Jenn-Air JES8750BA Series Page 24 Service Manual Download | Manualshive

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Testing Procedures

!

WARNING

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

24 16026926

© 2006 Maytag Services

"

Quick Test

"

Mode for EOC III

Follow the procedure below to perform the EOC III quick test. Once the control is in the quick test mode, any relay
may be activated in any sequence. The test mode will be exited after 10 minutes of inactivity (no pads pressed
within 10 minutes).

1. Press

the

Setup

pad, then press the right

ATM

pad.

2. Press

the

left

ATM

pad, then press and hold

Back

and

Enter

pads for 5 seconds to enter SERVICE menu options.

3. Press the right

ATM

pad to scroll to the TEST menu.

4. Press

the

left

ATM

pad to select TEST options.

5. Press

the

left

ATM

pad again to enter the

"

Quick Test

"

mode.

6. Press each of the following pads indicated in the table below.
7. Press

Cancel

or

Setup

pads to exit.

NOTE:

Press and hold the applicable pad to activate the associated response.

Release the applicable pad to deactivate the associated response.

The control automatically enters the engineering mode so visual feedback of relay operations is available on the

control display. Any time a load is activated, the cooling fan is activated. When the load is deactivated, the cooling
fan is also deactivated.

Display will indicate the following:

Pad Response

BAKE....................................................Bake relay activated.
BROIL ..................................................Broil relay activated.
CONVECT............................................Convection Bake and Cooling Fan relays activated.
OVEN LIGHT .......................................Oven light relay activated.
RAPID PREHEAT ................................Convection Fan (HIGH/LOW) activated.
WARMING ZONE ................................Warming Zone relay activated.
VENT (DOWNDRAFT) FAN ................Vent Fan relay activated.
CLEAN .................................................Motorized Door Lock relay activated.
SETUP .................................................1 Second Beep.
FAN ......................................................Downdraft Fan (HIGH/LOW) relay activated.
WARMING DRAWER ..........................Warming Drawer (HIGH/LOW) relay activated.

Oven Sensor and Meat Probe Resistances

OVEN SENSOR

Sensor Type:

RTD

1000

Ω

platinum

Calibration:

1654

Ω

(350° F/177° C)

Temperature F (C)

Resistance (Ohms)

100 (38)

1143

200 (94)

1350

300 (149)

1553

350 (177)

1654

400 (204)

1753

500 (260)

1949

600 (316)

2142

700 (371)

2331

800 (427)

2516

900 (483)

2697

1000 (538)

2874

MEAT PROBE

Type:

NTC

Thermistor

Calibration:

9938

Ω

(150° F/65.5° C)

Temperature F (C)

Resistance (Ohms)

32 (0)

163300

68 (20)

62450

95 (35)

32660

122 (50)

18020

158 (70)

8760

185 (85)

5360

212 (100)

3400

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Summary of Contents for JES8750BA Series

Page 1: ... covers general information Refer to individual Technical Sheet for information on specific models This manual includes but is not limited to the following 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 ...

Page 2: ...ervicers and Consumers 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 JENNAIR ...

Page 3: ...III 25 Disassembly Procedures RemovingandReplacingRange 26 CartridgeAssemblyRemoval SelectModels 26 MaintopAssemblyRemoval 26 ControlPanelAssemblyRemoval 26 ElectronicControlReplacement 26 InfiniteSwitchRemoval 26 Bottom Access Panel Removal Select Models 26 IndicatorLightRemoval 27 Meat Probe Receptacle Replacement Select Models 27 BackPanelRemoval 27 CoolingFanReplacement 27 Hidden Bake Element ...

Page 4: ... foil to line oven bottom Improper installation of these liners may result in a risk of electrical shock or fire 4 Glazed Cooking Utensils Do not use glass ceramic earthware or other glazed utensils They can damage smoothtop and can break due to sudden change in temperature 5 Utensil Handles Should be Turned Inward and Not Extend Over Adjacent Surface Units To reduce the risk of burns ignition of ...

Page 5: ... operating may spread the flame In Case of Fire Fires can occur as a result of over cooking or excessive grease Though a fire is unlikely if one occurs proceed as follows Surface Element Fire 1 Smother the fire with a nonflammable lid or baking soda or use a Class ABC or BC extinguisher Not water Not salt Not flour 2 As soon as it is safe to do so turn the surface controls to OFF Oven Fires 1 If y...

