Amana AXP Series Service Training Manual
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Amana AXP Series Service Training Manual

High speed combination oven
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R
Commercial
Service / Training Manual
High Speed Combination Oven
AXP / MXP - 60 Hz
MXP22QT
December 2011
16400012
Amana® is a Registered Trademark of Maytag Corporation. Brand used under license.

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Summary of Contents for Amana AXP Series

  • Page 1 Commercial Service / Training Manual High Speed Combination Oven AXP / MXP - 60 Hz MXP22QT December 2011 16400012 Amana® is a Registered Trademark of Maytag Corporation. Brand used under license.

  • Page 3: Important Safety Information

    Important Safety Information...
  • Page 4 Important Information Important Notices for Servicers and Consumers ACP 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 5 Important Safety Information WARNING Read the following information to avoid possible exposure to microwave radiation: The basic design of the Microwave Oven makes it an inherently safe device to both use and service. However, there are some precautions which should be followed when servicing the microwave to maintain this safety.
  • Page 6 WARNING...
  • Page 7 WARNING WARNING CAUTION...
  • Page 8 AXP20 / MXP20, AXP22 / MXP22 60 Hz Speci cations Installation · Unpacking the oven · Oven Clearances Power Speci cation · Input · Output · Consumption Dimensions · Weight...
  • Page 9 STEP 1 - Unpack Oven STEP 2 - Place Oven on Counter Oven Clearances STEP 3 - Install Rack DO NOT...
  • Page 10 Power Source Voltage AC 208/230 VAC Amperage (Single Unit) 30 A Frequency 60 Hz Single Phase, 3 wire grounded Receptacle 6-30R Plug 6-30P Power Output – Microwave Nominal microwave energy (IEC705) 2200 Watts 22°F / 12°C Operating Frequency 2450 MHz Power Consumption 5700 Watts Microwave only...
  • Page 11 AXP20 / MXP20, AXP20/ MXP22 60 Hz Quick Start Reference Guide...

  • Page 12: Oven Controls

    High Speed Commercial Combination Oven Cooking with Pre- Oven Controls programmed Pads MENU Pasta-Pizza 520° F Appet-Side Meats Seaf-Sub Breakfast Dess-Soup Appet-Side MANUAL BACK COOK Misc Non-Meat Chicken Vegetables Fries MANUAL Misc BACK COOK Tater Tots 6oz Tater Tots 6oz Jalapeno Popper 8 Nachos Taquitos 4...
  • Page 13 High Speed Commercial Combination Oven ACCESSING THE PROGRAM MENU MENU Pasta-Pizza Appet-Side MANUAL Push BACK Seaf-Sub Meats COOK Breakfast Dess-Soup MANUAL BACK COOK Push PROGRAM MENU OVERVIEW ADDING OR CHANGING MAIN MENU LEVEL OR ITEM GROUP MENU EDITING MAIN MENU CATEGORY SCREEN MENU MENU ASSIGNED NAME...
  • Page 14 High Speed Commercial Combination Oven ADDING ITEM TO ITEM MENU Push CREATING NEW ITEM GROUP Misc MENU Appet-Side CONFIRM Tater Tots 6oz Jalapeno Popper 8 Pasta-Pizza Misc Non-Meat OVERWRITE OF Appet-Side Nachos Taquitos 4 Seaf-Sub Meats Chicken Dess-Soup Breakfast Fries Vegetables EDIT EDIT...
  • Page 15 High Speed Commercial Combination Oven KEYPAD Option # Setting Name Options Digit Entry Single digit entry CLEAN FILTER Double digit entry Menu Setting 1 Level 2 Levels 3 Levels Manual Lock Manual cooking allowed Manual cooking not allowed Program Lock Changes to programs allowed Password needed Door Open...

