Steve for Model Number k5ss Speed stutter (skipping), not on all settings, setting #4, some on #2, 6,8 are fine. Background: mixer was making noise like marbles in a tin can. Main't done: replaced field housing,armature,brushes and springs. Armature and field housing had wear marks, brushes 1/2 gone. Noise is gone BUT now stutter, tried to adj speed control screws to 15 rot per 15 sec,works for stir setting but not others, tried to find happy medium for other settings, NG. Observation: contacts on controller board getting worn. Phase board??? or ???
Answer Hi Steve. Based on the information you provided, it sounds like the phase board W11174552 is bad and will need to be replaced. Thank You. Read More... Answered by AppliancePartsPros.com | Monday, March 12, 2012