Page 6: ... the purpose for which they were intended Grounded Oven Frame Ground prong on power cord is connected to the frame usually a green lead fastened by a screw Any part or component capable of conducting an electric current is grounded by its mounting If any ground wire screw strap nut etc is removed for service it must be reconnected to its original position with original fastener before the range is...

Page 7: ...E S 9 8 6 0 B A W Brand A Amana C Magic Chef G Graffer Sattler H Hardwick J Jenn Air M Maytag N Norge U Universal Y Crosley Product Type A Accessory Cartridge C Cooktop Updraft Countertop D Downdraft Cooktop or Warming Drawer E Eyelevel Range G Grill L Range 20 M Range 36 P Drop In 24 Q Wall Oven 27 R Range Free Standing 30 S Slide In 30 T Range Hood V OTR W Wall Oven Y RV Range Z RV Top Fuel B Bu...

Page 8: ...l or lead on the appliance Model Identification Complete enclosed registration card and promptly return If registration card is missing For Jenn Air product call 1 800 536 6247 or visit the Web Site at www jennair com For Maytag product call 1 800 688 9900 or visit the Web Site at www jennair com For Amana product call 1 800 843 0304 or visit the Web Site at www jennair com For product inCanada ca...

Page 9: ...Description Range Description Infinite Switches Electronic Controls Downdraft Vent Cooking Surface Oven Cavity Broil Element Convection Element Bake Element Convection Fan Baking Racks Temperature Probe Access Panel Model Number Rating Label ...

Page 10: ...ent at unit and circuit breaker is not tripped Replace household fuse but do not fuse capacity Refer to Use and Care manual and unlock electronic control Oven light does not operate Failed oven lamp Failed wiring Failed light socket Check lamp and replace is necessary Check for broken loose or dirty connections Check light socket for continuity Oven door will not unlock Oven is self cleaning Oven ...

Page 11: ...c Membrane keyboard disconnected Ensure ribbon cable is securely connected inspect ribbon cable and connector shorts breakage corrosion etc If OK replace control 1c4c Board to Board communication failure Replace control 1c6c EEPROM hardware fault Replace control 1c7c Control not calibrated Replace control 1c8c EEPROM CRC error User Options Replace control 1c81 EEPROM CRC error Cook Profile Replace...

Page 12: ...n 1654 Ω 350 F 177 C Temperature F C Resistance Ohms 100 38 1143 200 94 1350 300 149 1553 350 177 1654 400 204 1753 500 260 1949 600 316 2142 700 371 2331 800 427 2516 900 483 2697 1000 538 2874 MEAT PROBE Type NTC Thermistor Calibration 9938 Ω 150 F 65 5 C Temperature F C Resistance Ohms 32 0 163300 68 20 62450 95 35 32660 122 50 18020 158 70 8760 185 85 5360 212 100 3400 COOLING FAN TEMPERATURES...

Page 13: ...ons Open Closed Infinite Continuity Door plunger switch Remove switch from unit and measure the following points Door closed Door open COM NO Continuity closed COM NO Infinity open Autolatch assembly Disconnect wires and test for continuity per wiring diagram Refer to Parts Manual for correct autolatch switch associated with the correct manufacturing number See wiring diagram for schematic layout ...

Page 14: ...sed 156 to 174 F 69 to 79 C Infinite Continuity Hi limit temperature switch Warming Drawer Normally closed verify operation Open 135 to 145 F 57 to 63 C Closed 114 to 126 F 46 to 52 C Infinite Continuity Hi limit temperature switch Warming Drawer Normally closed verify operation Open 95 to 105 F 35 to 41 C Closed 79 to 91 F 26 to 33 C Infinite Continuity Ribbon element 1200 W Disconnect wiring to ...

Page 15: ...D HI Voltage between H1 and H2 Approximate Time On Time Off SIMMER 5 95 MED 5 55 45 HI 100 0 240 VAC Infinite switch Remove wiring from P1 and P2 Connect volt ohms meter to P1 and P2 Measure the following for voltages at LO MED HI Voltage between P1 and P2 Approximate Time On Time Off SIMMER 5 95 MED 5 35 65 HI 100 0 240 VAC Infinite switch custom control Single dual element temp settings Voltage ...

