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.16 16026929 © 2006 Maytag ServicesIllustration Component Test Procedure ResultsL A BA1 B1NSpark module 4 + 0 Test for voltage at terminals L and N .....Check polarity and ground .....................120 VACSee wiring diagram.Snap switch(pan switch)NOTE: Downdraftfan will not engageif this switch is notactivated.Test for voltage at terminals...................Disconnect wiring and check forcontinuity in LITE position ......................120 VACContinuity in LITE position.(JDS8850BD*) Dual burner valve Verify gas is supplied .............................Orifices adjusted forNatural or LP.Gas supplied.Burner valve,push-to-turn, 270°5 K btu9.2 K btu16 K btuVerify gas is supplied .............................Orifice adjusted forNatural or LP.Adjust set screw for simmer control.Gas supplied.(JDS986*BD*) Burner valve,push-to-turn, 270°,E-burnerVerify gas is supplied .............................Orifice adjusted forNatural or LP.Adjust set screw for simmer control.Gas supplied.Orifice holder5 K btu9.2 K btu16 K btuVerify gas pressure ................................Check orifice for debris ..........................5" Natural10" LP/propaneClean as needed.(JDS8850BD*) Orifice holder,dual burner12 K btu3 K btuVerify gas pressure ................................Check orifice for debris ..........................5" Natural10" LP/propaneClean as needed.(JDS8850BD*) Spark switch Test for voltage at terminals...................Disconnect wiring and check forcontinuity in LITE position ......................120 VACContinuity in LITE position.(JDS986*BD*) Spark switch Test for voltage at terminals...................Disconnect wiring and check forcontinuity in LITE position ......................120 VACContinuity in LITE position.(JDS986*BD*) Double valve switch Test for voltage at terminals...................Disconnect wiring and check forcontinuity in LITE position ......................120 VACContinuity in LITE position.Spark ignitionelectrodeTest for resistance of spark lead ............Test ignitor to chassis ............................ContinuityNo continuity from ignitor to chassis.Temperature sensor Measure resistance................................ Approx 1000 Ω at room temperature,75° F (23.8° C).