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Jenn-Air JDS8850AAB, Service Manual

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Jenn-Air JDS8850AAB Service Manual Download Page 18

Testing Procedures 

 

!

WARNING

 

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

18 16026016 

©2005 Maytag Services 

 

Illustration Component 

Test 

Procedure 

Results 

 

 

Venturi, rear 
(long) 
Model JDS9860A** 

Nominal air shutter setting..................
Tolerance ...........................................

.375 3/8" 
.030 1/32" 

 

 

Tube, front 
(short) 
Model JDS9860A** 

Nominal air shutter setting..................
Tolerance ...........................................

.250 1/4" 
.031 1/32" 

(approx.) 

 

 

Tube, rear 
(long) 
Model JDS9860A** 

Nominal air shutter setting..................
Tolerance ...........................................

.585 19/32" 

(approx.) 

.031 1/32" 

(approx.) 

 

 

E-burner grill 
assembly 
Model JDS9860A** 

Verify gas is supplied ......................... Check for obstructions in burner ports. 

 

 

E-burner ignitor 
Model JDS9860A** 

Test for resistance of spark lead ........
 
Test ignitor to chassis.........................

Continuity. 
 
No continuity from ignitor to chassis. 

 

 

Bake element 

Disconnect wiring to element and 
measure cold resistance of 
terminals.............................................
Measure voltage at bake element ......

 

 

 
Approx. 20.6 to 22.6 

Ω

. 

240 VAC. 

 

 

Broil element 

Disconnect wiring to element and 
measure cold resistance of 
terminals.............................................
Measure voltage at broil element .......

 
 
Approx. 13.3 to 14.7 

Ω

. 

240 VAC. 

 

 

Hi-limit temperature 
switch 

Normally closed, verify operation: 

Open: 269° to 291°F (132° to 144°C)
Closed: 173° to 207°F (78° to 97°C) .

 
Infinite. 
Continuity. 

 

 

Convection 
assembly 
Convection motor 

Measure voltage.................................
 
Check motor windings to ground ........

120 VAC. (tolerance: 105 to 135 VAC)
No continuity. 
RPM: Approx. 1750 to 2250.

 

 

 

Cooling fan motor 

Measure voltage.................................
Check motor windings to ground ........

120 VAC. 
No continuity. 
RPM:  Idle: 3395 
 Load: 

3000 

 Breakdown: 

2400 

 

 

Downdraft motor 
Model JDS9860A** 

Measure voltage.................................
Check motor windings to ground ........

120 VAC. 
No continuity. 
RPM:  1550, 2.4 amp 

 

 

Temperature sensor 

Measure resistance ............................ Approx 1100 

Ω

 at room temperature 

75° F (23.8° C). 

 

Summary of Contents for JDS8850AAB

Page 1: ...his 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 JDS8850AAB Q S W JDS8850ACS W JDS9860AAB P W JDS9860ACB P W Dual Fuel Slide In Range ...

Page 2: ...ING To avoid risk of severe personal injury or death disconnect power and or gas 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 COM 1 800 536 62...

Page 3: ...n Control Testing Procedures 19 Relay Logic 21 Quick Test Mode 22 Description of Fault Codes 23 Disassembly Procedures RemovingandReplacingRange 24 Cartridge Assembly Select Models 24 Top Burner 24 Top Burner Lower Assembly 24 Manifold and Top Burner 24 Regulator 24 Infinite Switch 24 SparkModule 24 MaintopAssembly 25 ControlPanel 25 Electronic Control 25 Bottom Access Panel 25 Indicator Lights 25...

Page 4: ...l appliances there are certain rules to follow for safe operation Verify everyone who operates oven is familiar with the operations and with these precautions Use appliance only for its intended purpose as described Pay close attention to the safety sections of this manual Recognize the safety section by looking for the symbol or the word safety Recognize this symbol as a safety precaution WARNING...

