GE Monogram ZBD6400 Series How to use

C
C
PUB # 31-9087 12/01
MODEL SERIES:
ZBD6400
ZBD6500
ZBD6600
ZBD6700
ZBD6900
ZBD7000
ZBD7100
TECHNICAL SERVICE GUIDE
GE Consumer Home ServicesTraining
Monogram Dishwasher

IMPORTANT SAFETY NOTICE
The information in this service guide is intended for use by
individuals possessing adequate backgrounds of electrical,
electronic, and mechanical experience. Any attempt to repair a
major appliance may result in personal injury and property
damage. The manufacturer or seller cannot be responsible for the
interpretation of this information, nor can it assume any liability in
connection with its use.
WARNING
To avoid personal injury, disconnect power before servicing this
product. If electrical power is required for diagnosis or test
purposes, disconnect the power immediately after performing the
necessary checks.
RECONNECT ALL GROUNDING DEVICES
If grounding wires, screws, straps, clips, nuts, or washers used
to complete a path to ground are removed for service, they must
be returned to their original position and properly fastened.
!
GE Consumer Home Services Training
Technical Service Guide
Copyright © 2001
All rights reserved. This service guide may not be reproduced in whole or in part
in any form without written permission from the General Electric Company.

6000 & 7000 Series DISHWASHERS
PAGE 1
1.0 PRODUCT INFORMATION Page 2
1.1 Description 2
1.2 Model Designation 4
1.3 Major Component Location 6
1.4 Micro Filtration 7
2.0 SAFETY Page 9
2.1 Warning 9
2.2 Safety Practices 9
3.0 SPECIFICATIONS Page 10
3.1 General Specifications 10
4.0 FAULT DIAGNOSIS Page 14
4.1 Fault Indication Models 6400/6500, 6905, 7000 14
4.2 Fault Indication Models 6600, 6605 15
4.3 Not Heating 17
4.4 Over Temperature 17
4.5 Not Filling 17
4.6 Not draining 17
4.7 Overfill 17
4.8 Turbidity Sensor Failure 17
4.9 Door Thermistor Failure 17
4.10 Test Facilities 18
4.11 General Diagnostics 27
5.0 SERVICE PROCEDURES Page 32
5.1 General Access 32
5.2 Procedures 33
5.2.1 Door Latch 33
5.2.2 Door Panel 6400,6500,6600,6605 33
5.2.3 Door Panel 6700,6900,6905 33
5.2.4 Door Panel 7000,7005,7100,7105 34
5.2.5 Control Panel 6400, 6500, 6600, 6605 35
5.2.6 Power Control Panel 35
5.2.7 Control Panel 6400, 6500 37
5.2.8 Cabinet trims & Wrap Removal 38
5.2.9 Door Hinge, Spring & Support Rods 39
5.2.10 Stainless Steel Door Liner 39
5.2.11 Remove Door Hinges 40
5.2.12 Door Seal 40
5.2.13 Upper Venturi Assembly 41
5.2.14 Upper Venturi Assembly - Dismantle 42
5.2.15 Upper Venturi Assembly - Reassemble 42
5.2.16 Upper Venturi Assembly - Reinstall 42
5.2.17 Upper Basket Rail & Wheel Guides 42
5.2.18 Upper Basket Feed Pipe 43
5.2.19 Siphon Break 43
5.2.20 Drain Cup Filter 45
5.2.21 Perforated Stainless Steel LH side Wash Filter 45
5.2.22 Micro-mesh Barrel Wash Filter 45
5.2.23 Recuperative By-pass Filter 45
5.2.24 Lower Spray Arm Support 46
5.2.25 Perforated Stainless Steel RH side Wash Filter 46
5.2.26 General View beneath the Cabinet 47
5.2.27 Pressure Switch 48
INDEX
5.2.28 Capacitor - Wash Motor 48
5.2.29 Thermostat - Overtemperature 49
5.2.30 Heating Element 50
5.2.31 Turbidity Sensor 51
5.2.32 Air dome 51
5.2.33 Water Inlet Solenoid Valve 52
5.2.34 Drain Pump - Removal 52
5.2.35 Wash Motor Pump Assembly removal 53
5.2.36 Sump 56
5.2.37 Sump Base plate/Non-return Flap Valve 56
5.2.38 Interior Light 57
5.2.39 Detergent and Rinse Aid Dispenser 58
5.2.40 Drying Assist Fan 58
5.2.41 Door Handle 6400, 6500, 6700, 6900, 6905 59
5.2.42 Door Handle Cover Plate 6400, 6500, 6700,
6900, 6905 60
5.2.43 Door Lock Microswitch 6400, 6500, 6700,
6900, 6905, 6600, 6605 60
5.2.44 Door Lock Microswitch 7000, 7005,
7100, 7105 61
5.2.45 Door Lock Microswitch Lever 6400, 6500, 6700,
6900, 6905, 6600, 6605 61
6.0 PROGRAM & CIRCUIT INFORMATION
6.1.1 Programs - 6400 & 6500 Models 62
6.1.2 Programs - 6600 Rotary Model 63
6.1.3 Programs - 6605 Pots Rotary Model 64
6.1.4 Programs - 6700, 6900 & 7000 Models 66
6.1.5 Programs - 6905 Model 66
6.2 Circuit Diagram - Electronic Controller 67

