Amana AXP20 Service Training Manual Download Page 78

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J12

CONTROL

BOARD

J13

J10

J14

J11

J15

DISPLAY

BOARD

DATA KEY

BOARD

MAG TCO

SNUBBER

POWER

RELAY

CAPACITOR 1

MAG TCO

RECTIFIER

CAPACITOR 2

POWER

CORD

LEFT

ANTENNA

MOTOR

LEFT

POWER

XFMR 2

COM

230

RECTIFIER

WIRING DIAGRAM

PART NO. 20000403

WIRE CODE

HIGH VOLTAGE

LOW VOLTAGE

BLUE BU BLACK BK ORANGE OR BROWN BR

PINK PK WHITE WH YELLOW YL RED RD

GRAY GY GREEN GN VIOLET VT TAN TN

200

RIGHT

POWER

XFMR 1

COM

230

200

TOP CONVECTION HEATER

ST1

ST2

CONVECTION BLOWER

KEYPAD

TOUCH

SCREEN

DISPLAY

PRIMARY

INTLK

SWITCH

TERM

BLOCK

COM

RADIANT RTD

THERMOCOUPLE

MAGNETRON 2

SECONDARY

INTLK

SWITCH

COM

FUSE F6

FUSE F5

FUSE F2

FUSE F1

MAGNETRON 1

RADIANT

HEATER

TRIAC TR4

CONVECTION

HEATER

TRIAC TR3

CONVECTION RTD

BOTTOM RADIANT HEATER

XFMR

TRIAC

TR2

LEFT

COOLING

FAN

RIGHT

COOLING

FAN

XFMR

TRIAC

TR1

RIGHT

ANTENNA

MOTOR

FILTER

BOARD

LIMITER

TERM

BLOCK

POWER SUPPLY

BOARD

MONITOR

INTLK SWITCH

RELAY

BOARD

Summary of Contents for AXP20

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

Page 2: ...6SHFL FDWLRQV 2YHQ 3HUIRUPDQFH 7HVW 3 0 3 3 0 3 LVSOD LDJQRVWLFV 3 0 3 ...

Page 3: ...Important Safety Information 1 ...

Page 4: ... ITISTHETECHNICIANSRESPONSIBLITYTOREVIEWALL APPROPRIATESERVICEINFORMATIONBEFOREBEGINNINGREPAIRS WARNING Toavoidriskofseverepersonalinjuryordeath disconnectpowerbeforeworking servicingonappliancetoavoid electrical shock Tolocateanauthorizedservicerpleasecontact ComServ Support Center Web Site Telephone Number WWW ACPSOLUTIONS COM E Mail commercialservice acpsolutions com 1 866 426 2621 or 319 368 8...

Page 5: ...cer is to cease repair and contacttheACPComServ Department immediatelyforfurtherdirection ACP willcontacttheproperGovernment Agency upon verification of the test results 1 Always operate the unit from an adequately grounded outlet Do not operate on a two wire extension cord 2 Beforeservicingtheunit ifunitisoperable perform themicrowaveleakagetest 3 Theovenshouldneverbeoperatedifthedoordoes not fit...

Page 6: ...5 6 2 0 7 8 9 5 1 7 0 7 0 1 7 0 0 7 0 7 0 1 0 1 9 0 3 8 1 1 3 0 0 3 8 RI RYHQ LV VSHFL FDOO GHVLJQHG WR KHDW FRRN A 3 1 1 2 1 0 3 0 6HH GRRU FOHDQLQJ LQVWUXFWLRQV RQ SDJH RI B 0 C 0 VHUYLFHG 21 E TXDOL HG VHUYLFH SHUVRQQHO 1 D 0 0 0 E 0 F 6 8 A 0 RU FRPPHUFLDO XVH RQO 6 HOHFWULFDO VKRFN UH RU LQMXU WR SHUVRQV LQFOXGLQJ WKH IROORZLQJ WARNING ...

Page 7: ...VN RI UH LQ WKH RYHQ FDYLW 3 2 1 3 1 3 0 2 8 3 H 1 1 0 3 8 3 0 7 2 6 0 1 0 0 1 3 1 0 1 0 3 H 1 G I D 6 5 5 A R QRW XVH DOXPLQXP IRLO LQ RYHQ B 0 C 6 J RWKHU V QWKHWLF EHUV HDWHG V QWKHWLFV FRXOG I D 5 1 WARNING WARNING CAUTION ...

Page 8: ...AXP20 MXP20 AXP22 MXP22 60 Hz Specifications Installation Unpacking the oven Oven Clearances Power Specification Input Output Consumption Dimensions Weight 2 ...

