Jenn-Air JMW8527DA Series Service Manual Download | Manualshive

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Wall Oven Testing Procedures

!

WARNING

To avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unless
testing requires it.

©2004 Maytag Appliances Company

16022821 Rev. 0

17

Relay Logic
Note that this chart was correct at time of printing; subsequent changes to cooking parameters may alter it.

COOKING MODE

BA

KE

BR

O

IL

C

O

N

V

EC

T EL

EM

E

N

T

CONV

E

C

T FA

N

COOL

IN

G FA

N

OV

E

N

L

IGHT

IDLE

r

r

r

r

BAKE PREHEAT

r

r

BAKE

r

r

BROIL PREHEAT

r

r

r

BROIL

r

r

r

CLEAN PREHEAT

r

r

r

CLEAN

r

r

r

KEEP WARM

r

r

r

CONVECT BAKE PREHEAT

CONVECT BAKE

CONVECT ROAST PREHEAT

CONVECT ROAST

PROOFING PREHEAT

r

r

r

PROOFING

r

r

r

DRYING PREHEAT

r

r

r

DRYING

r

r

r

KEY INDEX

- OFF

- ON

- CYCLING

- ON OR OFF (DETERMINED BY USER INPUT)

- TEMPERATURE CONTROLLED

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Summary of Contents for JMW8527DA Series

Page 1: ...els This manual includes but is not limited to the following JMW8527DA JMW8530DA JMW9527DA JMW9530DA MMW5530DA 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 16022821 Revision 0 January 2004 ...

Page 2: ...NING REPAIRS WARNING To avoid risk of severe personal injury or death disconnect power before working servicing on appliance to avoid electrical shock To locate an authorized servicer please consult your telephone book or the dealer from whom you purchased this product For further assistance please contact Customer Service Support Center CAIR Center Web Site Telephone Number WWW AMANA COM 1 800 84...

Page 3: ...Oven Disassembly Procedures RemovingandReplacingUnit 27 Control Panel Assembly 27 Control Board Assembly 27 TouchPanel 27 SideTrim s 27 StepdownTransformer s 27 OvenHighLimit 27 Oven Sensor some models 28 Oven Sensor some models 28 Broil Element Broil Element Reflector 28 ConvectionFanAssembly 28 Oven Bake Element 28 Door Latch Door Light Switch Assembly 28 Oven Light Assembly 29 OvenDoorRemoval 3...

Page 4: ...burners Do not use a towel or other bulky cloth SELF CLEANING OVEN 1 Do Not Clean Door Gasket The door gasket is essential for a good seal Care should be taken not to rub damage or move the gasket 2 Do Not Use Oven Cleaners No commercial oven cleaner or oven liner protective coating of any kind should be used in or around any part of the liner 3 Clean Only Parts Listed in Manual See Cleaning secti...

Page 5: ...t compartment Some types of failures will leave a charge in these capacitors and the discharge could cause a reflex action which could make you injure yourself 7 In the area of the transformer capacitor diode and magnetron there is HIGH VOLTAGE When the unit is operating keep this area clean and free of anything which could possibly cause an arc or ground etc 8 Do not for any reason defeat the int...

Page 6: ...hile pulling the door 4mW cm2 or less 1 Pour 275 15 cc 9 oz 1 2 oz of 20 5 C 68 9 F water in a beaker which is graduated to 600 cc and place the beaker in the center of oven 2 Set the radiation monitor to 2450 MHz and use it following the manufacturer s recommended test procedure to assure correct results 3 While measuring the leakage always use the 2 inch 5 cm spacer supplied with the probe 4 Pre...

Page 7: ... Black C Brushed Chrome H Traditional White L Traditional Almond P Prostyle Q Monochromatic Bisque S Stainless T Traditional Bisque W White on White F Frost White True Color White N Natural Bisque True Color Bisque This manual provides basic instructions and suggestions for handling installing and servicing electric combination microwave wallovens The directions information and warnings in this ma...

Page 8: ... element lower element and fan operate during convection bake Convection bake should be used for cooking casseroles and roasting meats Oven should be preheated for best results when using convection bake Pans do not need to be staggered Convection Broil some models Top element and fan operate when using convection broil Convection broil can be used to cook foods that are normally broiled Oven does...

Page 9: ...nn Air product call 1 800 462 9824 or visit the Web Site at www maytag com or www jennair com For product inCanada call 1 866 587 2002 or visit the Web Sites at www amana com or www maytag com or www jennair com Warranty service must be performed by an authorized servicer We also recommend contacting an authorized servicer if service is required after warranty expires Parts and Accessories Purchas...

