3-119
Chapter 3 Troubleshooting
3. 3. 3 Generic FIP
3. 3. 3. 1 Reflective Sensor Failure FIP
2001
Enter DC330[XXXX-XXX]. Block the Sensor with a blank
sheet of paper. Is [LOW] displayed?
Y
N
Is +5 VDC measured between the sensor Pin 2 (+) and
GND (-)?
Y
N
Check the wire between the sensor Pin 2 and the
PWB Pin 8 for an open circuit and poor contact.
If no problems are found, replace the PWB.
Is +5 VDC measured between the sensor Pin 1 (+) and Pin 3?
Y
N
Is +5 VDC measured between the PWB Pin 4 (+) and
Pin 5?
Y
N
Replace the PWB.
Check the wire between the PWB Pin 4 and the
sensor Pin 1 and between the PWB Pin 5 and the
sensor Pin 3 for an open circuit and poor contact.
Check the sensor for contamination and improper installation.
If no problems are found, replace the sensor.
Remove the blank sheet of paper from the Sensor. Is the display
[HIGH]?
Y
N
Remove the sensor connector.
Has the display changed to [HIGH]?
Y
N
Check a short circuit between the sensor Pin 2 and the
PWB Pin 8.
If no problems are found, replace the PWB.
Check installation of the Sensor and the incident
diffraction. If no problems are found, replace the sensor.
Check installation of the Sensor. If no problems are found,
replace the sensor.
3. 3. 3. 2 Permeable Sensor Failure FIP
2002
Enter DC330 [XXX-XXX]. Block the Sensor.
Is the display [HIGH]?
Y
N
Remove the sensor connector.
Has the display changed to [HIGH]?
Y
N
Check a short circuit between the sensor Pin 2 and the
PWB Pin 8. If no problems are found, replace the
PWB.
Replace the sensor.
Remove the obstruction of the sensor.
Has the display changed to [LOW]?
Y
N
Is +5 VDC measured between the sensor Pin 2 (+) and
GND (-)?
Y
N
Check the wire between the sensor Pin 2 and the
PWB Pin 8 for an open circuit and poor contact.
If no problems are found, replace the PWB.
Is +5 VDC measured between the sensor Pin 1 (+) and Pin
3 (-)?
Y
N
Check the wire between the PWB Pin 4 and the
sensor Pin 1 and between the PWB Pin 5 and the
sensor Pin 3 for an open circuit and poor contact.
If no problems are found, replace the PWB.
Check the sensor for contamination.
If no problems are found, replace the sensor.
Check the sensor for improper installation, damage and the
actuator for function failure.
If no problems are found, replace the sensor.
Summary of Contents for DP-C321
Page 4: ...This page is intentionally left blank ...
Page 5: ...Chapter 1 General ...
Page 22: ...1 16 Chapter 1 General 1 3 Type of Paper ...
Page 23: ...1 17 Chapter 1 General ...
Page 24: ...Chapter 2 Maintenance ...
Page 63: ...Chapter 3 Troubleshooting ...
Page 118: ...3 44 Chapter 3 Troubleshooting I F PWB PL9 1 MCU PWB PL13 1 ...
Page 445: ...Chapter 4 Parts List ...
Page 548: ......