6000 & 7000 Series DISHWASHERS
PAGE 2
1.0 PRODUCT INFORMATION
1.1 DESCRIPTION
1.1.1 Electronic Control Panel Models
Control Panel
Electronic Model 6400
All white door, cabinet, and control panel,
or all black door, cabinet, and control panel
Electronic Model 6500
Stainless steel door, black cabinet and control panel
1.1.2 Electronic Rotary Control Models
Electronic Rotary Model 6600
Stainless steel door and control panel, black cabinet,
Electronic Rotary Model 6605
Black cabinet, stainless steel door and control panel
No Turbity Sensor
Electronic Model 6700
All white door, control panel and cabinet,
or all black door, control panel and cabinet
Electronic Model 6900
Stainless steel door, black control panel and cabinet
Electronic Model 6905
Stainless steel door, black control panel and cabinet
No turbidity sensor

6000 & 7000 Series DISHWASHERS
PAGE 3
1.1.3 Electronic Integrated Models
Electronic Integrated Model 7000
Black cabinet, black door
Electronic Integrated Model 7005
Black cabinet, black door, no turbidity sensor
Electronic Integrated Model 7100
Black cabinet, stainless steel door
Electronic Integrated Model 7105
Black cabinet, stainless steel door, no turbidity sensor
Turbidity sensor

6000 & 7000 Series DISHWASHERS
PAGE 4
Detergent and
Rinse Aid
Dispenser
Lower Basket
Upper Basket
1.1.4 Interior, all Models
Light - All Models except 6400 & 6500
1.1.5 General view beneath the cabinet
Wash Motor / Pump Assembly Capacitor Heating Element
Turbidity Sensor (not on 6905, 6605) Overtemperature Thermostat
Drain Pump Sump Air Dome Water Inlet Solenoid Valve