  • Page 16: Standby Mode

    To program the oven using the EZCard: Oven must be in Standby mode (Preheat must be OFF) 1. Open protective cover from bottom of keypad. 2. Insert the EZCard into the slot located below the vertical keypad. Note: The EZCard can be inserted forwards or backwards. 3.
  • Page 17 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta-Pizza 1 Sandwich 6 Bake-Dess 2 Meat 3 Vegetarian 4 Seafood 5 Pasta-Pizza 6 Bake-Dess . ’ - # pqrs wxyz & /...
  • Page 18 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta-Pizza 6 Bake-Dess . ’ - # pqrs wxyz & /...
  • Page 19 High Speed Commercial Combination Oven Use Scroll Up and 1 Sandwich Scroll Down to 2 Meat highlight food 3 Vegetarian 4 Seafood categories 5 Pasta-Pizza 6 Bake-Dess COOKING MENUS 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta-Pizza 6 Bake-Dess THREE MENU LEVELS Menu Categories Menu Item...
  • Page 20 High Speed Commercial Combination Oven MAIN COOKING MENU 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta-Pizza Cooking with Preprogrammed Pads 6 Bake-Dess Sandwich Sandwich Breakfast 1 Sandwich 1 Breakfast 1 Biscuit E.B.C. 2 Meat 2 Poultry 2 B. fast Croissant 3 Vegetarian 3 Meat 3 Croissant Sand...
  • Page 21 High Speed Commercial Combination Oven Using MANUAL COOK How to Save A Manual Cook Program to the Menu KEYPAD Breakfast Sandwich Sandwich Breakfast Breakfast 1 Biscuit E.B.C. 2 B. fast Croissant 1 Biscuit E.B.C. Bagel & Cheese 3 Croissant Sand 2 B.
  • Page 22 High Speed Commercial Combination Oven ACCESSING THE PROGRAM MENU PROGRAM MENU OVERVIEW EDITING OR ADDING MENU PROGRAM SETTINGS Sandwich 1 Sandwich 1 Breakfast 2 Meat 2 Poultry 3 Vegetarian 3 Meat 4 Seafood 4 Seafood 5 Pasta-Pizza 5 Vegetarian 6 Bake-Dess Sandwich Breakfast 1 Biscuit E.B.C.
  • Page 23 High Speed Commercial Combination Oven EDITING OR ADDING NEW NAMES FOR MENU CATEGORY OR FOOD CATEGORY OR MENU ITEM 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta-Pizza 6 Bake-Dess 1 Sandwich 2 Meat Sandwich 3 Vegetarian 4 Seafood 1 Breakfast 5 Pasta-Pizza 2 Poultry...
  • Page 24 High Speed Commercial Combination Oven Options# Setting Name Options Digit Entry Single digit entry CLEAN FILTER Double digit entry Text Case Caps Lower case CLEAN Mixed FILTERS Menu Setting 01=10 Items 02 =100 Items 03 = 360 items (Manual) Cook Manual cooking allowed Manual cooking not allowed Save after manual cook...
  • Page 26 AXP20 / MXP20, AXP22 / MXP22 60 Hz Oven Construction...
  • Page 27 OVEN CONSTRUCTION PANELS (TOP & SIDE) Door Right Outer Air Filters Panel Top Outer Panel Torx (T-15) Left Outer Panel Outercase Back Torx (T-15)
  • Page 29 HV Transformers Magnetrons Fuses Sensor Triac’s Magnetron TCO’s Convection Heater Element Capacitor / Diodes Small Fuses F2,F3,F4 (12 amp) High Voltage Transformers Temp Sensor F2 - Convection Motor (RTD Convection) F3 - Magnetron # 1 F4 - Magnetron # 2 Switch (Primary) Capacitor...
  • Page 30 Circuit Boards Power Relay Limiter Triac Thermocouple (RTD) Temp Sensor (RTD) Cooling Fans Catalytic Converter Convection Motor (Located inside plenum) Convection Motor Main Board *Relay Monitor Board *Power Relay Temp Sensor Snubber (RTD Radiant) Power Supply Board Thermocouple (RTD) (24 VDC) Limiter Triac Cooling Fans...
  • Page 31 AXP20 / MXP20 CONTROL PANEL ASSEMBLY Control Holder Display Board Touch Screen Display * Knob Collar Knob Filter Touch Panel Assembly Board Bezel Data Key Board Data Key Board Holder Data Key Plug * Caution: Do not handle touch screen display by the sides.
  • Page 32 AXP22 / MXP22 CONTROL PANEL ASSEMBLY Eschutcheon Touch Panel Assembly VFD Board Display Board USB Board USB Port Plug...
  • Page 33 Antenna Motor Gear Assembly Antenna Rivet, Plastic Radiant Heater Multi-Wave Spring Washer Flat Washer Lock Nut Note: Requires 15/16” (26mm) Deep Socket See Detail Below *Note: Plastic Rivet cannot be reused. Antenna Motor Rivet, *Plastic Gear Assembly Alignment Arrows Antenna...
  • Page 35 AXP20 / MXP20, AXP22 / MXP22 60 Hz Interlock Switch Service...
  • Page 36 Oven Switch Replacement & Interlock Switch Adjustment Switch Adjustment Lever Attach Ohm-Meter to Wire Harness Connectors Adjustment Figure 1 Mounting Screw Switch Test: When the door is opened or closed, the left door hinge activates the secondary / monitor switches. 1.
  • Page 37 AXP20 / MXP20, AXP22 / MXP22 60 Hz Oven Performance Test...
  • Page 38 KEYPAD PREHEAT MENU USING OVEN AS A MICROWAVE OVEN °F This option is only available if the oven cavity temperature is less than 200 When user option MICROWAVE ONLY is set as a default, the MICROWAVE ONLY button appears on the PREHEAT MENU. See page 11 for Oven Performance Test procedure.
  • Page 39 AXP20 P1333601M Radiant Convection...
  • Page 40 All Amana and Menumaster microwave oven power outputs are rated using the IEC705 standards. Using the IEC705 test method requires precision measurements and equipment that is not practical to be performed in the field. Using the test shown below will indicate if the oven performance is satisfactory.
  • Page 41 AXP20 / MXP20, AXP22 / MXP22 60 Hz Component Testing Procedures...
  • Page 42 WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor before servicing, unless testing requires power. Illustration Component Test Results Thermal cutout Disconnect all wires from TCO. Measure resistance across terminals. Control TCO ..........Closed at 235 F (113 C) and open at 150 F (66 C) Magnetron TCO ........
  • Page 43 WARNING To avoid risk of electrical shock, personal injury or death; disconnect power to oven and discharge capacitor before servicing, unless testing requires power. Illustration Component Test Results Transformer Discharge Capacitor Remove all wires from terminals. Measure resistance from: 230 to COM..........Less than 1 208 to COM..........