Page 9: ...Oven Clearances K L M N O P N O Q R K S T O U V W X Y Z K _ S N T a b c W a a N d W Q a T W b Q e f Y g h i V S _ N j V a T W O W X V T W O N k X Q N l N j N m T X h M N O n X Q T O X W Q U N X W a Y g o p q _ S N T a b c W a a N d DW OHDVW FP RI FOHDUDQFH W O N k X Q N l N j N m T X h r O N l T O W U O ÀRZ DURXQG RYHQ FRROV HOHFWULFDO FRPSRQHQWV LWK UHVWULFWHG DLU ÀRZ N m T X S W s X N Q N l T O ...

Page 10: ... Watts Microwave only 4200 Watts Convection fan 425 Watts 6200 RPM Radiant heater 3000 Watts Convection heater 2000 Watts Combination 5300Watts Dimensions Cabinet in cm 25 63 5 cm Width 20 25 51 cm Height 25 625 65 cm Depth includes bracket on back Oven Interior in cm useable space Width 16 0 41 cm Height 7 75 20 cm Depth 15 0 38 cm Weight lbs kg Uncrated 150 lbs 68 kg Crated 175 lbs 79 kg 0LQLPXP...

Page 11: ...AXP20 MXP20 AXP20 MXP22 60 Hz Quick Start Reference Guide 3 ...

Page 12: ... WLPH DQG Ü ð ñ ò Ü ó Ý Þ Û Þ Ü 3ODFH IRRG LQ RYHQ DV LQGLFDWHG RQ TOUCH SCREEN KEYPAD Ü ß à á à á â ô º õ ö º Ã ø º º ù Ã ú Á Ä û º ø Ã º º Ç ö º Æ Å º º ù Ã ú û Ä º Æ º º À Ã ø Æ Æ Æ À Ç MENU 2 Pasta Pizza 3 Meats 4 Seaf Sub 5 Dess Soup 6 Breakfast BACK MANUAL COOK 1 Appet Side MENU 2 Pasta Pizza 3 Meats 4 Seaf Sub 5 Dess Soup 6 Breakfast BACK MANUAL COOK 1 Appet Side Appet Side 2 Non Meat 3 Chi...

Page 13: ...sh BACK MANUAL COOK Push 1 2 PROGRAM MENU OVERVIEW MENU 2 Pasta Pizza 3 Meats 4 Seaf Sub 5 Dess Soup 6 Breakfast BACK EDIT MENU 1 Appet Side EDITING FOOD CATEGORY SCREEN A B MENU 2 Pasta Pizza 3 Meats 4 Seaf Sub 5 Dess Soup 6 Breakfast BACK EDIT MENU 1 Appet Side Appet Side 2 Non Meat 3 Chicken 4 5 Fries 6 Vegetables BACK EDIT MENU 1 Misc ASSIGNED NAME Misc SPACE CLEAR BACK SAVE C EDITING MAIN MEN...

Page 14: ... X 6 2 1 4 1 0 Y 6 2 1 4 1 4 3 0 Z 3 6 2 1 4 1 0 2 1 QSXW GHVLUHG 5 KHDWLQJ VHWWLQJ á I QHFHVVDU UHSHDW VWHSV WKURXJK IRU VWDJHV DQG ó á TOUCH SCREEN ü _ _ ý ü KEYPAD Push Push Push Push Push Push a b c d a b c d a b c d a b c d a b c d ASSIGNED NAME Mozz Ch St SPACE CLEAR BACK SAVE TOUCH SCREEN 4 5 6 7 8 A CREATING NEW ITEM GROUP B BACK CREATE CONFIRM OVERWRITE OF MENU 2 Pasta Pizza 3 Meats 4 Sea...

Page 15: ...until door is opened Three beeps once 8 End of Cycle Beep Three beeps repeating Off 30 Seconds 60 Seconds 9 Keyboard Window 120 Seconds Off 10 Preheat Warnings Warn if oven not at temp Temperatures are displayed in ºF for 60 Hz models 11 Temperature Scale Off Displays every 7 days Displays every 30 days 12 Clean Filter Displays every 90 days From Preheat go to Ready 13 Auto Menu From Preheat go to...

Page 16: ...ed operation by highlighting Transfer card to oven or Transfer oven to card with the knob 6 Press the Start pad to begin the transfer The screen will indicate transferring and indicate done when transfer is complete 8 Remove EZCard and close the protective cover Note You can exit from programing the oven by pressing off keypad 7 Press the SAVE pad to complete the process Standby Mode Press and Hol...