6000 & 7000 Series DISHWASHERS
PAGE 5
1.2 Model Designation
Model 6400 6700 6905 6600 6605 7000 7005 7100 7105
6500 6900
Control Panel Type Electronic Electronic Electronic Electronic Electronic Electronic Electronic Electronic Electronic
Rotary Rotary Integrated Integrated Integrated Integrated
Door Finish
White 6400 6700 No No No No No No No
Black 6400 6700 No No No Yes Yes No No
Stainless 6500 6900 Yes Yes Yes No No Yes Yes
Programs
Rinse Only Yes Yes Yes Yes Yes Yes Yes Yes Yes
Speed Wash No No No Yes Yes No No No No
China Chrystal Yes Yes No Yes No Yes Yes Yes Yes
NormalWash YesYesNo YesNo YesYesYesYes
Pots&Pans YesYesNo YesNo YesYesYesYes
Pots Light No No Yes No Yes No No No No
Pots Normal No No Yes No Yes No No No No
Pots Heavy No No Yes No Yes No No No No
Options
Normal Temp Yes Yes Yes Yes Yes Yes Yes Yes Yes
Sani Temp Yes Yes Yes Yes Yes Yes Yes Yes Yes
Super Sani Temp No Yes Yes No No Yes Yes Yes Yes
Delay Start Yes Yes Yes No No Yes Yes Yes Yes
Heated Dry Yes No No Yes Yes No No No No
Smart Dry No Yes Yes No No Yes Yes Yes Yes
Clear Button Yes Yes Yes No No Yes Yes Yes Yes
Start/Clear Button No No No Yes Yes No No No No
Features
Fan Assisted Dry Yes Yes Yes Yes Yes Yes Yes Yes Yes
Turbidity Sensor Yes Yes No Yes No Yes No Yes No
Overfill Protection Yes Yes Yes Yes Yes Yes Yes Yes Yes
Interior Light No Yes Yes Yes Yes Yes Yes Yes Yes
Place Settings 10 10 10 10 10 10 10 10 10
Upper Basket
Height Adjustment Levels 222222222
Fold Down Cup Racks Yes Yes No Yes No Yes Yes Yes Yes
Fold Down Plate Racks No Yes No Yes No Yes Yes Yes Yes
Lower Basket
Fold Down Plate Racks Yes Yes No Yes No Yes No Yes Yes
Pots Wash Racks No No Yes No Yes No Yes No No
Cutlery Basket Covers Yes Yes No Yes No Yes No Yes Yes
Largest Plate (Inches) 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2 12.2

6000 & 7000 Series DISHWASHERS
PAGE 6
1.3 Major Component Location
The diagram below illustrate the location of the major components. Refer to Section 5.1
1. Upper basket feed pipe
2. Drying assist fan
3. Door microswitch
4. Interior light (except 6400 & 6500)
5. Electronic controller
6. Siphon break
7. Light switch (except 6400 & 6500
8. Door hinge, spring and push rod guide
9. Pressure switch
10. Air dome
12 4
6
7
5
17
19
16
15
12
11. Water inlet solenoid valve
12. Turbidity sensor (except 6905, 6605, 7005 & 7105)
13. Sump
14. Drain pump
15. Overtemperature thermostat
16. Wash motor pump
17. Heating element
18. Wash motor capacitor
19. Detergent and rinse aid dispenser
20. Condensate duct
18
8
9
10
11
3
20
14 13

6000 & 7000 Series DISHWASHERS
PAGE 7
1.4 Micro-Filtration
1.4.1 Level 4 Micro-Filtration
These models have a 4 level micro-filtration stainless steel filtering system.
Level 1 -
Drain Cup Filter
Level 2 -
Perforated Stainless Steel Filters
Level 3 -
Micro-mesh Barrel Filter
Level 4 -
Recuperative By-pass Filter
Lower Spray Arm

6000 & 7000 Series DISHWASHERS
PAGE 8
1.4.2 Water flow - 4 Level System
The diagram below illustrates the water flow and identifies the main components in a 4 level micro-filtration system.
Note:The sump is drawn in dotted lines for illustration purposes.
1
10
10
2
3
4
8
9
1314
15
7
651112
1. Water solenoid inlet valve
2. Siphon break
3. Pressure switch
4. Air dome
5. Wash pump water inlet via sump
6. Wash pump
7. Wash pump water outlet to upper spray arm
8. Wash pump water outlet to lower spray arm
9. Wash pump water outlet to by-pass filter
10. Various lower spray arm water jets
11. Lower spray arm water jets to by-pass filter
12. Recuperative by-pass filter
13. Drain pump water inlet via sump
14. Drain pump
15. Water outlet to drain
16. Turbidity sensor
16