Page 16: ...esistance of terminals Measure voltage at element Cartridge JEA7000AD Approx 25 to 28 Ω 240 VAC Ribbon element 1800 W Disconnect wiring to element and measure cold resistance of terminals Measure voltage at element Cartridge JEA8120AD Approx 29 5 to 33 5 Ω 240 VAC Ribbon element 1200 W Disconnect wiring to element and measure cold resistance of terminals Measure voltage at element Cartridge JEA812...

Page 17: ...inuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity JES8850BA Closed circuitry resistance defined as continuity 2000 Max Ω Pins 1 9 are shorted together for control configuration purposes Detail B See Detail B Trace 1 Latch Pad 1 2 3 4 5 6 7 8 9 0 Cancel Bak...

Page 18: ...ity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity JES9750BA Closed circuitry resistance defined as continuity 2000 Max Ω Pins 1 11 are shorted together for control configuration purposes Detail B See Deta...

Page 19: ...inuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity Continuity JES9860BC JES9900BC Closed circuitry resistance defined as continuity 2000 Max Ω Pins 1 10 are shorted together for control configuration purposes Detail B See Detail B Trace 1 Latch P...

Page 20: ... Continuity Continuity Electronic Oven Control EOC III Testing Procedures Warm Drawer ATM PADS ELECTRONIC OVEN CONTROL III TESTING PROGRAMMING PROCEDURES Feature Access Procedure Modification Procedure Control Reset Resets control to factory default values Press the Setup pad then press the right ATM pad until SERVICE displays Press the left ATM pad to select SERVICE menu options Press and hold th...

Page 21: ...ature display on control C or F Press the Setup pad then press the right ATM pad until C F displays Press the left ATM pad to select C F settings Press the left ATM pad to select Celsius or the right ATM pad to select Fahrenheit Press Setup to exit Auto Convection When enabled reduces the Convection Bake and Pastry temperatures by 25 F 3 9 C Press the Setup pad then press the right ATM pad until A...

Page 22: ...EMO mode or the right ATM pad to exit the DEMO mode Once the DEMO mode begins press any key to exit Press Setup to exit also Service Mode Enables access to service menus Press the Setup pad then press the right ATM pad until SERVICE displays Press the left ATM pad to select SERVICE menu options Press and hold the Back and Enter pads for 5 seconds to enter SERVICE menu options Press Setup to exit T...

Page 23: ...IDLE r r r r r BAKE RAPID PREHEAT O r r r r BAKE PREHEAT O r r r r BAKE r r r r HIGH BROIL PREHEAT r O r r r HIGH BROIL r r r r LOW BROIL PREHEAT r O r r r LOW BROIL r r r r CLEAN PREHEAT r r r CLEAN r r r KEEP WARM PREHEAT O r r r r KEEP WARM r r r r WARMING DRAWER HIGH r r r r O WARMING DRAWER LOW r r r r O CONVECT ROAST PREHEAT r r O r r CONVECT ROAST r r O r CONVECT BAKE RAPID PREHEAT r r O r ...

Page 24: ...ponse The control automatically enters the engineering mode so visual feedback of relay operations is available on the control display Any time a load is activated the cooling fan is activated When the load is deactivated the cooling fan is also deactivated Display will indicate the following Pad Response BAKE Bake relay activated BROIL Broil relay activated CONVECT Convection Bake and Cooling Fan...

Page 25: ...keyboard disconnected Ensure ribbon cable is securely connected inspect ribbon cable and connector shorts breakage corrosion etc If OK replace control 1c4c Board to Board communication failure Replace control 1c6c EEPROM hardware fault Replace control 1c7c Control not calibrated Replace control 1c8c EEPROM CRC error User Options Replace control 1c81 EEPROM CRC error Cook Profile Replace control 1d...

Page 26: ...emoval 2 Label and disconnect wire terminals from infinite switch 3 Remove knob on infinite switch being replaced 4 Remove screws in front securing infinite switch to control panel 5 Reverse procedure to reinstall infinite switch Bottom Access Panel Removal Select Models 1 Grasp top of bottom access panel and gently pull down and out 2 Reverse procedure to reinstall bottom access panel Removing an...

Page 27: ...al Select Models 1 Remove power from unit 2 Remove bottom access panel see Bottom Access Panel Removal procedure 3 Disconnect ducting to allow for downdraft blower motor removal 4 Label and disconnect wire terminals 5 Remove screws securing motor assembly 6 Reverse procedure to reinstall downdraft blower motor select models Indicator Light Removal 1 Remove control panel see Control Panel procedure...