Page 5: ... during service and after service has been completed 1 Gas smell Extinguish any and all open flames and open windows 2 Turn gas off Service range with gas turned off unless testing requires it 3 Checking for gas leaks Never check for leaks with any kind of open flame Soap and water solution should be used for this purpose Apply solution to suspected area and watch for air bubbles which indicates a...

Page 6: ...fect baking results and damage to porcelain surface s Do not touch interior surfaces of oven during or immediately after use Do not let clothing or other flammable materials come in contact with bake or broil burners Other areas of the oven can become hot enough to cause burns such as vent openings window oven door and oven racks To avoid steam burns do not use a wet sponge or cloth to wipe up spi...

Page 7: ... A film of soil laden detergent water may collect on range top If this should happen Amana Cleaning Conditioning Cream removes this type of stain Do not leave fat heating unless you remain nearby Fat can ignite if overheated by spilling onto hot surfaces Do not allow pots to boil dry as this can cause damage to cooking surface and pan Do not use range top surface as a cutting board Do not use rang...

Page 8: ...clature J D S 8 8 5 0 A A B 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...

Page 9: ...ir com For product inCanada call 1 866 587 2002 or visit the Web Site at www jennair com When contacting provide product information located on rating plate Record the following Model Number ___________________ Manufacturing Number ___________________ Serial or S N Number ___________________ Date of purchase ___________________ Dealer s name and address ___________________ General Information Serv...

Page 10: ...cess Panel Convection Fan Pressure Regulator Back side of Range Electronic Control Touchpad Top Surface Burners and Grates Oven Light Model Number Rating Label Burner Control Valves Burner Control Valves Oven Cavity Broil Element Downdraft Vent Grill Module Range Description ...

Page 11: ...sting procedures information Clean electrode or burner cap Replace electrode No spark or only random spark at one ignitor Check for cracked ignitor or pinched ignitor wire Poor continuity to burner cap Bad ground connection or lack of continuity to ground or ignitor Cracked or broken ignitor extension lead Replace ignitor lead or electrode Clean burner cap and lead Tighten ground connection and co...

Page 12: ...t fan motor If no voltage is present check for broken or loose wiring between fan motor and relay board If voltage is present at fan motor go to the next step Check motor winding for continuity Check for a frozen motor shaft Check for broken wiring between motor and neutral terminal block Oven smokes odor first few times of usage Normal Minor smoking and or odor is normal the first few times of ov...

Page 13: ...rt Fault Code Description Component to Troubleshoot Replace F0 0 No Fault None F1 1 Oven temperature above 650 F 343 C in bake mode Ohm sensor and harness see Oven Sensor chart If OK change control F1 3 Oven temperature above 950 F 510 C during a clean cycle Ohm sensor and harness see Oven Sensor chart If OK change control F1 5 Cancel pad not responding Ensure ribbon cable is securely connected in...

Page 14: ...f OK replace control F1 E Control not calibrated Replace control F1 F Jumper not removed from printed circuit board PCB Remove jumper from PCB F1 H EEPROM error Replace control F1 N Internal voltage for slave incorrect Replace control F3 1 Open or shorted sensor Ohm sensor and harness F8 Shorted meat probe Check probe jack and harness probe jack harness If OK check meat probe see Meat Probe chart ...

Page 15: ...and Meat Probe Charts OVEN SENSOR Sensor Type RTD 1000Ω platinum Calibration 1654Ω 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 9938Ω 150 F 65 5 C Temperature F C Resistance Ohms 122 50 18963 150 65 5 9938 156 2 69 8...

Page 16: ...y Autolatch assembly All models 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 Access assembly by removing two screws from the front and lowering control panel Common is in neutral position unless locking or unlocking autolatch assembly Pressure r...

Page 17: ...ted for Natural or LP Adjust set screw for simmer control To replace burner valve s complete assembly must be replaced manifold and valves 16 000 BTU per hour minimum See conversion section Burner valve left and right 180 Model JDS9860A Verify gas is supplied Orifice adjusted for Natural or LP To replace burner valve s complete assembly must be replaced manifold and valves Shut off valve Model JDS...