Page 17: ... ë Ê ò ç ø ù È ê Ë Î È ê ç Ê ê 21 2 H SDG ú Ô Ó Ó à Ø Ú Ô á Ô Û à Ø û Ô Ü Ø à ü Ü Ø û Ô Ü Ø ä ä å ý þ Û Ü ß â Ù Ù Ö Ø Ü à â Ü ü Ô à Ø ü Ü â ä à Ô ÿ Ú Ô Û à ü Ô â Ó Ø û Ô þ å ú Ô Ó Ó à Ø Ö á Ô Ö Ó Ô à à Ô ÿ Ú Ô Û à ü Ô ú Ô Ó Ó à Ø Ö á Û Ü ã Ô à Ô ÿ Ú Ô Û à ü Ô å ú Ô Ó Ó ü ÿ Ô Ô Ú Û Ý Ó à Ø Ô Ü à Ô Ø Ö á Û Ü ã Ô à Ô ÿ Ú Ô Û à ü Ô å ú Ô Ó Ó Ü à Ô à Ø Ó Û û Ô å ú Ô Ó Ó à Ø Ú Ø ã Û ÿ Ü Ô ß Ú Ø Ý ü Ö à ...

Page 18: ... Ö Ø Ü à â Ü ü Ô à Ø ü Ü à Ø Ö Ø Ø Ù à á Ô Ø û Ô Ü å Ç á Ô Ø û Ô Ü Ø Ø Ù â Ü ã Ø Ý Ô Ö Ø Ü Û Ú Ú Ô Û Ó Û Ü Ý Ó à Û Ó Ø Ü ü Ü à â Ù à á Ô Ø û Ô Ü à Ô ÿ Ú Ô Û à ü Ô â Ó Ô Ù Ø ß þ ý å Ç Ø Û û Ø â Ý Ý Û ÿ Û ã Ô à Ø à á Ô Ö Ø Ü û Ô Ö à â Ø Ü ÿ Ø à Ø Ý Ø Ü Ø à à ü Ü Ø ä ä Ú Ø ß Ô ü Ü Ú Ù ü ã ã â Ü ã à á Ô ü Ü â à Ø Ó á ü à à â Ü ã Ø ä ä à á Ô Ú Ø ß Ô Ô Û Ô ü Ü à â Ù à á Ô ä Û Ü Ó à Ø Ú Ó å 2YHQ 2II FRQ ...

Page 19: ...kfast 2 Poultry 3 Meat 4 Seafood 5 Vegetarian 6 7 8 9 0 Sandwich THREE MENU LEVELS TWO MENU LEVELS ONE MENU LEVEL Use Scroll Up and Scroll Down to highlight food categories 1 Breakfast 2 Poultry 3 Meat 4 Seafood 5 Vegetarian 6 7 8 9 0 Sandwich 1 Biscuit E B C 2 B fast Croissant 3 Croissant Sand 4 English Muff san 5 Biscuit S E C 6 7 8 9 0 Sandwich Breakfast 1 Biscuit E B C 2 B fast Croissant 3 Cro...

Page 20: ...å Z å Ú Ô Ü Ø û Ô Ü Ý Ø Ø Ú Ù Û Ö Ô ä Ø Ø Ý â Ü Ø û Ô Ü Û Ü Ý Ö Ù Ø Ó Ô Ý Ø Ø å å ú Ô Ó Ó Ü à Ô à Ø Ó à Û à Ö Ø Ø â Ü ã Ú Ø Ö Ô Ó Ó å å à Ô Ü Ý Ø ä Ö Ø Ø â Ü ã Ö Ö Ù Ô Ø û Ô Ü Ô Ô Ú Ó Û Ü Ý Ý â Ó Ú Ù Û Ó Û Ü â ÿ Û à â Ø Ü Û à â ã á à à Ø â Ü Ý â Ö Û à Ô ä Ø Ø Ý Ö Û Ü Ô Ô ÿ Ø û Ô Ý å W X 1 3 2 4 6 5 7 8 0 9 abc def jkl ghi mno tuv pqrs wxyz 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta Pizza 6 B...

Page 21: ... to Save A Manual Cook Program to the Menu I VDWLV HG ZLWK WKH FRRNLQJ UHVXOWV Û Ö á â Ô û Ô Ý ä Ø ÿ ÿ Û Ü ü Û Ù Ö Ø Ø â Ü ã Ó Û û Ô à á Ô ÿ Û Ü ü Û Ù Ö Ø Ø â à Ô ÿ V W å Ç Ø Ó Û û Ô Ú Ô Ó Ó Ü à Ô Ô Ú Û Ý å 5 Ú à â Ø Ü ÿ ü Ó à Ô Ó Ô à à Ø Ó Û û Ô Û ä à Ô ÿ Û Ü ü Û Ù Ö Ø Ø å å Y â ã á Ù â ã á à Ô Ü ü Û à Ô ã Ø ü Ó â Ü ã Õ Ö Ø Ù Ù Ò Ú Ø Õ Ö Ø Ù Ù Þ Ø ß Ü Ô Ú Û Ý Ø Ö Ô Û à Ô Ü Ô ß Ô Ü ü Û à Ô ã Ø Ü Û...

