Maytag Dishwasher mdb8600awb User Manual

Technical Information- Dishwasher  
MDB8600AWB MDB8600AWQ MDB8600AWS MDB8600AWW  
MDB9600AWB MDB9600AWQ MDB9600AWS MDB9600AWW  
Due to possibility of personal injury or property damage, always contact an authorized technician for servicing or  
repair of this unit. Refer to Service Manual 16021814.  
CAUTION  
All safety information must be followed as provided in Service Manual 16021814.  
!
WARNING  
!
To avoid risk of electrical shock, personal injury, or death, disconnect power to dishwasher before servicing, unless  
testing requires power.  
Specifications  
Power Source  
Voltage AC  
Amperage  
(Single Unit)  
Frequency  
Motor  
MDB8600AW* MDB9600AW*  
Benefits  
Wash cycles  
Heavy Wash  
Normal Wash  
MDB8600AW* MDB9600AW*  
5
X
X
6
X
X
120 VAC  
15 A  
120 VAC  
15 A  
60 Hz  
1/3  
60 Hz  
1/3  
Light Wash  
Rinse Only  
X
X
X
X
horsepower  
Receptacle  
Plug  
N/A  
N/A  
N/A  
N/A  
Auto Clean  
Drying System  
Features  
X
X
X
X
Dimensions  
33 ½” to 35 ¼” 33 ½” to 35 ¼” QuietSeries 300™  
X
X
X
X
Heightoverall  
Width  
Depth  
Weight  
Un-crated  
23 7/8”  
23 1/2”  
23 7/8”  
23 1/2”  
*Sanitizer  
X
X
X
X
X
X
X
X
X
X
*ToughScrub™  
*160° Wash  
*Extra Rinse  
1-9 Hour Delay Start  
Control Lock  
Energy Star  
65 lbs.  
65 lbs.  
X
X
X
X
X
X
X
Active Vent Dry  
Finer Filtration  
Hard Food  
Disposer  
Remaining Time  
Countdown Display  
Integrated Control  
Panel  
X
X
X
Angled Panel with  
Microprocessor  
Controls  
11 Touch Pad  
Controls  
X
X
13 Touch Pad  
Controls  
X
*On selected models only  
May 2004  
1
16023220  
©2004 Maytag Services  
 
Component Specifications  
WARNING  
!
To avoid risk of electrical shock, personal injury, or death, disconnect power to dishwasher before servicing,  
unless testing requires power.  
Illustration  
Component  
Limit Thermostat  
Test Procedure  
Results  
= Closed  
Close on Temperature drop @ 149°F  
7°F (Temp) ......................................  
Open on Temperature drop @ 164°F  
4°F (Temp) ......................................  
0 Ω  
Infinite = Open  
Sensor/Thermistor  
10K3% at 77°F and 2.4 k Ω  
6.5% at 140°F  
J5 pin 1 - Orange (Temp) to J5 Pin 4 -  
Red (Neutral) .....................................  
Infinite = Open  
0 Ω  
= Closed  
Heater/Heating  
Element  
Measure resistance from ST1  
Red/Black (Heater) to ST11 White  
(Common) ..........................................  
16 Ω  
120v/60hz, 650 watts  
5% in air, 830 watts  
5% in coldwater  
(This value assumes the high limit  
thermostat is closed).  
Drain Motor  
120v/60hz  
Measure resistance from  
ST6 Gray (Drain) to ST4 Black  
(Common) ..........................................  
25 Ω  
See section “Motor Connections and  
Diagram” for wiring contacts.  
May 2004  
©2004 Maytag Services  
3
16023220  
 
