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Wayne
Dispenser
Vista Series
Wayne Vista Series User Manual
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93
November 1992
Part No. 917543 Rev
.
A
APPENDIX B.
ELECTRONIC/ELECTRICAL COMPONENT TROUBLESHOOTING
104
106
Table of Contents
Default Chapter
5
Table of Contents
5
Appendices
9
1 Introduction
13
Figure 1-1. Proportional Blending Block Diagram
14
The Blending Process Proportional Blenders
15
The Blending Process Fixed Ratio Blenders
15
Figure 1-2. Fixed Ratio Blending Block Diagram
16
2 General Operation
17
Sequence of the Dispensing Cycle
17
Unit Prices/Authorization
17
Figure 2-1. Bezel and Function Switch Location
18
Authorize Switch
19
Manually Setting Unit Prices
19
Table 2-1. Unit Price Switch Closure Definitions Proportional Blenders
20
Table 2-2. Unit Price Switch Closure Definitions Fixed Ratio Blenders
20
Figure 2-2. Unit Price Display
21
Table 2-3. Unit Price Switch Closure Definitions Non-Blenders
21
Setting a Fueling Point
22
3 Electronic Parts
23
Display Boards
23
Lighted Cash/Credit Interface Board
23
Solenoid Drive Board
24
Computer Assembly
24
Figure 3-1. Duplex II Computer Connector Locations
25
Fault Codes
26
Intrinsic Safe Barrier Printed Circuit Board
27
Pulser Assembly
27
Photocoupler
27
Figure 3-2A Duplex II Fault Code Displey Format and Definitions
28
Figure 3-2B. Duplex II Fault Code Displey Example
28
Table 3-1. Definition of Duplex II Computer Fault Codes
29
Pulser Disc
30
Suction Pump Motor
30
Blend Motor
30
Figure 3-3. Non-Blending Photocoupler Internal Wiring
31
Figure 3-4. Blending Photocoupler Internal Wiring
32
4 Mechanical Parts
33
Nozzle Boot (with Micro Switch)
33
Nozzle Boot (with Tilt Switch)
33
Figure 4-1. Nozzle Boot Assembly with Mirco Switch
34
Figure 4-2. Nozzle Boot Assembly with Tilt Switch
35
5 Hydraulic Parts
37
Strainer and Filter
37
Strainer
37
Filter
37
Flow Control Valve
38
Figure 5-1A. Blending Flow Control Valve "Off" no Flow
39
Figure 5-1B. Non-Blending Flow Control Valve "Off" no Flow
40
Figure 5-2. Flow Control Valve with Cover and Center Chamber Removed
41
Flow Control Valve "Off" no Flow
42
Flow Control Valve "On" Slow Flow
42
Figure 5-3A. Blending Flow Control Valve "On" Slow Flow
43
Figure 5-3B. Non-Blending Flow Control Valve "On" Slow Flow
44
Flow Control Valve "On" Full Flow
45
Flow Control Valve Holding Back Pressure
45
Figure 5-4A. Blending Flow Control Valve "On" Full Flow
46
Figure 5-4B. Non-Blending Flow Control Valve "On" Full Flow
47
Figure 5-5A. Blending Flow Control Valve Holding Back Pressure
48
Figure 5-5B. Non-Blending Flow Control Valve Holding Back Pressure
49
Flow Control Valve Relieving Back Pressure
50
Meter
50
Meter Adjustment
50
Figure 5-6A. Blending Flow Control Valve Relieving Back Pressure
51
Figure 5-6B. Non-Blending Flow Control Valve Relieving Back Pressure
52
Figure 5-7. Meter Cutaway
53
Figure 5-8. Meter Adjustment
54
Blend Valve
55
Compact Pumping Unit
55
Priming the Compact Pumping Unit
55
Figure 5-9. Blend Valve
56
Wayne Sump Assembly
57
6 Troubleshooting Guide
59
Sale Display and Unit Price Displays Are Blank
60
Sale Display On. Unit will Not Respond to Individual Function Switch
60
Sale Display On. Unit will Not Respond to any Function Switches
60
Unit Price Displaying 0.000
61
Computer will Not Reset
61
One or more Digits or Segments Fail to Operate
61
Unit Price Not Correctly Displayed
62
Computer Resets but Valves Do Not Open