Page 22: ...CCESSING THE PROGRAM MENU Ü é ê à º é ë Ü ì í î í è ï é ì í î í è PROGRAM MENU OVERVIEW EDITING OR ADDING MENU PROGRAM SETTINGS 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta Pizza 6 Bake Dess 7 8 9 0 å ú Ô Ó Ó à á Ô Ü à Ô Ô Ú Û Ý Û Ü Ý Ö Ø Ø Ó Ô à à â Ü ã Ó ß â Ù Ù Û Ú Ú Ô Û å µ å Ò Ó Ô Õ Ö Ø Ù Ù Ò Ú Ø Õ Ö Ø Ù Ù Þ Ø ß Ü Ô Ú Û Ý à Ø Õ Ô Ù Ô Ö à Ç Ô ÿ Ú Ô Û à ü Ô Ç â ÿ Ô â Ö Ø ß Û û Ô þ Û Ü Û Ü Ý...

Page 23: ... 3 Vegetarian 4 Seafood 5 Pasta Pizza 6 Bake Dess 7 8 9 0 GLWLQJ GGLQJ 1DPH LQ 0HQX WHP UVW ô é é õ ì ö ø ù ú û ü ý þ ÿ ú Ó ù ú ß ú þ ü ù ú ú ý ú ø ù ÿ ú ú ù í ë ô é ì ò ó é ð 1 Breakfast 2 Poultry 3 Meat 4 Seafood 5 Vegetarian 6 7 8 9 0 Sandwich è à í ô º ñ ç 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta Pizza 6 Bake Dess 7 8 9 0 ð é ì ç ñ ç 1 Breakfast 2 Poultry 3 Meat 4 Seafood 5 Vegetarian ...

Page 24: ...rams allowed 07 Door Reset Opening door resets timer Opening door pauses cook cycle 08 Keyboard Activation Off 30 Seconds 60 Seconds 120 Seconds 09 Keybeep On Off 10 Keybeep Volume Low Medium High 11 End Of Cycle Beep Three beeps once Three beeps repeating Continuous until door is opened 12 Preheat Warning Warn if oven not at temp Off 13 Temperature Scale Temperatures are displayed in F for 60Hz m...

Page 25: ... 8 S 3 6 6 1 5 1 7 1 P 5 6 1 N N 9 J K Q J 7 1 6 S 1 P 1 8 7 7 O 1 1 N 9 6 1 3 5 1 6 7 9 3 J O 9 K O P 9 K O 7 9 J K Q 6 J N 1 6 8 6 7 3 3 4 1 J S 3 6 Q 6 J N 1 6 3 4 1 J WR ÀDVK GULYH S _ 9 7 O 7 O 1 í î í è A B C D 9 7 7 P 1 N 7 E F C G A H I F 1 3 6 1 5 6 3 8 1 1 9 J K 7 3 7 1 5 a a M 6 1 N N 7 O 1 Q M 6 3 K 6 2 S 5 7 3 1 K 9 J 7 O 1 7 6 J N 1 6 b O 1 N 8 6 1 1 J _ 9 P P 9 J 9 8 7 1 S 0 c d e 0...

Page 26: ...AXP20 MXP20 AXP22 MXP22 60 Hz Oven Construction 4 ...

Page 27: ...Air Filters Top Outer Panel Left Outer Panel Outercase Back OVEN CONSTRUCTION PANELS TOP SIDE Right Outer Panel Torx T 15 Torx T 15 Door AXP j k l l k j m n o p q r s t j m n o p q r l k l r l s ...

Page 28: ......

Page 29: ...n 1 High Voltage Transformers Magnetron TCO s Temp Sensor RTD Convection Switch Primary Triac TR2 Triac TR1 Magnetron 1 HV Transformers Magnetrons Fuses Sensor Triac s Magnetron TCO s Capacitor Diodes Capacitor Diode Right Side Capacitor Diode Left Side Magnetron 2 Magnetron 2 Convection Heater Note If Main Fuse F1 is blown replace Relay Monitor Board and Power Relay Convection Heater Element ...

Page 30: ...ermocouple RTD Temp Sensor RTD Radiant Power Supply Board 24 VDC Circuit Boards Power Relay Limiter Triac Thermocouple RTD Temp Sensor RTD Cooling Fans Convection Motor Snubber Note If Main Fuse F1 is blown replace Relay Monitor Board and Power Relay Catalytic Converter Located inside plenum 2YHQ RQVWUXFWLRQ ...

Page 31: ...Display Knob Collar Knob Data Key Board Data Key Board Holder AXP20 MXP20 CONTROL PANEL ASSEMBLY Data Key Plug Caution Do not handle touch screen display by the sides This may damage the display circuitry Handle using the corners Bezel Filter Board 2YHQ RQVWUXFWLRQ ...

Page 32: ... USB Board Eschutcheon Touch Panel Assembly Display Board VFD Board AXP22 MXP22 CONTROL PANEL ASSEMBLY USB Port Plug 2YHQ RQVWUXFWLRQ ...

