KitchenAid KUD01, KAD-7 manual Troubleshooting and Diagnosis, Section Four, Troubleshooting Chart

Fig. 3-18A

Removing the Drain Pump Motor

1. With one hand, press back on the plastic tab that holds the pump motor from rotating. (Fig. 3-19)

2. With the other hand, rotate the pump motor counterclock- wise approximately ¼ turn. The pump motor will now be free of the pump assembly.

20

Removing the Soil Sensor

If so equipped, a soil sensing pressure switch is mounted on the drain pump outlet. Disconnect the two wiring harness connectors from the switch terminals. Disconnect the drain tube. (Fig. 3-18A)Re- move the Torx T-15 screw securing sensor assembly to the pump base. Lift it from the pump outlet.

(Fig. 3-18B)

Soil Sensor

Pressure Switch

Fig. 3-18B

NOTE: When reinstalling the sump assembly, align the locator key with the corresponding slot in the tub opening. (Fig. 3-17)

Sump Tab

4. Remove the soil sensor, if present. (See procedure below.)

5. Remove the drain pump motor. (See procedure below.)

6. Remove the three (3) sump tabs that secure the sump assembly to the dish- washer tub. (Fig. 3-17, Inset)

7. From inside the tub, lift the back of the sump up approximately ½ inch.

Push the assembly back, lift up the front and then lift it out.

SERVICING THE SUMP ASSEMBLY Removing the Sump Assembly

The entire sump assembly can be removed from inside the dishwasher tub.

1. Remove the access and toe panels from underneath the dishwasher door by re- moving the two (2) screws securing it to the dishwasher frame. (Fig. 3-16)

2. Disconnect the wiring harness connectors from the drain pump motor terminals, the soil sensor and the thermistor.

3. Disconnect the drain tube from the soil sensor (if present) on the drain pump outlet.

Access Panel

Toe Panel

Fig. 3-16

	Locator Key
Inset

Sump

Tab

Sump

Tab

Fig. 3-17

Drain Pump

Fig. 3-19

SECTION FOUR

TROUBLESHOOTING AND DIAGNOSIS

TROUBLESHOOTING CHART

PROBLEM		POSSIBLE CAUSES		CORRECTION/TEST
Dishwasher does not run	1.	Door is not latching properly.	1.	Check to make sure handle
or stops during a cycle				is properly seated in door
				latch assembly. Check that
				the door switch is opening
				and closing properly.
	2.	Child lock is "ON".	2.	Turn child lock "OFF". See Use
				and Care Guide.
	3.	Wash Cycle not set properly.	3.	Review setting Wash Cycles
				in the Use and Care Guide.
	4.	Household fuse blown or circuit	4.	Have a qualified electrician
		breaker tripped.		check the circuit breaker or
				fuse.
	5.	Dishwasher is not wired into a	5.	Have customer call a qualified
		circuit with proper voltage.		electrician.
Dishwasher will not fill	1.	Overflow protection float is	1.	Check that the overflow pro-
		stuck in "up" position.		tection float is free to move
				"up" and "down" Check that
				the overfill switch in opening
				and closing properly.
	2.	Fill valve is inoperable.	2.	Check for continuity between
				contacts on fill valve.
	3.	Control board is inoperable.	3.	Check for 120VAC between
				P8 and P2-3.
Dishwasher will not drain	1.	Air gap (if installed) is clogged.	1.	Follow air gap manufacturer's
				directions for cleaning.
	2.	Pump motor is inoperable	2.	Disconnect pump motor from
				wiring harness and check for
				continuity between GY & BU/
				BK.
	3.	Control board is inoperable.	3.	Check for 120VAC between
				P8 and P3.
Dishwasher will not	1.	Heater element is open or shorted.	1.	• Check for continuity be-
dry dishes				tween the terminals of the
				heater element.
				• Check for 120VAC between
				P8 and Neutral.
	2.	Hi-limit thermostat inoperable.	2.	Check for continuity between
				terminals of the hi-limit
				thermostat.
	3.	Active vent wax motor inoperable.	3.	• Check for continuity be-
				tween terminals of the
				wax motor.
				• Check for 120VAC between
				P8 and Neutral.

25