KitchenAid KSM88 - Phase Control (TRIAC) Circuit; Control Board Function

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Fig. 1) Control Board parts (as viewed from the rear)
Table 1
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6
6
Z
Z
L
L
W
W
F
F
K
K
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6
6
Z
Z
L
L
W
W
F
F
K
K
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WR0RWRU
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&/26('
Full VSHHGV
PL[HUXS
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23(1
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2/3 supply
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23(1
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23(1
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1/3 supply
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23(1
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INVALID
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Note: Condition 4 is invalid as the control board is designed such that switch
1 always opens first (see Fig. 2).
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Screw 1
Screw 2
Switch 1
W-bar
Switch 2
Fixed point
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Power Switch
Moveable
blade
Screw 3
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TO
Slower -
Faster