FRC TankVision WLA200, User Manual, