Jenn-Air JES8750AAB Service Manual

Also see for Jenn Air Range Stove Oven JES8750AAB: User guide

Component Testing Procedures! WARNINGTo avoid risk of electrical shock, personal injury or death; disconnect power to oven before servicing, unlesstesting requires power.©2005 Maytag Services 16025927 13Component Testing ProceduresIllustration Component Test Procedure ResultsOven light housingAll modelsDisconnect connector and testresistance of terminals ...........................Measure voltage at oven light ................Verify bulb is plugged in properly.Indicates continuity with bulb installed.12 VAC, see wiring diagram for terminalidentification.If no voltage is present at oven light,check wiring or light switches.PrimaryPrimarySecondarySecondaryStep-downtransformerAll modelsMeasure voltage at:Primary terminals ...............................Secondary terminals...........................120 VAC (tolerance: 108 to 127 VAC)10W load (bulb): 11.4 to 11.8 VAC20W load (bulb): 10.8 to 11.4 VACDoor plunger switchAll modelsRemove switch from unit and measurethe following points:COM to NO......................................... Plunger in continuity, plunger out infinity.Autolatch assemblyAll modelsDisconnect wires and test forcontinuity per wiring diagram.Refer to Parts Manual for correctautolatch switch associated with thecorrect manufacturing number.See wiring diagram for schematic layout.Access assembly by removing twoscrews from the front and loweringcontrol panel.Common is in neutral position unlesslocking or unlocking autolatch assembly.Halogen element1200 W,6.5 in.(165 mm)Models JES9750A**,JES9860A**Disconnect wiring to element andmeasure cold resistance of terminals.....Measure voltage at element...................Approx. 48 Ω240 VACHalogen element1200 W,8 in. (200 mm)Models JES9750A**,JES9860A**Disconnect wiring to element andmeasure cold resistance of terminals.....Measure voltage at element...................Approx. 48 Ω240 VACCoil element,1250 W4-turnModels JES9750A**,JES9860A**Disconnect wiring to element andmeasure cold resistance of terminals.....Measure voltage at element...................Approx. 42.5 to 46.9 Ω240 VACCoil element,2100 W5-turnModels JES9750A**,JES9860A**Disconnect wiring to element andmeasure cold resistance of terminals.....Measure voltage at element...................Approx. 25.3 to 27.9 Ω240 VACRibbon element1800 WModels JES9750A**,JES9860A**Disconnect wiring to element andmeasure cold resistance of terminals.....Measure voltage at element...................Approx. 29 to 32.6 Ω240 VACRibbon element,1200 WAll modelsDisconnect wiring to element andmeasure cold resistance of terminals.....Measure voltage at element...................Approx. 44.3 to 48.9 Ω240 VACRibbon element,2200 W (1500 Winner, 700 W outer)Model JES9800A**Disconnect wiring to element andmeasure cold resistance of terminals.....Measure voltage at element...................Inner: approx. 76 to 84 ΩOuter: approx. 36.7 to 40.5 Ω240 VAC