ADS Environmental Services IETG FlowHawk QR 775012 A4 - Manual (Page 344)

8-60 IETG FlowHawk Manual
Pressure Depth Subsystem
The following tables contain general troubleshooting techniques for
the pressure depth subsystem corresponding to the Peak Combo
Sensor, Surface Combo Sensor, and Ultrasonic Depth Sensor with
the pressure depth option.
Note: Contact your regional IETG representative for
further diagnosis before replacing a sensor.
Problem Pressure depth readings are erratic.
Possible
Causes
Pressure vent tube may be pinched or blocked with
water.
Pressure dryer tube may not be functioning properly.
Black cap may still be on the dryer tube.
Possible
Solutions
Inspect color of desiccant in dry tube and replace the
dryer tube if necessary.
Inspect the vent tube along its entire length to ensure
the cable is not pinched and that the cable ties securing
the vent tube are not too tight.
Verify that the black cap has been removed from the
dryer tube.
Problem Pressure depth readings display a good pattern, but are
consistently incorrect.
Possible
Cause
Sensor physical offset may be incorrect.
Possible
Solution
Verify the sensor offset and reactivate with the correct
settings if necessary.