Page 28: ...not operate during a clean cycle 1 Remove power from unit 2 Open oven door and locate oven light 3 Grasp lens cover and pull outward on one side to gain access to the bulb 4 Carefully remove old bulb by lifting bulb straight out of base 5 When installing the new bulb place cover over socket so the cut out in the glass cover aligns with the base on the socket NOTE To avoid damaging the new bulb and...

Page 29: ...de panel to oven chassis 5 Remove screws securing sensor to warming drawer cavity 6 Label and disconnect sensor wire terminals 7 Pull sensor in through warming drawer cavity to remove after labeling disconnecting wire terminals 8 Reverse procedure to reinstall warming drawer sensor Oven Door Removal WARNING To avoid risk of personal injury or property damage do not lift oven door by the handle 1 O...

Page 30: ...6 Reverse procedure to reassemble oven door Oven Door Warming Drawer and Access Panel Disassembly Access Panel Select Models Door Gasket Door Lining Oven Door Insulation Door Trim and Frame Door Handle Upper Shield Glass Frame Inner Glass Outer Glass Door Glass Lower Shield Door Baffle Warming Drawer Select Models Front Panel Glass Panel Warming Drawer Track Disassembly Select Models 1 Remove warm...

Page 31: ...on information provided in this service manual is representative of a limited number of models Reference the customer s Installation literature included with the product order a copy if needed or consult Jenn Air s website for the specific model www jennair com ...

Page 32: ...er the present electric service to your home is adequate It may be necessary to increase the size of the wiring to the house and service switch to take care of the electrical load demanded by the range The kilowatt rating for the range is specified on the rating plate See step 8 for location of rating plate Most local Building Regulations and Codes require that all electrical wiring be done by lic...

Page 33: ...allation drawings For SAFETY CONSIDERATIONS do not install a range in any combustible cabinetry which is not in accord with the installation drawings NOTE 30 inch 76 2 cm dimension between cooking top and wall cabinet shown on illustration does not apply to ranges with an elevated oven or microwave The installation instructions of the elevated oven will specify the minimum acceptable dimension bet...

Page 34: ...ro Q sin esmalte W blanco S Acero inoxidable a su distribuidor CAUTION Some white European style cabinets are equipped with delicate white vinyl drawer and door fronts The vinyl may not be designed to withstand the heat produced by the normal safe operation of a self clean range Discoloration or delamination may occur To avoid possible damage we recommend increasing the 30 cabinet opening to 31 1 ...

Page 35: ...to flexible 90 Elbow Coude de 90 Codo de 90 Not Included and may not be needed for your installation Non inclus et peut ne pas être nécessaire pour votre installation No se incluye y puede no ser necesario para la instalación NOTE The following section on VENTING BLOWER MOTOR should be considered recommendations Due to the many variables of the potential individual locations and requirements local...

Page 36: ...ventilateur au sol et rendez vous à l étape 1 Instale el motor del ventilador en el piso y vaya al paso 1 Outlet Sortie Salida 18 3 4 Max 47 62 cm Top View Vue de dessus Vista superior Wall Outlet Prise de courant murale Tomacorriente A4 Position blower motor in cabinet opening and vent through wall Placez le moteur du ventilateur dans l ouverture de l armoire et aérez par le mur Coloque el motor ...

Page 37: ...so B6 Front View Vue de devant Vista delantera Outlet Salida Tape joint Appliquez du ruban adhésif sur le raccordement Use cinta para conductos en la unión Inlet Entrée Admisión Sortie Top View Vue de dessus Vista superior B5 Mount blower to floor Montez le ventilateur au sol Instale el ventilador en el piso Go to step 1 Rendez vous à l étape 1 Vaya al paso 1 Mark vent hole location Check for obst...

Page 38: ...s une ouverture de 14 po x 11 po 35 6 cm x 27 9 cm Marque un piso del gabinete para hacer el corte Corte una abertura de 14 x 11 35 56 cm x 27 94 cm 13 97 cm 5 1 2 C2 Left or Right Side Venting Aération par le côté gauche ou droit Ventilación por el costado izquierdo o derecho Mounting Bracket Adjustments Ajustements de l installation du support Ajustes del soporte de instalación Cut one 5 1 2 dia...

