Jenn-Air JDS8850BD Service Manual

Also see for JDS8850BD: Use & care guide

Testing Procedures! WARNINGTo avoid risk of electrical shock, personal injury or death; disconnect power and gas to range before servicing,unless testing requires power and/or gas.© 2006 Maytag Services 16026929 17Illustration Component Test Procedure Results(JDS986*BD*) E-burner assembly Verify gas is supplied ................................. Gas supplied,Check for obstructions in burner ports.(JDS986*BD*) E-burner ignitor Test for resistance of spark lead ................Test ignitor to chassis.................................Continuity.No continuity from ignitor to chassis.(JDS986*BD*) E-burner tube, front Nominal air shutter setting..........................Tolerance ....................................................250 1/4".031 Approx. 1/32"(JDS986*BD*) E-burner tube, rear Nominal air shutter setting..........................Tolerance ....................................................250 1/4".031 Approx. 1/32"(JDS8850BD*) Hidden bakeelementDisconnect wiring to element andmeasure cold resistance of terminals. .......Measure voltage at bake element..............Approx. 20 Ω.240 VAC.Broil element Disconnect wiring to element andmeasure cold resistance of terminals. ........Measure voltage at broil element ...............Approx. 12.5 to 18 Ω.240 VAC.(JDS986*BD*) Bake element Disconnect wiring to element andmeasure cold resistance of terminals. ........Measure voltage at bake element...............Approx. 22 Ω.240 VAC.(JDS8850BD*) Warmer element Disconnect wiring to element andmeasure cold resistance of terminals. .......Measure voltage at broil element ..............Approx. 12.5 to 18 Ω.120 VAC.Convection element Disconnect wiring to element andmeasure cold resistance of terminals. .......Measure voltage at convect element.........Approx. 16.5 Ω.240 VAC.Convection motor,2-speedMeasure voltage........................................Check motor windings to ground ...............120 VAC. (tolerance: 105 to 135 VAC)No continuity.RPM, Lo-speed: Approx. 1440 to 2040RPM, Hi-speed: Approx. 1860 to 2460(JDS8850BD*) Oven limit switch Normally closed, verify operation:Open: 209° to 221° F (98° to 105° C) ......Closed: 144° to 166° F (62° to 74° C) .....Infinite.Continuity.(JDS986*BD*) Oven limit switch Normally closed, verify operation:Open: 253° to 267° F (123° to 131° C) ....Closed: 188° to 212° F (87° to 100° C) ...Infinite.Continuity.(JDS8850BD*) Hi-limit temperatureswitch(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.(JDS8850BD*) Hi-limit temperatureswitch(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.