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Filtec FT-70c - Table of Contents

Filtec FT-70c
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FT-70 Fill Level Inspector Service Manual
8-2
Error Number 125 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Error Number 126 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-13
Troubleshooting Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14
Major Component Subsystems . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14
Before You Begin . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-14
What You Should Do Before In-Depth Troubleshooting. . . . . . . 8-15
Main Power System Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
Testing the Power Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-16
Testing the Power Transformer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-17
X-ray System Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18
Testing the X-ray Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-18
X-ray Generator Troubleshooting Flowchart . . . . . . . . . . . . . . . . . . . 8-19
Verify the Enable Signal at PX-1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20
Verify the Enable Signal at TB4-13 . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-20
How to Replace the X-ray Generator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-21
Main Processor Card Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-26
Replacing the Software PROMs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27
Serial Communications Card Troubleshooting . . . . . . . . . . . . . . . . . 8-27
Control Panel Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-27
The display does respond when keys are pressed . . . . . . . . . . . . 8-27
The display shows a blinking cursor and the beacon is on . . . . 8-28
There is no display and the beacon is off . . . . . . . . . . . . . . . . . . . 8-28
The display is garbled or operates erratically . . . . . . . . . . . . . . . . 8-28
Sensor System Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-29
Scintillation Tube Detector (STD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-29
Unable to calibrate the Scintillation Tube Detector . . . . . . . . . . . 8-29
X-ray counts decrease within a short period of time . . . . . . . . . . 8-29
Solid State Detector (SSD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-29
High or erratic x-ray counts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-29
X-ray counts reduce to zero . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-29
Optical Sensors: False triggers, reject timing malfunctions . . . . 8-30
Proximity Sensors: No triggering occurs . . . . . . . . . . . . . . . . . . . . 8-30
Encoder Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-30
Rejector Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31
Proline Rejector Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31
The rejector is operating erratically . . . . . . . . . . . . . . . . . . . . . . . . 8-31
The rejector remains extended . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-31
The rejector does not function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32
Servotec Rejector Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-32
The rejector is operating erratically . . . . . . . . . . . . . . . . . . . . . . . . 8-32
Containers are not rejected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-33
All containers are rejected . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-33
Containers are rejected erratically . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-34
Time Delay is incorrectly set . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-34
Rejector is not in the correct position . . . . . . . . . . . . . . . . . . . . . . 8-34
Rejector Pad fatigue or failure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-34
Facility air pressure drops or is erratic . . . . . . . . . . . . . . . . . . . . . 8-34
Rejector sticking or binding . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8-34
Industrial Dynamics Company, Ltd. © 40256-0600

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