KitchenAid KAD-9 manual Troubleshooting Chart, Resistance Checks

Resistance Checks

NOTE: Perform component resistance checks, shown in the chart, with the wiring harness disconnected.

COMPONENT	CONNECTOR ON	PINS		RESISTANCE
	CONTROLLER
Rinse Aid	Dispenser	1-2			65-75 Ω
Dispenser
Detergent	Dispenser	3-4			65-75 Ω
Dispenser
Drying Fan	Fan	1-2			3.4 k Ω
		1-2	7.5-8.5 Ω per coil
Motor	Motor	1-3
		2-3
Fill Valve	Chassis/Harness	18-19	65-75 Ω per coil
Heater	Chassis/Harness	6-9			23-29 Ω
Element
Power	Chassis/Harness	4-9			25-35 Ω
Resistor
Temperature			962 Ω at 68 °F (20 °C)
	Chassis/Harness	1-2	1000	Ω	°	°	C)
Sensor					at 86 F (30
			1202 Ω at 140°F (60°C)
EMI	At Line Input	N-N			< 1 Ω
Filter		L1-L1
Lid	Chassis/Harness	1-2			55-200 Ω
Motor

TROUBLESHOOTING CHART

PROBLEM

POSSIBLE CAUSE AND RECOMMENDED PROCEDURES

Poor wash	SPRAY ARM HAS STOPPED ROTATING
performance	•	One of the items has fallen through the basket and jammed the spray arm.
	•	Filter plate, drain filter, or drain filter access panel is not installed correctly,
		causing the spray arm to jam.

	RACKS OVERLOADED/INCORRECTLY LOADED
	• Advise customer of correct loading.
	WRONG WASH CYCLE SELECTION
	• Advise customer about lower water temperatures in Normal and Quick Clean
	cycles. Use High Temp option.
Coffee/tea	NOT ENOUGH DETERGENT BEING USED
stains left in	• Fill detergent cup to the top; also fill prewash cup.
cups	• Run on Normal or Heavy cycle with High Temp option.
	UPPER RACKS OVERLOADED
	• Water cannot reach upper racks. Advise customer of correct loading.
Water spots	NOT ENOUGH/NO RINSE AID BEING USED
deposited on	• Use rinse aid; increase rinse agent setting (4 or 5 indicator lights).
dishware	• Run on Normal or Heavy cycle with High Temp option.
White film	NOT ENOUGH DETERGENT BEING USED
deposited on	• Fill detergent cup to the top; also fill pre-wash cup.
dishware*	• Run on Normal cycle with High Temp option.
	MINERAL BUILDUP FROM HARD WATER
	• Use a detergent additive designed for use in hard water areas or fit a water softener to
	the incoming water supply.

*Once this film has formed on dishware it cannot be removed by normal washing. Remove film by soaking dishware in a solution of white vinegar and water. Follow procedures above to prevent reoccurrence.

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