Page 10: ...r not working Power outage Verify power is present at unit Verify that the circuit breaker is not tripped Replace household fuse but do not fuse capacity Refer to Use and Care Manual Operating Instructions if continues contact service Oven light does not operate Failed oven lamp Failed wiring Failed light socket Failed light plunger Check lamp and replace is necessary Check for broken loose or dir...

Page 11: ... discharge any static charge built up in your body CONDITION Microwave oven does not work Inserting many plugs into one outlet and using them at the same time blown fuse or breaker Microwave oven plug is not inserted tightly Output power is too low Low AC input voltage Food temperature is too low Using metallic ware and allowing it to touch the oven wall Sparks occur Inconsistent intensity of micr...

Page 12: ...ge capacitor Fuse blows again Normal Failed high voltage transformer Replace high voltage transformer Malfunction of the monitor switch Replace fuse primary monitor P C B Assembly Check continuity of monitor switch with door closed Check continuity of primary switch and door sensing switch with door opened Disconnect one side of the wire lead connected from transformer to the high voltage capacito...

Page 13: ...erminals 2600 W Approximately 21 Ω cold 2800 W Approximately 20 Ω cold 240 208 VAC Bake element Test continuity of terminals Test voltage to terminals Approximately 20 Ω cold 240 208 VAC Broil element Test continuity of terminals Test voltage to terminals Approximately 25 Ω cold 240 208 VAC Broil element Test continuity of terminals Test voltage to terminals Approximately 15 Ω cold 240 208 VAC Res...

Page 14: ...ith switch depressed and changes stat as switch is rotated No continuity with switch at rest position Continuity with switch depressed and changes stat as switch is rotated NC NO C Door plunger switch Remove switch from unit and measure the following points C NO Plunger in continuity Plunger out infinite Motorized door latch COM NO NC Switch connection in following positions Unlocked Locked COM NO...

Page 15: ...our display H1 Controlled Factory Default Press and hold Cancel and Keep Warm pads for 3 seconds Allows the clock to be reset to factory settings H1 Controlled Twelve hour off Control will automatically cancel any cooking operation and remove all relay drives 12 hours after the last pad touch See Sabbath mode to disable H1 Controlled Sabbath Mode Hold CLOCK pad for 3 seconds to activate Sabbath mo...

Page 16: ...Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Maytag Matrix Control Panel Assembly B ake B ro il K eep w arm Conv ect B ake Co nv ect R oast CA N CEL Clean Clock T imer Co o k Ho ld Fav orite Ov en L ight D elay A u to se t Continuity is indicated as follows 1000 6600 Ω for Cancel pad 1000 15000 Ω for All other pads 1 16 9 8 Pad 1 2 3...

Page 17: ...ing subsequent changes to cooking parameters may alter it COOKING MODE BAKE BROIL CONVECT ELEMENT CONVECT FAN COOLING FAN OVEN LIGHT IDLE r r r r BAKE PREHEAT r r BAKE r r BROIL PREHEAT r r r BROIL r r r CLEAN PREHEAT r r r CLEAN r r r KEEP WARM r r r CONVECT BAKE PREHEAT CONVECT BAKE CONVECT ROAST PREHEAT CONVECT ROAST PROOFING PREHEAT r r r PROOFING r r r DRYING PREHEAT r r r DRYING r r r KEY IN...

Page 18: ...N MDL relay activated COOK HOLD Displays last diagnostic code FAVORITE Displays EEPROM version number TIMER Displays main code version number CLOCK All display segments illuminated OVEN LIGHT Oven light activated CANCEL Exit Quick Test mode 1 Even segments on 2 Odd segments on 3 Convection Ring activated Convection Ring DLB activated 4 Bake relay activated 5 Broil relay activated 6 Convection rela...

Page 19: ...bles all outputs 1 2 Disables lights and timers 1c2c Keyboard loop improper value Nothing Disables audible for key depression Disables all outputs 1 Disables lights and timers 1c31 Cancel key improper value BAKE flashes 3 Disables all outputs for cavity 1 1c32 Cancel key improper value BAKE flashes 3 Disables all outputs for cavity 1 1c6c No response from EEPROM Nothing Disables all outputs 1 1c7c...

Page 20: ...unlocked position is achieved The unlock position may be identified by a successful unlock switch closure or as the result of timing when the unlock switch is not functioning properly If the last known good position was unlock e g baking or idle and a latch fault occurs the motor is never moved The fault is logged to EEPROM and is not seen by the user The detection for latch faults is in two stage...

Page 21: ...off Press SETUP pad Press DOWN ARROW pad to scroll to 12 HOUR SHUTOFF pad Select ON or OFF Select SET pad to activate Press SETUP pad to exit Allows the time on the clock to be toggled from 12 hour or 24 hour display UH1 2 Controlled Demo mode Press SETUP pad Press DOWN ARROW pad to scroll to DEMO pad Select DEMO to activate Press SETUP pad to exit Control will automatically cancel any cooking ope...

