KITCHENAID
Stand Mixer Service Manual LIT4177310-C 2005 KitchenAid
PROBLEM SOLVING QUICK REFERENCE GUIDE
Appendix B-1
MIXER PROBLEM MOST LIKELY CAUSE(S) WHAT TO DO / CHECK
Switch lever clicks, but mixer will not Open electrical circuit. Faulty plug.
run or buzz. Faulty power cord.
Faulty speed control plate.
Wire loose from brush holder.
Bad connection between field and cord.
Open circuited armature.
Open circuited field.
Faulty switch ON/OFF.
Bad phase control.
Dirty contacts.
Incorrect brush orientation.
Mixer will not shut off with switch. ON/OFF switch not correctly Check switch control link lever.
adjusted with switch control link
Bowl not held firmly on pedestal Loose clamp disc screws. Tighten the screws.
Bent bowl screw cap. Replace bowl screw cap.
If none available, bend the four lugs or lips
back into position.
Beater strikes bowl or too much Adjusting screw on tongue of Turn the adjusting screw slightly to right or left to
clearance. bottom cover improperly set. adjust clearance. Clearance should be 1/16"
Planetary turns - beater does not revolve. Pinion gear drive pin broken. Remove planetary and take off the pinion gear.
Replace the drive pin.
Mixer runs with a raspy, bumpy noise Bottom cover internal gear teeth Remove the planetary & bottom cover.
at the planetary. worn or broken. NOTE: The complete bottom cover assembly must
be replaced.
Mixer runs with bad vibration rumbling Faulty governor. Replace the governor.
noise and goes to higher speeds. Control plate contacts not going closed.
Adjust the control plate.
Bad phase control. Replace the phase control.
Mixer runs on low speed, but has Bad electrical connections. Check the connections to the control plate.
no power. Repair any loose connections.
Replace the control plate assembly.
Mixer has no power on low speed but "Stir" speed improperly set Remove end cover and reset "stir" speed.
OK on high speed. The planetary should revolve at 60 RPM on "stir"
Faulty governor. Turn switch lever to # 10 position and hold out the
control plate as far as possible. Turn the switch lever
to "OFF". Watch the governor as it recedes when the
armature slows down. If faulty, replace it.
Repeated worm gear failures. Galled attachment gear. Replace attachment hub gear.
Attach hub bearing galled. Replace gear case - motor housing.
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