PAGE 89 OF 126
NIGHT SCAN VERTICAL, VERTICAL COMPLETE, AND VERTICAL HDT
OPERATING INSTRUCTIONS
TP-4836201-H
MAY 2021
The D-TEC® Sensor is not serviceable, so most issues will end with returning the sensor to The
Will-Burt Company for repair. The following table shows D-TEC® error code meanings:
Table 8-3 D-TEC® Sensor Error Codes
Message
Meaning
Root Issue
Potential Cause
5,01
Lamp Fault
The D-TEC®
has sensed a
fault in the LED
lamp circuit.
This check is made when the mast thinks
it has just arrived at 90º. The D-TEC®
Sensor measures the current through the
look-up LED's to see if it is within a
certain range. If it is not, the fault occurs.
5,03
SPI Fault
A
communications
bus internal to
the D-TEC®
Sensor has
failed during
self-test.
Defective Sensor.
5,07
Unrecoverable
Communication
Error
No successful
communication
for 250ms.
Check connection (data lines, ground) for
continuity.
This error may also be displayed on
systems without a D-TEC® if the Base
Board is missing the 4710801 DIP Switch
Shunt Board.
5,09
E-Field Fault
E-Field portion
of the D-TEC®
Sensor failed its
self-test.
Defective Sensor.
5,10
H-Field 1 Fault
One axis of the
Magnetic Field
portion of the D-
TEC® failed its
self-test.
Defective Sensor.
5,11
H-Field 2 Fault
One axis of the
Magnetic Field
portion of the D-
TEC® failed its
self-test.
Defective Sensor.
5,12
H-Field 3 Fault
One axis of the
Magnetic Field
portion of the D-
TEC® failed its
self-test.
Defective Sensor.
Summary of Contents for Night Scan Vertical 4.3-15
Page 2: ......