Page 22: ...y until the pad is pressed again Upon entering TEST Mode all relays are turned off except the DLB relays which are turned on All relays are turned off when the TEST Mode is exited Pad Pressed Relay or Action Activated Beep 1 Second Beep Version Version of software Last Fault Display last error code and oven configuration single double convection nonconvection DISP Test Display segments UBAKE Upper...

Page 23: ...ature 950 F door locked Latch locked 1 minute 3d11 Temperature sensor failure open Cook or Clean active 20 sec 3d12 Temperature sensor failure open Cook or Clean active 20 sec 3d21 Temperature sensor failure short Cook or Clean active 20 sec 3d22 Temperature sensor failure short Cook or Clean active 20 sec 3d41 Meat probe shorted Probe cook programmed 20 sec 3d51 Meat probe not calibrated Always 3...

Page 24: ...ll cooking functions for cavity 3d41 Probe resistance 0 Ω mssg 1 active mssg 2 data Disable all probe functions 3d51 Calibration value out of range mssg 2 Disable all probe functions 4d11 Door switch not closed when door is locked mssg 1 Disable Clean and lockout functions 5 4d12 Door switch not closed when door is locked mssg 1 Disable Clean and lockout functions 5 4d21 Reverse Airflow Fan rotati...

Page 25: ...unlocked position is achieved The unlock position may be identified by a successful unlock switch closure or as the result of timing when the unlock switch is not functioning properly If the last known good position was unlock e g baking or idle and a latch fault occurs the motor is never moved The fault is logged to EEPROM and is not seen by the user The detection for latch faults is in two stage...

Page 26: ... than 1 Ω Each terminal to ground measures Infinite resistance Note This test is not conclusive If oven does not heat and all other components test good replace the magnetron and retest Thermal cutout Disconnect all wires from TCO Measure resistance across terminals Magnetron TCO Cavity TCO Open at 230 F 110 C and closed at 194 F 90 C Opens at 320 F 160 C Primary Secondary Monitor Interlock switch...

Page 27: ...anel Assembly procedure steps 1 through 6 2 Remove screws securing control board bracket to control panel assembly 3 Label and disconnect ribbon terminal plug from control board assembly 4 Reverse procedures to reassemble Touch Panel 1 Remove control panel see Control Panel Assembly procedure steps 1 through 3 2 Remove screws securing touch panel to control panel assembly NOTE Touch panel is loose...

Page 28: ...ement Convection Fan Assembly 1 Turn off power to unit 2 Open oven door or remove oven door see Door Removal 3 Remove screws securing convection fan cover to convection fan assembly 4 Remove screws securing convection fan assembly to rear of oven cavity 5 Slide convection fan assembly down and tilt forward on the top portion to allow assembly to pass through rear oven cavity 6 Disconnect and label...

Page 29: ... Oven Light Socket some models NOTE Requires removal of unit from cabinet to replace oven light socket The oven light used on the wall oven is a 12 volt 10 Watt Halogen bulb The light automatically comes on when the door is opened or activation may occur via the light pad when the door is closed The light will not operate during a clean cycle The oven light will automatically come on one minute be...

Page 30: ...door see Door Removal 3 Remove control panel see Control Panel Assembly procedure steps 1 through 3 4 Remove the top and bottom screws securing hinge assembly to the front frame 5 Remove hinge from oven chassis 6 Reverse procedure to reassemble oven door hinge Frameless Door Disassembly 1 Remove oven door see Oven Door Removal procedure 2 Place door on a protected surface 3 Remove screws securing ...

Page 31: ...Oven Disassembly Procedures 2004 Maytag Appliances Company 16022821 Rev 0 31 Door handle Door face assembly Insulation Bottom shield Glass window Door linner shield Window frame Glass window double coated Oven door insulation Door linner Oven door gasket Door insulation retainer Door Assembly Frameless Door ...

Page 32: ...rom tipping forward 3 Remove screws securing trim piece to unit chassis 4 Reverse procedure to reassemble Control Panel Assembly NOTE Requires removal of unit from cabinet 1 Turn off power to the unit at the circuit breaker 2 Open oven door and microwave door to remove screws securing trim of unit to the cabinet opening NOTE Place a protective covering on the floor to avoid damage to the floor CAU...

Page 33: ...ring trim of unit to the cabinet opening NOTE Place a protective covering on the floor to avoid damage to the floor CAUTION To avoid risk of property damage and personal injury place blocking material underneath the front edge of the wall oven to prevent unit from tipping forward 3 Slide unit out of cutout 4 Remove screws securing top wrapper to chassis and remove top cover 5 Label and disconnect ...