Page 18: ...tinuity from ignitor to chassis Bake element Disconnect wiring to element and measure cold resistance of terminals Measure voltage at bake element Approx 20 6 to 22 6 Ω 240 VAC Broil element Disconnect wiring to element and measure cold resistance of terminals Measure voltage at broil element Approx 13 3 to 14 7 Ω 240 VAC Hi limit temperature switch Normally closed verify operation Open 269 to 291...

Page 19: ...d the Control Lock pad also the 1 pad simultaneously Press Autoset to select option enable disable The timer clock and oven light remain operational EOC II Twelve Hour off Sabbath mode Press Setup Options and the 12 Hour Off pad also the 2 pad simultaneously Disables the normal 12 hour shutoff allowing the oven to operate indefinitely EOC II Sound Level Beeper Volume Press Setup Options and the So...

Page 20: ...k Quick Preheat Bake Broil Keep Warm Convect Warm Convect Roast Cook Time Stop Time Clean Proofing Drying Meat Probe Vent Fan Auto Set Timer 1 Timer 2 Oven Light Trace 7 8 14 15 10 14 6 7 6 8 5 6 4 5 4 6 3 4 3 6 1 2 or 1 19 or 2 20 or 19 20 13 14 16 18 15 16 16 17 12 13 6 10 3 18 10 18 14 18 15 18 8 10 9 10 6 18 11 12 17 18 12 14 10 12 10 11 Measurement Continuity Continuity Continuity Continuity ...

Page 21: ...HI SPEED CONVECT FAN LO SPEED OVEN LIGHT IDLE r r r r BAKE PREHEAT r r BAKE r r HIGH BROIL PREHEAT r O r r HIGH BROIL r O r r LOW BROIL PREHEAT r r r LOW BROIL r r r CLEAN PREHEAT r O r r r CLEAN O r r r r KEEP WARM PREHEAT r r r KEEP WARM r r r CONVECT ROAST PREHEAT O r CONVECT ROAST O r CONVECT BAKE QUICK PREHEAT r O CONVECT BAKE PREHEAT r O CONVECT BAKE r O QUICK PROOFING PREHEAT r O QUICK PROO...

Page 22: ...d 1 displayed in control display window CONVECT BAKE Convection Bake relay activated Convection Fan cycles 1 displayed in control display window CONVECT ROAST Convection Roast relay activated Convection Fan cycles 1 displayed in control display window OVEN LIGHT Oven light relay activated 1 displayed in control display window PROBE Actual Probe temperature and 1 displayed in control display window...

Page 23: ...or shorts breakage corrosion etc If OK replace control F1 7 Membrane disconnected Ensure ribbon cable is securely connected inspect ribbon cable and connector shorts breakage corrosion etc If OK replace control F1 8 Shorted key pad in membrane switch Ensure ribbon cable is securely connected inspect ribbon cable and connector shorts breakage corrosion etc If OK replace control F1 9 Internal contro...

Page 24: ...lve and remove switch from valve 3 Reverse procedure to reinstall burner switch Spark Module 1 Remove unit from installation position see Removing and Replacing Range procedure 2 Remove screws securing lower rear access panel 3 Disconnect and label wire connections from the spark module 4 Remove screws securing spark module to unit chassis 5 Replace and reverse procedure to reassemble Removing and...

Page 25: ...les and grill pans select models 7 Remove screws around perimeter of unit securing main top to chassis 8 Label and disconnect wiring to elements select models 9 Remove screws securing element mounting brackets to main top assembly select models 10 Gently remove elements from mounting brackets to prevent damage to glass top select models 11 Reverse procedure to reinstall maintop assembly Control Pa...

Page 26: ... securing bake element to rear of cavity wall 4 Pull element forward to allow disconnection of terminals on each element leg 5 Reverse procedure to reinstall bake element Broil Element 1 Remove power from unit 2 Open oven door and remove racks 3 Remove screws securing broil element to top and rear of oven cavity 4 Pull broil element forward to allow disconnection of terminals on each element leg 5...

