198618M...
Page 57 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. 12451002 WDYRC P1198621M RS2220001 Rev. 3...
Page 58 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. 12451002 DANGER HIGH VOLTAGE WDYRC P1198621M RS2220001 Rev. 3...
Page 59 Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. 12495902 DANGER HIGH VOLTAGE MC22MP P1198706M MC22MPT P1198707M MC22MPT2 P1198708M RS2220001 Rev. 3...
Page 60: Wiring Diagrams And Schematics
Wiring Diagrams and Schematics WARNING To avoid risk of electrical shock, personal injury, or death, disconnect power to oven and discharge capacitor before servicing, unless testing requires power. SCHEMATIC 230V 50Hz 3-WIRE CONDITION: DOOR OPEN INTERLOCK SWITCH SCHEMATIC DOOR CLOSED LINE FILTER BLOWER MOTOR ANTENNA MOTOR...

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Amana DQ22HS Service Manual

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