Component Readings/Testing  
WARNING  
!
To avoid risk of electrical shock, personal injury, or death, disconnect power to dishwasher before servicing,  
unless testing requires power.  
Manual Function Test  
Field Service Test  
A Manual Function Test may be started by pressing the Normal Wash key  
5 times followed by the Start key within 6 seconds.  
A Field Service Test may be started by pressing the Heavy Wash key 5 times  
followed by the Start key within 6 seconds. This test must be performed with  
clean water to insure proper sensor performance.  
The Normal Wash LED will Flash 3 times indicating manual test mode is  
active. Specific keypads will turn on or off a component as follows:  
“88” will appear in the display (if available*) and the following sequence of  
events will occur:  
Heavy Wash  
Normal Wash  
Light Wash  
Rinse Only  
Wash Motor  
Drain Motor  
Water Valve  
Soap Dispenser (cycle once)  
Rinse Aid (cycle twice)  
Vent  
SECONDS  
FUNCTIONS / ACTIVE LOADS  
Vent Wax Motor/Water Valve  
Thermistor check/Turbidity Sensor check &  
calibration - no loads active.  
Wash Motor/Vent Wax Motor/Dispenser Wax Motor  
Wash Motor/Heater/Vent Wax Motor  
Drain Pump  
106  
5
120  
180  
120  
4
Sanitize  
Heated Dry  
Heating Element  
Water Valve  
When a component is activated by pressing a specific keypad, the LED above  
the keypad will be On. The test will cancel 120 seconds after the last keypad is  
pressed. The display (if available) will show ‘99’ until the remaining timeout  
period is less than 99 seconds. At this point it will countdown until the mode  
times out, is cancelled, or another key is pressed. To cancel test, press the  
Start / Cancel keypad.  
Time frame for Thermistor/Turbidity Sensor check & calibration may vary  
slightly.  
The Field Service Test will not repeat. The Heavy Wash LED will Flash during  
the test mode. Indicator lights (except Heavy Wash and the Display) will  
illuminate per Sales Floor Demo Mode. If the dishwasher door is opened  
during the test, the test sequence will pause, and resume when the door is  
closed. To the cancel test, press the Start / Cancel keypad.  
Sales Floor Demo Mode  
Press Extra Rinse keypad 5 times within 6 seconds. The LEDs will illuminate  
in a progressive order until all are lit. All LED’s will stay on for 1 second then all  
go off simultaneously. The display (if available) will begin at ‘50’ and sequence  
down to ‘0’ at a 1 second interval and repeat until this mode is terminated. This  
mode will repeat.  
The control has been designed to test the Sensor Memory and Motor. During  
the Field Service Test, if a fault has been detected, the test will abort any time  
after the motor current has been checked and 2 or more LED's will begin to  
Flash. A Memory / Software Check will occur immediately after the test is  
To cancel, press the Start / Cancel keypad.  
Diagnostic Tips  
started. The (See Note**) LED and one of the following:  
To check control LEDs, enter Sales Floor Demo Mode. If control fails to  
perform as described, replace control. To check control and components, enter  
Field Service Test. If control fails to perform sequence as described, and a  
fault is detected, determine failure as described in the Field Service Test. If a  
load component failure has been diagnosed, proceed to the Manual Function  
Test. To check individual load components for proper operation, enter Manual  
Function Test. Follow test procedure as described. Repair or replace  
component as needed.  
Turbidity Sensor - failure - Rinse Only LED  
Thermistor - failure - Heavy Wash LED  
Motor - high current - Normal Wash LED  
Motor - low current - Light Wash LED  
Memory Failure Heated Dry LED  
-
* On select models  
** On units with Front Controls only, this will be the Clean LED  
,
on units with  
Note: The High Current or Low Current Motor Error may be detected during  
a wash cycle selected by a consumer. If this happens, the control will go into a  
30 second auto restart mode and shut down if the unit is not able to restart the  
motor.  
Top & Front Controls, this will be the Delay LED  
Membrane Readings  
(Front & Top Controls)  
Membrane Readings  
(Front Only Controls)  
Connector  
Measure Between  
Pin 9 - Pin 5  
Pin 9 - Pin 6  
Pin 9 - Pin 7  
Pin 9 - Pin 8  
Pin 10 - Pin 5  
Pin 10 - Pin 6  
Pin 10 - Pin 7  
Pin 11 - Pin 5  
Pin 11 - Pin 6  
Pin 11 - Pin 7  
Pin 10 - Pin 8  
Pin 11 - Pin 8  
Pin 12 - Pin 7  
Connector  
Measure Between  
Pin 10 - Pin 5  
Pin 9 - Pin 5  
Pin 9 - Pin 6  
Pin 9 - Pin 7  
Pin 9 - Pin 8  
Pin 10 - Pin 6  
Pin 11 - Pin 5  
Pin 11 - Pin 6  
Pin 11 - Pin 8  
Pin 10 - Pin 7  
Pin 10 - Pin 8  
Pin 12 - Pin 8  
Pin 9 - Pin 5  
Pin 9 - Pin 6  
Heavy Wash  
Normal Wash  
Light Wash  
Rinse Only  
Auto Clean  
Start / Cancel  
Delay  
Heated Dry  
Sanitize  
Tough Scrub  
Tough Scrub Plus  
Extra Rinse  
Model ID Jumper  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
Auto Clean  
Heavy Wash  
Normal Wash  
Light Wash  
Rinse Only  
Quick Wash  
Heated Dry  
Sanitize  
Extra Rinse  
Tough Scrub Plus  
160° Wash  
Model ID Jumper  
Start / Cancel  
Delay  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J1  
J3  
J3  
*
*
An unpressed switch will read as an open circuit.  
A pressed switch will read as 10 k ohms.  
* On select models  
An unpressed switch will read as an open circuit.  
A pressed switch will read as 10 k ohms.  
* On select models  
Load Readings  
Measure between:  
ST1 (Heater) - ST11 (Dlb Neutral)  
Result  
16 ohms  
Heater¹  
Wash Motor  
Drain Motor  
Vent Wax Motor  
Dispenser Wax Motor  
Water Valve²  
Thermistor  
ST5 (Motor Common) - ST8 (Motor Main) 3 to 4 ohms  
ST6 (Drain) - ST4 (Dlb Line)  
25 ohms  
1.2 k ohms  
J6 Pin 1 (Vent) - ST4 (Dlb Line)  
J6 Pin 3 (Disp) - ST4 (Dlb Line)  
J6 Pin 4 (Inlt) - ST4 (Dlb Line)  
J5 Pin 1 (Temp) - J5 Pin 4 (Neutral)  
2 k ohms  
1.1 k ohms  
See Component Info  
Notes:  
1. This value assumes the high limit thermostat is closed.  
2. This value assumes the float switch is closed.  
3. Results are approximate values.  
16023220  
4
May 2004  
©2004 Maytag Services  
 