Page 33: ...bly Antenna Rivet Plastic Radiant Heater Alignment Arrows Gear Assembly Antenna Rivet Plastic Antenna Motor Cam Note Plastic Rivet cannot be reused Note Requires 15 16 26mm Deep Socket Flat Washer Multi Wave Spring Washer Lock Nut 2YHQ RQVWUXFWLRQ ...

Page 34: ... 0 3 5HSODFHDEOH DYHJXLGH DYHJXLGHV k l q l u v w w x y z v w w x l s l l l r r q q l r q q l l r r l l q s i 1 6 2 9 8 6 4 1 K 9 1 q k l q r k l q r s q r l l k r q q l n q q k l r l l q s 3 0 3 HUDPLF 7UD i 1 6 2 9 8 6 ...

Page 35: ...AXP20 MXP20 AXP22 MXP22 60 Hz Interlock Switch Service 5 ...

Page 36: ... for proper switch activation 3 Tighten mounting screws 4 Preheat oven to set temperature and verify switch adjustment settings and function Note To ensure proper switch adjustment the switch mounting MUST be tightened after each adjustment prior to testing the door alignment Removal 1 Remove switch assembly mounting screw 2 Push switch assembly 1 2 inch 13mm towards back of oven 3 Twist mounting ...

Page 37: ...AXP20 MXP20 AXP22 MXP22 60 Hz Oven Performance Test 6 ...

Page 38: ...nce Test using microwave only follow these steps 2 Press MICROWAVE ONLY button 3 Press manual cook 1 Place filled 1000 ml test bowl in oven 6 Oven will beep remove test bowl from oven PREHEAT MENU 4 Press Pad 3 twice for 33 seconds 5 Press Start 7 Press OFF to return to PREHEAT MENU See page 11 for Oven Performance Test procedure j q j u j z j u j t z j z t u j t k l z t u s l r q r s z t u k l k ...

Page 39: ...k q l l k q l l r k l q k n o s q l l k q l l r k l z q r l q s s k k k y t p k s o s k k r l k k r k r s 6HH SDJH IRU 2YHQ 3HUIRUPDQFH 7HVW SURFHGXUH j q j q r l l l r k n s l q s w s r r q s n r l l k k k l s s l q s s r q q s 3ODFH OOHG PO WHVW ERZO LQ RYHQ s k s s r l l k r l s IWHU WHVW LV FRPSOHWH UHWXUQ WR RSWLRQV DQG UHVHW RSWLRQ IURP AXP20 P1333601M Radiant RTD Convection RTD s ...

Page 40: ...o ten seconds measure and record the temperature T1 3 Place test container of water in the center of oven cavity and close door 4 Heat the water for a 33 second full power cycle NOTE Use a digital watch or a watch with a second hand for ovens with electromechanical timers 5 At end of the cycle remove test container Using the thermometer stir water for five to ten seconds and record temperature T2 ...

Page 41: ...AXP20 MXP20 AXP22 MXP22 60 Hz Component Testing Procedures 7 ...

Page 42: ...0 8 VAC when energized If no voltage check H V board and wiring Capacitor Discharge Capacitor Remove wires from capacitor terminals and connect ohmmeter set on highest resistance scale to terminals Also check between each terminal and capacitor case Between Terminals Meter should momentarily deflect towards zero then return to over 5 M If no deflection occurs or if continuous deflection occurs rep...

Page 43: ... from terminals Measure resistance across heating element Element 3000 W Approximately 14 Thermocouple RTD Temperature 32qF 350qF Resistance 1000 1654 0 1 2 4 6 8 Relay This relay contains a diode in the coil circuit Measure resistance from Terminal 0 to terminal 1 coil 0 1 2 4 6 8 Approximately 6 to 7 M NOTE Analog meter is recommended for measurement NOTE If using a digital meter it must contain...

Page 44: ...AXP20 MXP20 60 Hz Service Test 8 ...

Page 45: ...he control boards and information about door cycles and tube hours 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 CLEAR INFO Press this pad to reset the Door Cycles and Tube Hours back to zero EXIT Press this pad to return to the ovens Main Menu Hidden Pad 1 1 Press OFF pad until PRESS TO PREHEAT appears 2 Press Hidden ...

Page 46: ...is pad to return to the Main Menu RANGE Under normal operation each mag s amp draw should be 5 12 amps Manual Operation of Magnetron 1 Screen This screen will allow operation of Magnetron 1 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...

Page 47: ...pad to return to the Main Menu RANGE Under normal operation the amp draw should be 5 12 amps Convection Heater Screen This screen will allow operation of the convection 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...

Page 48: ...nu RANGE Under normal operation the amp draw should be 10 16 amps 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 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 convection fan on...

