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DigitalFlow DF868
GE DigitalFlow DF868 Service Manual
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GE
Measurement & Contr
ol
Flow
910-176S Rev
. E1
August 2015
DigitalFlow™ DF868
Multipurpose Ultrasonic Liquid Flowmet
er
Ser
vice Manual
2
Table of Contents
Default Chapter
7
Table of Contents
7
Chapter 1. Calibration
9
Introduction
9
Menu Map
9
Calibrating the Analog Outputs
10
Accessing the Calibration Menu
11
Calibrating the Low End of the Output Range
11
Calibrating the High End of the Output Range
12
Testing the Analog Output Linearity
12
Calibrating the Analog Inputs
13
Accessing the Calibration Menu
14
Alow Option = [F1]
14
Ahigh Option = [F2]
14
Ma Option = [F3]
14
Ma Option = [F4]
15
Calibrating the RTD Inputs
16
Accessing the Calibration Menu
16
LOW Option = [F1]
16
HIGH Option = [F2]
16
Alarms Option Card
17
Accessing the Calibration Menu
17
Testing the Alarm Relays
18
Totalizer/Frequency Option Card
19
Accessing the Calibration Menu
19
Entering Frequency
19
Entering Pulse Number
20
Chapter 2. Error Codes and Screen Messages
23
Introduction
23
Error Codes
24
Screen Messages
27
Chapter 3. Diagnostics
29
Introduction
29
Displaying Diagnostic Parameters
29
Diagnostic Record
31
Flowcell Problems
32
Fluid Problems
32
Pipe Problems
33
Transducer Problems
33
Wetted Transducer Problems
33
Clamp-On Transducer Problems
34
Chapter 4. Parts Replacement
35
Introduction
35
Fuse Replacement
36
Removing the Printed Circuit Board
37
Replacing the EPROM
38
Installing an Option Card
38
Replacing the LCD Display
39
Installing the Printed Circuit Board
40
Spare Parts
41
Appendix A. Service Record
45
Introduction
45
Data Entry
45
Diagnostic Parameters
47
Appendix B. Optional Enclosures
49
Introduction
49
Rack Mount Enclosure
49
Rack Mount Fuse Replacement
50
Rack Mount Option Card Installation
51
Rack Mount EPROM Replacement
52
Rack Mount LCD Display Replacement
53
Rack Mount Printed Circuit Board Replacement
54
Circuit Board Removal
54
Circuit Board Installation
55
Other manuals for GE DigitalFlow DF868
Programming Manual
184 pages
Startup Guide
82 pages
4
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GE DigitalFlow DF868 Specifications
General
Brand
GE
Model
DigitalFlow DF868
Category
Measuring Instruments
Language
English
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