Symptom Possibility Correction
Fan motor buzzes Open capacitor Harness, terminals or bad capacitor.
No fan operation Open winding as indicated Replace motor.
by ohm check red to gray and blue
to gray (approx. 60 ohms each)
Fan loud Loose shaft nut Tighten shaft nut. Do not bend blade.
Fan loud Convect cover screws Tighten. Use larger screw if stripped.
or cavity screws loose
No fan operation Check voltage blue to gray when fan • Check RPSM MAIN.
is counterclockwise – should read • If voltages OK, check harness or winding
120VAC. Also, red to gray when resistance.
clockwise – should read 120 VAC.
No fan operation Shaft or blade rubbing on oven liner Loosen screws/readjust position/tighten.
No fan operation Jamb switch NO to C is open Replace jamb switch or check harness.
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