Page 27: ...i Pin 25W 120V Oven Light Switch 1 Remove power from unit 2 Remove control panel see Control Panel procedure 3 Remove screws securing oven light switch to front of oven chassis 3 Reverse procedure to reinstall oven light switch Convection Fan 1 Remove power from unit 2 Remove screws securing convection motor cover to oven chassis screws at 12 4 8 o clock positions 3 Remove screws securing convect ...

Page 28: ...einstall oven door hinge Door Disassembly 1 Remove oven door see Oven Door Removal procedure 2 Place door on a protected surface 3 Remove screws securing bottom trim to oven door 4 Slide outer oven door glass and trim towards the bottom of the oven door and remove 5 Detach right and left trim pieces for outer door glass NOTE Proceed with the following steps for door handle and inner door disassemb...

Page 29: ... 2005 Maytag Services 16026016 A 1 Appendix A ...

Page 30: ... not less than No 28 MSG sheet steel 0 015 inch 0 381 mm thick stainless steel 0 024 inch 0 610 mm thick aluminum or 0 020 inch 0 508 mm thick copper To eliminate the risk of burns or fire by reaching over heated surface units cabinet storage space located above the surface units should be avoided If cabinet storage is to be provided the risk can be reduced by installing a range hood that projects...

Page 31: ... the handle 3 Dimension L figure 4 page 4 is with the leveler legs adjusted all the way in This may vary slightly upon leveling leg adjustment 4 Do not use grout epoxy etc to install this unit Installation must allow for removal of this appliance from the installed location for purposes of servicing IMPORTANT Because of continuing product improvements Maytag reserves the right to change specificat...

Page 32: ...t outlet receptacles Install the bracket with the orientation hole in the longer leg against the wall as shown in figure 5 STEP 1 Locating The Anti tip Bracket See Figure 5 A Determine where either the right or left EDGE of the range will be located and mark the floor or wall B Place the BRACKET 15 16 24mm from the marked EDGE toward center of opening and against the back wall as shown in figure 5...

Page 33: ... hardware obtained into the concrete at the center of the holes identified in figure 5 as HOLES FOR FLOOR Secure the ANTI TIP bracket to the floor Proceed to STEP 3 STEP 3 Range Installation A A Jenn Air range may be installed by one person B Align the range to its designated location and slide it back into position Note A minimum clearance of 1 4 6 mm is required between the range and the levelin...

Page 34: ...rough an approved range connector pigtail fastened securely to the terminal block with proper strain relief at the range and a three or four pronged plug at the opposite end User may experience occasional circuit tripping if Ground Fault Circuit Interrupter GFCI outlet or breaker is in use RANGE CONNECTIONS Some models are shipped direct from the factory with service cords pigtails attached There ...

Page 35: ...nduit should be used 2 If bare copper or aluminum wiring is used attach adapter lugs as shown in figure 9 See Bare Wire Connection Torque specifications are shown below 3 The ground wire from the service cord or conduit must connect to the range chassis using the green ground screw 4 The white wire of the service cord or conduit must connect to the neutral middle post of the main terminal block Th...

Page 36: ... gas supply must be clean free of metal shavings rust dirt and liquids oil or water Dirt etc in the supply lines can work its way into the range manifold and in turn cause failure of the gas valves or controls and clog burners and or pilot orifices CAUTION DO NOT LIFT OR MOVE RANGE BY DOOR HANDLES OR BACKGUARD c Turn off all pilots and main gas valve of other gas appliances d Turn off main gas val...

Page 37: ...nded gas line location 2 Dimension K figure 3 page 3 is from the wall to the side edge of the oven door It does not include the curvature of the glass or the depth of the handle 3 Dimension L figure 3 page 3 is with the leveler legs adjusted all the way in This may vary slightly upon leveling leg adjustment 4 Do not use grout epoxy etc to install this unit Installation must allow for removal of th...