Page 49: ... pad to return to the Main Menu RANGE Under normal operation the amp draw should be 0 6 2 6 amps Cooling Fan Screen This screen will allow operation of the cooling fan 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 cooling fan on and of...

Page 50: ...o return to the Main Menu RANGE Under normal operation the amp draw may be to low to read 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 are also recorded for diagnostic purposes 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 CANC...

Page 51: ... TEST Press this pad to go to the previous Service Mode Test CANCEL Press this pad to return to the Main Menu Error List Screen This screen will show a description of the types of errors that can occur 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 12 13 6HUYLFH 7HVW 3 0 ...

Page 52: ...through the history of the error codes 1 10 CANCEL Press this pad to return to the Main Menu Voltage Switching Screen This screen will show the line voltage detected by 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 CANCEL Press this pad to return to the Main Menu Note To clear codes Press and hold Pad 1 until ...

Page 53: ...AXP20 MXP20 60 Hz Troubleshooting 9 ...

Page 54: ... Loose Wire Connection Yes Error Code Appears 1 Refer To Display Diagnostics PLUG OVEN IN No No PREHEAT TEMP 520 F PRESS TO PREHEAT PROGRAM CHANGE TEMP PREHEAT TEMP 520 F PROGRAM CHANGE TEMP 2 Clear Error History After Oven is Repaired NORMAL DISPLAY NORMAL DISPLAY POWER UP CONDITION Go to PREHEAT Condition PRESS TO PREHEAT See component test procedures section for testing procedures and results 4...

Page 55: ...NG PREHEAT TEMP 520 F PROGRAM CHANGE TEMP MENU BACK MANUAL COOK 1 2 3 4 5 6 READY PREHEAT TEMP 520 F PROGRAM MANUAL COOK MENU CHANGE TEMP PREHEAT CONDITION Indicates Rising Temperature OVEN PREHEATING PREHEAT TEMP 520 F PROGRAM CHANGE TEMP MENU BACK MANUAL COOK 1 2 3 4 5 6 READY PREHEAT TEMP 520 F PROGRAM MANUAL COOK MENU CHANGE TEMP NORMAL DISPLAY NORMAL DISPLAY NORMAL DISPLAY Indicates Temperatu...

Page 56: ...TEST Yes MICROWAVE CONDITION S SE ER RVI VIC CE E MO MOD DE E O OVEN VEN INFO INFORMAT RMATION ION DISP DISPLAY LAY VERS VERSION ION 0 3 0 39 9 MAIN MAIN VER VER 0 0 46 E 46 EE 0 E 0 3 3 DOOR DOOR CYC CYCLES LES 20 1 20 156 56 TUBE TUBE HRS HRS 21 2156 E 56 EE 25 E 255 5 NEXT NEXT TEST TEST PREV PREV TEST TEST EXIT EXIT CLEA CLEAR R INFO INFO SE SER RVI VIC CE E MO MOD DE E MAGN MAGNETRO ETRONS NS...

Page 57: ...OOR OPEN DOOR PLACE FOOD CLOSE DOOR PLACE FOOD CLOSE DOOR IN OVEN 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 1 After food is placed in the oven the door is closed the display indicates 1 After food is placed in the oven the door is closed the display indicate...

Page 58: ...osed 2 Inoperative Power Relay 3 Inoperative Primary Interlock Switch 4 Inoperative Secondary Interlock Switch 5 Secondary Interlock Switch out of Adjustment 6 Broken or Loose Wire Connection 7 Inoperative HV System Magnetron See component test procedures section for testing procedures and results CHASSIS MEMORY ERROR 1 Unplug the oven and remove right side panel 2 Disconnect the data key board co...

Page 59: ...AXP20 MXP20 60 Hz Display Diagnostics 10 ...

Page 60: ... Ê Ä Æ µ Ã Ì Â Æ Å Í Ì Î Í Â Æ µ Ã Ï Ê Ð Ñ À Ñ Æ Ã Ò Ó Ç ª Ô Î Ï Ê ª Õ È É µ º ª Ã ª Ö Ê È Ä Ä Æ µ Ã Ó Â Æ Å ª Î Ø Ô Î µ Ã Ó Â Æ Å ª ª Ã ª Ï Ê Ä À Æ É Ç Î Ã ª Ì À Ù È Ú Ù Ä Í Ï Ê Ä É ª À Ç Î Ã ª Ì É ª Û Í Ü Ê Ë ª À ª ª Ç ª Î Ã Ö È Ã ª Ü Ê È À ª Á Ë Ç ª Ô Ò Ó Ç ª Ü Ê Ä À ª Á Â Ã ª Ü Ê Ø À ª Á Â Ã ª À Ê É Ë Ý Ã Ç Î Ã ª Ì À Ù È Ú Ù Ä Í À Ê È À È Ý Ã Ç Î Ã ª Ì À Ù È Í À Ê Ä À Ä Ý Ã Ç Î Ã ª Ì À Ù Ä Í Þ...

