
FloTech FT555PA/PW Automatic Truck Overfill System Tester
Page 24 10902PA Rev C FT555PA/PW Truck Tester
Thermistor/2-wire Test
The API Thermistor signal from the trailer mounted sensors or
onboard monitor will be tested and report a Pass/ Fail.
OPERATION NOTE:
This tester is not compatible with the old style analog “green or
silver tipped sensors. These devices require the FT510 tester.
Step 1)
Connect API Extension Test Cable
Step 2)
Move the J-Slot thumb screws to the correct holes to match
the type of socket to be connected. Follow the “O” and “T”
markings on the plug body. Refer to Figure 2, on page 6.
Step 3)
Connect the FT555PA/PW Automatic Truck Tester to the
trailer socket.
Step 4)
Press and release the ON/OFF button to turn on the
FT555PA/PW Automatic Truck Tester. When “Press Key” screen
appears press and release TEST SELECT button three times so the
Thermistor/2-Wire Test screen appears.
Step 5)
Press and release the “GO” button to start the test. When
the test is complete the screen will display the PASS / FAIL status
and a wet/dry status for each of the compartments enabled during
the setup. A square under the number indicates a dry sensor or a
dash under the number indicates a wet or missing sensor. If
connected to an Onboard Monitor dashed lines will show and no
black bars.
Step 6)
Press and release the TEST SELECT button to move on to
a new test. Press and release the GO to restart the test, or press and
release the ON/OFF button to turn the tester off