  • Page 44: Service Test

    AXP20 / MXP20 60 Hz Service Test...
  • Page 45 Access to Service Mode Screen While at the Main Screen, press the following sequence on the keypad: NOTE: The “MICROWAVE ONLY” button may or may not be present. 1. Press OFF pad until PRESS TO PREHEAT appears. 2. Press Hidden Pad. 3.
  • Page 46 Manual Operation of Magnetrons #1 & #2 Screen This screen will allow operation of Magnetron #1 and #2 together and show the number of amps being drawn. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test TURN ON: This pad will toggle between...
  • Page 47 Manual Operation of Magnetron #2 Screen This screen will allow operation of Magnetron #2 and show the number of amps being drawn. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test TURN ON: This pad will toggle between turning the magnetron on and off.
  • Page 48 Radiant Heater Screen This screen will allow operation of the radiant heater and show the number of amps being drawn. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test TURN ON: This pad will toggle between turning the heater on and off.
  • Page 49 Convection Fan – High Speed Screen This screen will allow operation of the convection fan at a high speed and show the number of amps being drawn. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test TURN ON: This pad will toggle between...
  • Page 50 Antenna Motor Screen This screen will allow operation of the antenna motor show the number of amps being drawn. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test TURN ON: This pad will toggle between turning the antenna motor on and off.
  • Page 51 Memory / Network Status Screen This screen will show which memory chips are present and if the oven is hooked up to an external network. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test CANCEL: Press this pad to return to the Main Menu...
  • Page 52 Error History Screen This screen will show the previous error codes that have occurred in the oven. NEXT TEST: Press this pad to go to the next Service Mode Test PREV TEST: Press this pad to go to the previous Service Mode Test SCROLL: This pad will advance through the history of the error codes.