Page 38: ...ws provided Proceed to STEP 3 2 Wall Locate the center of the two holes identified in figure 5 as HOLES FOR WALL Drill an angled 1 8 pilot hole in the center of each hole as shown in figure 6 A nail or awl may be used if a drill is not available Secure the ANTI TIP bracket to the wall with the two screws provided as shown in figure 6 Proceed to STEP 3 B Cement or Concrete Construction 1 Suitable s...

Page 39: ...ed range connector pigtail fastened securely to the terminal block with proper strain relief at the range and a three or four pronged plug at the opposite end User may experience occasional circuit tripping if Ground Fault Circuit Interrupter GFCI outlet or breaker is in use RANGE CONNECTIONS Some models are shipped direct from the factory with service cords pigtails attached There are no range co...

Page 40: ...tach the ground from the 4 wire cord Only a 4 wire cord or conduit should be used 2 The ground wire from the service cord or conduit must connect to the range chassis using the green ground screw 3 The white wire of the service cord or conduit must connect to the neutral middle post of the main terminal block The other two wires of the service cord or conduit connect to the red and black posts of ...

Page 41: ...0 Cut a 6 1 4 diameter hole on the marked centerline making sure to miss any wall studs Install the blower as shown in figure 12 b Through the floor See figure 11 Making sure to miss any floor joists cut a 6 1 4 diameter hole in the shaded area as shown in figure 11 Install the blower as shown in figure 12 NOTE If the floor is a concrete slab see the enclosed ducting instructions c Through the Lef...

Page 42: ...ction of the venting and the inlet towards the front of the cabinets In addition for left side venting a spacer of approximately 1 1 2 thick x 9 long 3 81 cm x 22 86 cm is required under the mounting bracket flanges of the blower assembly see figure 17 6 Remove the inside wire and outside string from the first 1 1 2 3 81 cm of one end of the 5 12 7 cm flex duct P N 702935 Stretch this end of the f...

Page 43: ...flex duct may be cut in half and used in order to make assembly easier Figure 18 Figure 19 INSTALLING THE RANGE In The Commonwealth Of Massachusetts This product must be installed by a licensed plumber or gas fitter when installed within the Commonwealth of Massachusetts A T handle type manual gas valve must be installed in the gas supply line to this appliance A flexible gas connector when used m...

Page 44: ...accepted leak detection means Never test for gas leaks with an open flame PRESSURE TESTING The maximum gas supply pressure for the regulator supplied on this appliance is 14 Water Column The test pressure for checking this regulator must be at least 6 Water Column for natural gas and at least 11 Water Column for LP It is shipped from the factory set for natural gas at 5 Water Column This appliance...

Page 45: ... 2005 Maytag Services 16026016 B 1 Appendix B ...

Page 46: ...B 2 16026016 2005 Maytag Services Use Information Model JDS8850A 6 O VEN COOKING CONTROL PAD OPERATION CONTROL OPTIONS S C F ETTING ONTROL UNCTIONS CLOCK PAD T IMER PADS ...

Page 47: ... 2005 Maytag Services 16026016 B 3 7 C B P ONVECT AKE AD CONVECT ROAST PAD SELECT MODELS CANCEL PAD A UTO SET PAD BAKE PAD NOTES O VEN COOKING CONT Use Information Model JDS8850A ...

Page 48: ...B 4 16026016 2005 Maytag Services 8 B ROIL PAD COOK T IME TOP S T IME ADS P CLOCK CONTROLLED VEN O COOKING QUICK PREHEAT PAD SELECT MODELS NOTES Use Information Model JDS8850A ...

Page 49: ... 2005 Maytag Services 16026016 B 5 9 B READ PROOFING PAD SELECT MODELS K EEP W ARM PAD SELECT MODELS MEAT PROBE PAD SELECT MODELS NOTES O VEN COOKING CONT Use Information Model JDS8850A ...