Page 61: ...AXP22 MXP22 60 Hz Service Test 11 ...

Page 62: ...ycles and Tube Hours back to zero 1 1 Press OFF pad until Icon appears 2 Press Hidden Pad 3 Press pads 1 3 5 7 9 The display indicates SERVICE MODE 1 3 2 4 6 5 7 8 0 9 abc def jkl ghi mno tuv pqrs wxyz Hidden Pad SERVICE MODE OVEN INFORMATION DISPLAY VERSION 11 MAIN VER 73 EE 3 DOOR CYCLES 1149 TUBE HRS 2156 01 S SE ER RV VI IC CE E M MO OD DE E O OVE VEN N IN INFO FORM RMAT ATIO ION N DI DISP SPL...

Page 63: ...s being drawn 2 3 SERVICE MODE Magnetron 1 9 AMPS 02 S SE ER RV VI IC CE E M MO OD DE E Ma Magn gnet etro ron n 1 1 9 9 AM AMPS PS 0 02 2 number number previous SERVICE MODE Magnetron 2 9 AMPS 03 S SE ER RV VI IC CE E M MO OD DE E Ma Magn gnet etro ron n 2 2 9 9 AM AMPS PS 0 03 3 This pad will turn the magnetron off Press this pad to go to the next Service Mode Test Press this pad to go to the pre...

Page 64: ...uld be 5 12 amps amps previous This pad will turn the heater off RANGE Radiant Heater Screen This screen will allow operation of the radiant heater and show the number of amps being drawn 6 SERVICE MODE Radiant Heater 11 AMPS 05 SE SER RVI VIC CE E MO MOD DE E Ra Radi dian ant t He Heat ater er 11 11 A AMP MPS S 0 05 5 Press this pad to go to the next Service Mode Test Press this pad to go to the ...

Page 65: ...vec ecti tion on F Fan an Lo Low w 0 0 0 0 AM AMPS PS 0 06 6 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 8 Press this pad to go to the next Service Mode Test Press this pad to go to the previous Service Mode Test This pad will turn the fan on high speed RANGE Under normal operation the amp draw is t...

Page 66: ...g Fa Fan n 0 0 0 0 AM AMPS PS 0 08 8 Antenna Motors Screen This screen will allow operation of the antenna motors and show the number of amps being drawn 10 Press this pad to go to the next Service Mode Test Press this pad to go to the previous Service Mode Test This pad will turn the antenna motors on RANGE Under normal operation the amp draw may be to low to read number previous This pad will tu...

Page 67: ...evious Service Mode Test previous previous Press the 0 pad for 5 seconds to reset the Maximum RTD temps to zero Memory Network Status Screen This screen will show which memory chips are present and if the oven is hooked up to an external network 12 SERVICE MODE Memory Network Chassis Memory Present DataKey Absent RS4485 Network OK 11 S SE ER RV VI IC CE E M MO OD DE E Me Memo mory ry N Net etwo wo...

Page 68: ...e previous Service Mode Test previous Voltage Switching Screen This screen will show the line voltage detected by the oven 14 SERVICE MODE Voltage Switching 208 Volt 13 S SE ER RV VI IC CE E M MO OD DE E Vo Volt ltag age e Sw Swit itch chin ing g 2 208 08 V Vol olt t 1 13 3 Press this pad to go to the next Service Mode Test Press this pad to go to the previous Service Mode Test previous Press this...

Page 69: ...AXP22 MXP22 60 Hz Troubleshooting 12 ...

Page 70: ...6 Inoperative 24 Volt Power Supply Board 7 Broken or Loose Wire Connection Yes Error Code Appears 1 Refer To Display Diagnostics Section PLUG OVEN IN No No 2 Clear Error History After Oven is Repaired NORMAL DISPLAY NORMAL DISPLAY POWER UP CONDITION Go to PREHEAT Condition See component test procedures section for testing procedures and results ...

Page 71: ...n Heater 4 Inoperative Temp Sensor RTD Radiant 5 Inoperative Main Board 6 Broken or Loose Wire PREHEAT CONDITION NORMAL DISPLAY NORMAL DISPLAY See component test procedures section for testing procedures and results See component test procedures section for testing procedures and results 1 Sandwich 2 Meat 3 Vegetarian 4 Seafood 5 Pasta Pizza 6 Bake Dess 7 8 9 0 1 3 2 4 6 5 7 8 0 9 abc def jkl ghi ...

Page 72: ...EE 3 DOOR CYCLES 1149 TUBE HRS 2156 PRESS ENTER Yes MICROWAVE CONDITION Hidden Pad No Yes NORMAL DISPLAY NORMAL DISPLAY 6 Inoperative Triac TR1 TR2 See component test procedures section for testing procedures and results See component test procedures section for testing procedures and results See component test procedures section for testing procedures and results See component test procedures sec...