  • Page 53: Troubleshooting

    AXP20 / MXP20 60 Hz Troubleshooting...

  • Page 54: Power Up Condition

    POWER UP CONDITION See component test procedures section PLUG OVEN IN for testing procedures and results. 1. No Line Voltage 2. Inoperative Power Cord (NORMAL DISPLAY) 3. Inoperative Fuse 4. Inoperative Filter Board PREHEAT TEMP = 520 F 5. Inoperative Touch Screen 6.
  • Page 55 PREHEAT CONDITION Touch PRESS TO PREHEAT On Touch Screen Push Knob In (NORMAL DISPLAY) OVEN OVEN PREHEATING PREHEATING See component test procedures section PREHEAT TEMP = 520 F PREHEAT TEMP = 520 F for testing procedures and results. Indicates Rising Temperature Inoperative Display Board Inoperative Touch Screen CHANGE...
  • Page 56 MICROWAVE CONDITION SERVICE TEST 1. Press Off Pad Repeatedly Until Press to Preheat Appears 2. Press Hidden Pad 3. Press Pads 1-3-5-7-9 (NORMAL DISPLAY) SERVICE MODE S SE VI VIC OVEN INFORMATION O OVEN INFO INFORMAT RMATION DISPLAY VERSION: 0.39 DISP DISPLAY VERS...
  • Page 57 OPERATIONAL CODES During oven operation the display may indicate one of the following: 1. When you press the pad/ knob to preheat the oven the display indicates. 2. During cooking, the oven display indicates. CALL SERVICE CALL SERVICE 1. Unplug / plug oven in 2.
  • Page 58 OPERATIONAL CODES 1. At the end of a cook cycle and the food is removed and the door is closed the display indicates. 2. When a pad is pressed the display indicates. OVEN NOT AT OVEN NOT AT PREHEAT PREHEAT Change Option Code #10 to OFF TEMPERATURE 1.

  • Page 59: Display Diagnostics

    AXP20 / MXP20 60 Hz Display Diagnostics...
  • Page 61 AXP22 / MXP22 60 Hz Service Test...
  • Page 62 Access to Service Mode Screen While in the OFF mode, press the following sequence on the keypad: O Pad 1. Press OFF pad until Icon appears. 2. Press Hidden Pad. 3. Press pads 1 - 3 - 5 - 7 - 9 The display indicates SERVICE MODE.

