DATASONICS SIS-1500, System Manual

Page: 98 / 110

5-16 DATASONICS
Volume I System Manual June 1998
Table 5-3 Predeployment Checks Problems
Symptom Possible Cause Corrective Action
During the Rub Test the
transmitted pulses cannot
be felt on one or both of the
transducer arrays. The digital multiplexer’s high
voltage power supply is not
turned on. Verify that the ON/OFF and
HIGH VOLTAGE indicators
on the front panel of the
digital multiplexer are on.
The Burst board in the sonar
electronics is not functioning. Click Diagnostics in the Sonar
Controls box, and then select
the Diag Mode check box.
Select Chirp Pattern (Sonar)
from the Diag Mode
drop-down list box, and then
click Accept. The sonar
displays should look similar to
those shown in Figure 3-18
on page 3-28. If they do not,
replace the Burst board.
The Microcontroller board is
not functioning. Verify that the red LED on the
Microcontroller board is
blinking. If it is not, replace
the board.
One or more of the
transducer array cables are
faulty. Refer to Cable Checks on
page 5-19 and check the
cable from the electronics
housing to the transducer
array.
The Transmitter board in the
sonar electronics is not
functioning. Check the Transmitter board.
Replace the board if it has
failed.
The transducer array is not
functioning. Refer to Transducer Checks
on page 5-19 and check the
transducer array.