Page 34: ...d on the bottom of the side air vent to allow limit switch to be removed 14 Reverse procedure to reassemble Oven Sensor NOTE Requires removal of unit from cabinet 1 Turn off power to the unit at the circuit breaker 2 Open oven door and microwave door to remove screws securing trim of unit to the cabinet opening NOTE Place a protective covering on the floor to avoid damage to the floor CAUTION To a...

Page 35: ...damage and personal injury place blocking material underneath the front edge of the wall oven to prevent unit from tipping forward 3 Slide unit out of cutout 4 Remove screws securing top and right side wrapper to chassis and remove top cover 5 Slide right side wrapper towards the back of the unit NOTE To release front edge of side wrapper slightly pry support bracket away from side wrapper 6 Disco...

Page 36: ...event unit from tipping forward 3 Slide unit out of cutout 4 Remove screws securing microwave to the wall oven front trim bracket back left and right sides 5 Tip unit on it s back 6 Remove screw securing access panel to bottom of microwave cabinet 7 Remove access panel 8 Disconnect wire terminals from turntable motor 9 Reverse procedure to reassemble Oven Door Removal 1 Open oven door and place do...

Page 37: ...ner door NOTE Proceed with the following steps for door hinge door handle and interlock latch NOTE If replacing door hinges remove hinge locking devices from both hinges If not replacing door hinges leave hinge locking devices in place Door Hinges 6 Remove screws securing door hinge to inner door assembly NOTE Proceed with the following steps for door handle and interlock latch Door Handle 7 Remov...

Page 38: ...void risk of electrical shock personal injury or death disconnect power to unit before servicing Microwave Disassembly Procedures 38 16022821 Rev 0 2004 Maytag Appliances Company This page intentionally left blank ...

Page 39: ... 2004 Maytag Appliances Company 16022821 Rev 0 A 1 Appendix A ...

Page 40: ...k 1 1 1 4 Dia Conduit Access Hole 2 5 8 Plywood Floor Must Support 275 lbs afjbkpflkp A 27 MIN 68 58 MIN B 24 MIN 60 96 MIN C 51 7 8 1 16 131 76 16 D 24 MIN 60 96 MIN E 25 1 2 1 16 64 77 16 F 52 15 16 134 46 G 26 3 4 67 95 H 25 7 16 64 61 I 4 to 10 10 2 to 25 4 PM t ii lsbk abp ofmqflk 1 1 1 4 Dia Conduit Access Hole 2 5 8 Plywood Floor Must Support 275 lbs afjbkpflkp A 30 MIN 76 20 MIN B 24 MIN 6...

Page 41: ...oDp rpb 5 200 1 0 1 080 5 7 1 5 8 7 3527 7 21 5 6 21 6 5 3 7 1 035 6 0 4 8 20 12 4 9 6 9 30 10 7 0 9 9 40 8 10 0 11 9 50 8 12 0 14 9 60 6 51 1 b Unit to be properly circuit protected and wired according to local electrical code and National Electrical Code It is advisable that the electrical wiring and hookup be accomplished by a competent electrician 120 240 VAC or 120 208 VAC 60 Hz See serial pl...

Page 42: ...o the locked position as shown see Figure 1 then the hinge arm is not properly seated on the receiver Rotate the hinge locking lever DOWN to the unlocked position see Figure 2 and remove oven door as outlined in the Oven Door Removal procedure Then replace the oven door as outlined in the Oven Door Replacement procedure making sure that the hinge arm slots are fully seated on the horizontal pins i...

Page 43: ...cabinetry making cutouts or beginning installation Inches Centimeters A 30 minimum 76 2 minimum B 24 minimum 61 0 minimum C 51 7 8 1 16 131 8 2 D 24 minimum 61 0 minimum E 28 1 2 1 16 72 4 2 F 52 15 16 134 5 G 29 3 4 75 6 H 25 7 16 64 6 I 4 10 10 2 25 4 Notes 1 1 1 4 diameter conduit access hole hole must be cut as close to corner of cabinet as possible 2 5 8 plywood floor must support 275 lbs 3 D...

Page 44: ... side trim 4 See instructions Electrical Connections for electrical hook up 5 See figure 1 for lower trim installation 6 See User s Manual for operating instructions UNMNmRSRJSM 07 03 00 Remove lower screws from hinge receptacle plates Align lower trim and reinstall screws klqbW Lower trim overlaps front edge of cabinet by 9 16 rqflk c b E F TLU I K p J I I K lj_fk qflk t iilsbk rqlrq PM t ii lsbk...

Page 45: ...connect the green wire and connect the green wire to ground in accordance with local code Connect the white neutral to the service neutral Connect all wires to the branch circuit with approved connectors Use copper or aluminum wire If aluminum wire is used use connectors recognized for joining aluminum to copper The chart below recommends the minimum circuit protection and wire size if the applian...

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