Electrical Diagnostics  
WARNING  
!
To avoid risk of electrical shock, personal injury, or death, disconnect power to dishwasher before servicing,  
unless testing requires power.  
May 2004  
5
16023220  
©2004 Maytag Services  
 
Motor Connectivity  
WARNING  
!
To avoid risk of electrical shock, personal injury, or death, disconnect power to dishwasher before servicing,  
unless testing requires power.  
Wire harness  
Connection plug  
Blue (Common)  
Yellow  
(Main)  
Green (Ground)  
(Start)  
Red  
1/3HP  
120V/60hz, 3.2 amps, 3250 RPM  
16023220  
6
May 2004  
©2004 Maytag Services  
 
Wiring Diagram  
WARNING  
!
To avoid risk of electrical shock, personal injury, or death, disconnect power to dishwasher before servicing,  
unless testing requires power.  
BK  
BK  
DOOR SWITCH  
(LI)  
CIRCUIT BOARD  
J6  
PIN  
1
J5  
PIN  
1
RD  
BK  
BK BK BU  
GY  
YL  
WH WH  
AQ TN  
PU  
BK  
PU AQ RD RD  
OR  
BK  
BK  
RD  
BK  
AQ  
AQ  
PU  
BK  
BU  
GY  
YL  
WH WH  
TN  
PU  
BK  
PU  
OR  
RD  
BK  
LI  
OR  
RD  
RD  
AQ  
BK  
BK  
AQ  
GY  
WH  
WH  
BK  
PU  
WH  
PU  
TN  
AQ  
WH  
TN  
AQ  
YL  
YL  
RD  
RD  
BK  
RD  
BK  
OR PU AQ RD  
MOTOR  
CAPACITOR  
BK  
PU  
FLOAT  
SWITCH  
GY  
BK  
GR  
THERMOSTAT  
BK  
BU YL GR RD  
GR  
VENT  
BK  
RD  
BK  
BK  
(TERMINAL  
BOX)  
N
BK  
AQ  
TN  
DRAIN  
MOTOR  
SENSOR & THERMISTOR  
OR  
OR  
WH  
WH  
GR  
RD  
BK  
BK  
RD  
WH  
BK  
(TUB SHIELD)  
GR  
COLOR CODE  
DISPENSER  
BK  
WATER  
VALVE  
BK  
(HINGE)  
AQ  
BK  
BU  
BR  
GY  
GN  
OR  
PK  
PU  
RD  
TN  
WH  
YL  
AQUA  
RD  
RD  
BLACK  
BLUE  
BROWN  
GRAY  
GREEN  
ORANGE  
PINK  
PURPLE  
RED  
DOOR SWITCH  
(N)  
HEATER  
WASH MOTOR  
BK  
BK  
NOTE: SOME WIRES HAVE  
STRIPES. STRIPED WIRES ARE  
LABELED WITH THE SOLID  
COLOR FIRST AND THE STRIPE  
COLOR SECOND.  
KEY  
EXAMPLE: A RED WIRE WITH A  
BLACK STRIPE WOULD BE  
LABELED  
WIRES NOT CONNECTED  
WIRES CONNECTED  
TAN  
WHITE  
YELLOW  
Component Information  
Wash Motor  
Water Valve  
1/3 HP motor,  
120V / 60hz, 3.2 amps, 3250 RPM  
Main wattage, 285 watts  
Start wattage, 1115 watts  
120V / 60hz, 7 watts  
1.13 .10 gpm at 20 - 120 psi  
Heating Element  
Limit Thermostat  
120V / 60hz, 650 watts 5% in air  
830 watts 5% in cold water  
SPST ¼” terminal switch  
Close at 149° 7°F (65.0° 3.9°C)  
Open at 164° 4°F (73.3° 2.3°C)  
These parts are present on  
models with 3 racks.  
Thermistor  
Resistance and tolerance:  
10k ohms 3% at 77°F (25°C) and  
2.4k ohms 6.5% at 140°F (60°C)  
Wax Motors  
Vent - 120V continuous duty ¼”  
actuation stroke within 90 seconds  
Detergent & Rinse Aid - 120V  
incremental duty with ¼” actuation  
stroke within 90 seconds  
Capacitor  
300V / 50 - 60hz  
185°F(85°C), 15µf + 10% / -5%  
Drain Motor  
45 watts  
May 2004  
©2004 Maytag Services  
7
16023220  
 
Cycle Chart  
WARNING  
!
To avoid risk of electrical shock, personal injury, or death, disconnect power to dishwasher before servicing,  
unless testing requires power.  
16023220  
8
May 2004  
©2004 Maytag Services  
 

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