Page 39: ... Mount blower to spacers Installez le ventilateur dans les entrebâilleurs Instale el ventilador en los espaciadores Left or Right Side Venting cont Aération par le côté gauche ou droit suite Ventilación por el costado izquierdo o derecho cont Optional Mounting left or right side Possibilité de montage sur le côté gauche ou droit Instalación opcional en el costado izquierdo o derecho C10 Outlet Sor...

Page 40: ... CORDÓN ELÉCTRICO REMOVE TAG USE NUTS WITH POWER CORD QUITE LA ETIQUETA PARA CONECTAR EL CORDÓN ELÉCTRICO b Option Option Opción Conduit Option Option pour conduit Opción del conducto Note Strain relief for service cord or conduit MUST be attached to the conduit plate Remarque Le réducteur de tension du câble ou de la canalisation électrique DOIT être fixé à la plaque de la canalisation électrique...

Page 41: ...actory with a service cord connected No additional connections are needed Remarque Certains modèles sont livrés directement de l usine avec un cordon d alimentation Aucun raccordement supplémentaire n est nécessaire Nota Algunos modelos vienen equipados de la fábrica con un cordón eléctrico de servicio instalado No es necesario realizar conexiones adicionales Electrical Connections Follow the lett...

Page 42: ... ou 50 ampères prévu pour être utilisé avec des cosses fermées ouverture de 34 93 mm 1 3 8 po de diamètre et pouvant être utilisé avec des cuisinières NOTA Reemplazo del cordón Use sólo un cordón eléctrico clasificado para por lo menos 240 voltios Sólo utilice cordones eléctricos de 40 o 50 amperios marcados para su uso en estufas con una abertura de conexión nominal de 1 3 8 34 93 mm de diámetro ...

Page 43: ...0 volts minimum 40 ou 50 ampères prévu pour être utilisé avec des cosses fermées ouverture de 34 93 mm 1 3 8 po de diamètre et pouvant être utilisé avec des cuisinières NOTA Reemplazo del cordón Use sólo un cordón eléctrico clasificado para por lo menos 240 voltios Sólo utilice cordones eléctricos de 40 o 50 amperios marcados para su uso en estufas con una abertura de conexión nominal de 1 3 8 34 ...

Page 44: ...connected between middle post and range REMARQUE La bande en cuivre de mise à la terre DOIT rester connectée entre la borne centrale et la cuisinière NOTA La cinta de cobre de puesta a tierra DEBE permanecer conectada entre el conector central y la estufa F1 C Attach lugs See Torque specifications Fixez les oreilles de fixation Voyez les spécifications de serrage Fije las tuercas Consulte las espe...

Page 45: ...egro Connect remaining wires Raccordez les autres fils Conecte los alambres restantes G1 Part of copper ground strap MUST be cut out and removed Une partie de la bande en cuivre de mise à la terre DOIT être coupée et enlevée Una parte o la totalidad de la cinta de conexión a tierra DEBE ser cortada y descartada G2 C Attach lugs See Torque specifications Fixez les oreilles de fixation Voyez les spé...

Page 46: ...o a la estufa Plug in range and blower Branchez la cuisinière et le ventilateur Enchufe la estufa y el ventilador Tighten Duct Clamp Serrez la pince du conduit Apriete la abrazadera del conducto 11 1 2 10 Adjust legs Note Check counter top height see dimensions to allow range top to clear countertop Installer take caution not to damage floor Ajustez les pieds Remarque Vérifiez la hauteur du plan d...

Page 47: ...o a la estufa Plug in range and blower Branchez la cuisinière et le ventilateur Enchufe la estufa y el ventilador Tighten Duct Clamp Serrez la pince du conduit Apriete la abrazadera del conducto 11 1 2 10 Adjust legs Note Check counter top height see dimensions to allow range top to clear countertop Installer take caution not to damage floor Ajustez les pieds Remarque Vérifiez la hauteur du plan d...

Page 48: ...n lateral Flex Duct Conduit flexible Conducto flexible 14c Tighten Duct Clamps Serrez la pince du conduit Apriete la abrazadera del conducto Range Cuisinière Estufa Finish connecting duct work to range Finissez de raccorder les conduits à la cuisinière Complete la conexión del conducto a la estufa 15 Make sure electrical cords are not kinked Check leg position in ANTI TIP bracket Assurez vous que ...

Page 49: ...re information provided in this service manual is representative of a limited number of models Reference the customer s Use and Care literature included with the product order a copy if needed or consult Jenn Air s website for the specific model www jennair com ...

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