  • Page 63: Service Mode

    Manual Operation of Magnetrons #1 Screen This screen will allow operation of Magnetron #1 and show the number of amps being drawn. number number SERVICE MODE Press this pad to go to the Magnetron 1 Magn gnet etro ron next Service Mode Test 9 AMPS AMPS Press this pad to go to the...
  • Page 64 Convection Heater Screen This screen will allow operation of the convection heater and show the number of amps being drawn. amps SERVICE MODE VI VIC Press this pad to go to the ConvectionHeater Conv nvec ecti tion onHe Heat ater next Service Mode Test 8 AMPS AMPS...
  • Page 65 Convection Fan – Low Speed Screen This screen will allow operation of the convection fan at a low speed and show the number of amps being drawn. number SERVICE MODE VI VIC Press this pad to go to the Convection Fan Conv nvec ecti tion...
  • Page 66 Cooling Fan Screen This screen will allow operation of the cooling fan and show the number of amps being drawn. SERVICE MODE VI VIC Press this pad to go to the Cooling Fan Cool olin ing next Service Mode Test. 0.0 AMPS 0.
  • Page 67 RTD Status Screen This screen will show the temperatures being reported to the RTD’s in the oven. The maximum temps seen by the controller SERVICE MODE are also recorded for diagnostic purposes. RTD’s RTD’ D’s Press this pad to go to the next Service Mode Test.
  • Page 68 Error List Screen This screen will show a description of the types of errors that can occur. SERVICE MODE Error History Er Erro ror Hi Hist stor ory Press this pad to go to the 6 6- next Service Mode Test. 7 7- 8 8- 9 9-...
  • Page 69 AXP22 / MXP22 60 Hz Troubleshooting...
  • Page 70 POWER UP CONDITION See component test procedures section PLUG OVEN IN for testing procedures and results. 1. No Line Voltage 2. Inoperative Power Cord (NORMAL DISPLAY) 3. Inoperative Fuse 4. Inoperative Main Control Board 5. Inoperative Display Board 6. Inoperative -24 Volt Power Supply Board 7.
  • Page 71 PREHEAT CONDITION PRESS On / OFF TO PREHEAT . ’ - # pqrs wxyz & / (NORMAL DISPLAY) See component test procedures section for testing procedures and results. Inoperative Display Board See component test procedures section for testing procedures and results. 1.
  • Page 72 MICROWAVE CONDITION SERVICE TEST 1. Press Off Pad Repeatedly Until Press to Off Icon Appears 2. Press Hidden Pad 3. Press Pads 1-3-5-7-9 (NORMAL DISPLAY) SERVICE MODE S SE VI VIC OVEN INFORMATION O OVEN INFO INFORMAT RMATION DISPLAY VERSION: 11 DISP DISPLAY VERS...
  • Page 73 OPERATIONAL CODES During oven operation the display may indicate one of the following: 1. When you press the pad to preheat the oven the display indicates. 2. During cooking, the oven display indicates. Unplug / plug oven in If G-0 continues to appear: 1.
  • Page 74 OPERATIONAL CODES 1. During the cook cycle the door is opened or the stop key is pressed once the display indicates. (This is normal operation). 2. Press start key to continue cook cycle or press stop key twice to cancel cook cycle. To disable pause feature: Change Option Code #07 to Opening door resets timer to...
  • Page 75 AXP22 / MXP22 60 Hz Display Diagnostics...
  • Page 77 AXP20 / MXP20 , AXP22 / MXP22 60 Hz Wiring Diagrams / Schematics...
  • Page 79 J1-1 J1-3 J2-6,7 J2-8 DATA J2-1,2 +24VDC PORT PORT POWER SUPPLY J1-1 J1-3 J10-1 +24VDC KEYPAD DATAKEY TACH J10-2 CONTROL BOARD J10-3 J10-4 TOUCHSCREEN DISPLAY DISPLAY BOARD FILTER RADIANT CONVECTION BOARD TCOs J4-2 ST1-1 J4-1 ST1-2 ANTENNA MOTORS CONV BLOWER J9-1 J9-2 J7-1...
  • Page 81 J1-1 J1-3 J2-6,7 J2-8 DATA J2-1,2 +24VDC PORT PORT POWER SUPPLY J1-3 J1-1 J10-1 +24VDC KEYPAD DATAKEY TACH J10-2 CONTROL BOARD J10-3 J10-4 DISPLAY VFD BOARD BOARD RADIANT CONVECTION ST1-1 TCOs J4-2 J4-1 ST1-2 ANTENNA MOTORS CONV BLOWER J9-1 J9-2 J7-1 CONTROL J14-1...

This manual is also suitable for:

Mxp seriesAxp20Mxp20Axp22Mxp22

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