Page 73: ... closed 2 Inoperative Power Relay 3 Inoperative Primary Interlock Switch 4 Inoperative Secondary Interlock Switch 5 Interlock Switch Assembly out of Adjustment 6 Broken or Loose Wire Connection 7 Inoperative HV System Magnetron Change Option Code 12 to OFF PREHEAT OVEN NOT AT PREHEAT OVEN NOT AT TEMPERATURE 1 At the end of a cook cycle and the food is removed and the door is closed the display ind...

Page 74: ... board connector from the display board Figure 1 3 Plug the oven in See Caution below 4 Carefully reinstall data keyboard connector onto the display board 5 Press and hold Pad 2 The display will indicate user options 6 Press Save pad Note If chassis memory error returns replace data keyboard CAUT ION Oven is energized use care when plugging connector into data key board Option 12 This is activated...

Page 75: ...AXP22 MXP22 60 Hz Display Diagnostics 13 ...

Page 76: ... ú ò ù ò ø ö ì ö ð ù ö ö ô ö ô í î ö ú ð ø ø ò ö ð ï ð ì ù ò ð ï ð ö þ ò î ö î ó ö ù ï ó ö ù ò ð ð ö ù ò ó ò ð ú î ï ð û ò î ó ô ü ü ö þ ö ó ú ò ù ò ø ö õ ý î ð ô ó ö ø î ù ö ï ð ö ù ö þ þ î ó ÿ ö ó ú ò ù ò ø ö õ ý ö þ ò ò ô ó ö ø î ù ö ö ø ö ù ó ò ð ï ù ø ï ú ï ö ó ü í î ð ö ó ò ð ö ó ò ó ú þ ö ó ï ù ö ö þ í î ð ö ó ò ð ü ü ò ò ø ï ð í ò ò ó ö ó ò ó ú þ ö ó ï ù ö ö þ ò ò ø ï ð î ð ì ï ð î ø í ï þ...

Page 77: ...AXP20 MXP20 AXP22 MXP22 60 Hz Wiring Diagrams Schematics 14 ...

Page 78: ...CTION BLOWER KEYPAD J7 TOUCH SCREEN DISPLAY PRIMARY INTLK SWITCH TERM BLOCK NO COM NC RADIANT RTD WH THERMOCOUPLE MAGNETRON 2 YL BR BU GY OR VT VT SECONDARY INTLK SWITCH NO COM NC GY OR VT BR RD YL VT YL OR BU OR BK VT FUSE F6 BU GY FUSE F5 BU BK GY GY VT VT WH YL RD WH BK YL BK YL FUSE F2 F3 F4 BR BR FUSE F1 OR BK BK OR RD RD RD BU RD RD RD YL YL YL YL MAGNETRON 1 WH BK RD RD 1 G 2 RADIANT HEATER...

Page 79: ...J5 6 J7 5 J7 6 J3 L CONTROL J2 3 J2 5 GND 24VDC U17 13097406 J14 2 J9 1 J8 7 J9 2 J4 1 G T1 T2 TR1 J14 1 J8 8 U19 U8 K1 G T1 T2 40ATR3 G T1 T2 40ATR4 G T1 T2 TR2 J9 3 J9 4 SECONDARY INTERLOCK PRIMARY INTERLOCK U10 U15 J5 1 J5 3 J5 4 J5 2 K2 J5 5 2 4 0 1 6 8 MONITOR INTERLOCK G T1 T2 40ATR2 J8 2 J8 3 J8 1 U11 K3 J6 3 J6 1 J6 2 200 230 CONTROL U14 K4 J6 6 J6 4 J6 5 200 230 G T1 T2 40ATR1 J8 5 J8 6 J...

Page 80: ... LULQJ LDJUDP 6DPSOH 3 0 3 47 ...

Page 81: ... J7 1 J7 2 J5 6 J7 5 J7 6 J3 L CONTROL J2 3 J2 5 GND 24VDC U17 20041301 J14 2 J9 1 J8 7 J9 2 J4 1 G T1 T2 TR1 J14 1 J8 8 U19 U8 K1 G T1 T2 40ATR3 G T1 T2 40ATR4 G T1 T2 TR2 J9 3 J9 4 SECONDARY INTERLOCK PRIMARY INTERLOCK U10 U15 J5 1 J5 4 J5 3 J5 2 K2 J5 5 2 4 0 1 6 8 MONITOR INTERLOCK G T1 T2 40ATR2 J8 2 J8 3 J8 1 U11 K3 J6 3 J6 1 J6 2 200 230 CONTROL U14 K4 J6 6 J6 4 J6 5 200 230 G T1 T2 40ATR1 ...

Page 82: ... 0 1 2 3 4 5 6 7 8 8 9 5 8 2 9 2 ZZZ DFSVROXWLRQV FRP ...

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