62
Computer Resets but Submersible Pump Does Not Come on
62
Fault Code 01
63
Fault Code 02
63
Fault Code 03
63
Fault Code 04
64
Fault Code 05
64
Fault Code 06
64
Fault Code 20
64
Fault Code 08
65
Fault Code 10
65
Fault Code 11
65
Fault Code 12
65
Fault Code 13
65
Fault Code 14, 15, 16
65
Fault Code 21
65
Fault Code 51
66
7 Component Replacement
67
Electronic Component Replacement
67
Removing the Bezel from Vista Dispensers
67
Computer Assembly Replacement
68
Figure 7-1. Replacing the Duplex II Computer
69
Intrinsic Safe Barrier PCB Replacement
70
Display Board Replacement
70
Figure 7-2. Replacing the Intrinsic Safe Barrier Board
71
Figure 7-3. Replacing the Integrated Display Board
72
Cash/Credit Interface Board Replacement
73
Solenoid Drive Board Replacement
73
Figure 7-4. Replacing the Lighted Cash Credit Interface Board
74
Figure 7-5. Replacing the Solenoid Drive Board
75
Photocoupler/Pulser Disc Replacement
76
Nozzle Boot Switch Replacement
76
Actuator Module Replacement (Modules with Incandesent Lamps)
77
Actuator Module Replacement (Modules with High Intensity Leds)
78
Lighted Button Lamp Replacement
78
Back Lit Display Lamp Replacement
78
Hydraulic Component Replacement
79
Installation of Diaphragm
79
Diaphragm Valve
80
Actuator
80
Meter
81
Blend Valve
81
Appendix A Troubleshooting Flowcharts
83
Flowchart A-1. 01 Fault Code
85
Flowchart A-2. 02 Fault Code
86
Flowchart A-3. 03 Fault Code
87
Flowchart A-4. 04 Fault Code
88
Flowchart A-5. 05 or 20 Fault Code
89
Flowchart A-6. 06 Fault Code
90
Flowchart A-7. 08 Fault Code
91
Flowchart A-8. 10 or 21 Fault Code
92
Flowchart A-9. 11 Fault Code
93
Flowchart A-10. 12 Fault Code
94
Flowchart A-11. 13 Fault Code
95
Flowchart A-12. 14, 15 or 16 Fault Code
96
Flowchart A-13. 51 Fault Code
97
Flowchart A-14. Displays Are Blank
98
Flowchart A-15. Displays Scrambled
99
Flowchart A-16. Unit will Not Respond to Individual Function Switch
100
Flowchart A-17. Unit will Not Respond to any Function Switches
101
Flowchart A-18. Unit will Not Reset
102
Flowchart A-19. Unit Resets but will Not Dispense
103
Flowchart A-20. Unit Prices Show 0.000
104
Appendix B Electronic/Electrical Component Troubleshooting
105
Introduction
107
Removing the Bezel from the Dispenser
107
The Dispenser Electronic Module (DEM)
109
Testing the Duplex II Computer
111
The AC Input to the Solenoid Drive Board
117
Output to the Pulsers and Handle Switches
118
Power Output to the Displays
119
Testing the Output to the Annunciators
120
Testing the Power Output to the Preset Control Board
121
Testing the Input Power to the Computer
122
Testing the Fuses on the Duplex II Computer
123
Testing the Solenoid Drive Board
124
Testing the AC Output from the Solenoid Drive Board
130
Testing the Pulser Select Circuits
131
Testing the Output from the Photocoupler
132
Intrinsic Safe Barrier Board
134
Testing the Intrinsic Safe Barrier
137
Lighted Cash Credit Interface Board
138
Testing the Blend Motor
143
Appendix C Dispenser Internal Wiring Diagrams
145
Appendix D Gilbarco Pulser Interface Pcb Troubleshooting
159
User's Response Sheet
163
Warranty and Limitation of Remedy and Liability
165
4
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Wayne Vista Series Specifications
General
Manufacturer
Wayne
Series
Vista
Display
LCD
Payment Options
Cash, Credit/Debit
Communication
Ethernet
Compliance
UL
Category
Fuel Dispenser
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