Page 50: ... 2 CONTROL L OCK 1 12 H OUR OFF ABBATH ODE S M 2 S L 3 OUND EVEL 12 24 H OUR CLOCK 4 SCROLL SPEED 5 E C ND OF OOK T IME IGNAL S 6 T EMP C F 7 L ANGUAGE 8 D EFAULT 9 D ISPLAY ON FF O CLOCK OVEN T EMPERATURE A DJUSTMENT OVEN L IGHT CONTROL OPTIONS O VEN COOKING CONT Use Information Model JDS8850A ...

Page 51: ... 2005 Maytag Services 16026016 B 7 Use Information Model JDS9860A O VEN COOKING CONTROL PAD OPERATION CONTROL OPTIONS S C F ETTING ONTROL UNCTIONS CLOCK PAD T IMER PADS ...

Page 52: ...B 8 16026016 2005 Maytag Services Use Information Model JDS9860A O VEN COOKING CONT C B P ONVECT AKE AD CONVECT R OAST PAD CANCEL PAD A UTO SET PAD B AKE PAD B ROIL PAD NOTES ...

Page 53: ... 2005 Maytag Services 16026016 B 9 Use Information Model JDS9860A COOK T IME TOP S T IME ADS P CLOCK CONTROLLED VEN O COOKING Q P P UICK REHEAT AD NOTES ...

Page 54: ...B 10 16026016 2005 Maytag Services Use Information Model JDS9860A O VEN COOKING CONT B READ PROOFING PAD K EEP W ARM PAD Meat PROBE PAD NOTES ...

Page 55: ...Timer SIGNAL IMER T 1 AND T IMER 2 CONTROL L OCK 1 12 HOUR OFF ABBATH ODE S M 2 S L 3 OUND EVEL 12 24 H OUR CLOCK 4 SCROLL SPEED 5 E C ND OF OOK T IME IGNAL S 6 T EMP C F 7 L ANGUAGE 8 D EFAULT 9 DISPLAY ON FF O CLOCK OVEN T EMPERATURE A DJUSTMENT OVEN L IGHT CONTROL OPTIONS O VEN COOKING CONT ...

Page 56: ...B 12 16026016 2005 Maytag Services Care Information CLEAN PAD CARE C LEANING NOTES ...

Page 57: ... CONT CLOCK AND CONTROL AD P AREA CONTROL PANEL CONTROL K NOBS S EALED GAS URNER B CARTRIDGE PORCELAIN ENAMEL DOOR H ANDLE PLASTIC FINISHES W INDOW D OOR GLASS OVEN INTERIORS OVEN R ACKS CLEANING PROCEDURES A CCESS PANEL B ROILER PAN AND INSERT PRONGS GREASE CUP PRONGS ...

Page 58: ...16026016 2005 Maytag Services Care Information SEALED GAS B URNER A SSEMBLY STAINLESS STEEL SELECT MODELS GRILL A SSEMBLY B ASIN PORCELAIN CAST ALUMINUM COATED WITH NON STICK FINISH GRILL B URNER GREASE CUP ...

Page 59: ... 2005 Maytag Services 16026016 C 1 Appendix C ...

Page 60: ...re regulator must be converted to regulate LP gas If converting from LP gas to natural gas the appliance pressure regulator must be converted to regulate natural gas To convert the appliance pressure regulator from one gas to another do either 1 2 or 3 below Your unit will be equipped with one of the three appliance pressure regulator types shown below 1 Remove the cap push down and turn counter c...

Page 61: ... cause the flame to lift or blow off the burner when cold NOTE Correctly adjusted sealed burners can have flames that will lift or blow without a pot over the burner These should be adjusted with a pot in place 2 From LP Propane Gas To Natural Gas a Change the appliance pressure regulator from LP to natural setting See figures 10 11 or 12 b Screw the burner orifice hoods away from the pins See fig...

Page 62: ...OTE When burner heads are removed for cleaning do not spill liquids through the holes in the burner base HOW TO REMOVE RANGE FOR CLEANING AND SERVICING Follow these procedures to remove appliance for cleaning or servicing 1 Shut off gas supply to appliance 2 Disconnect electrical supply to appliance if equipped 3 Disconnect gas supply tubing to appliance 4 Slide range forward to disengage range fr...

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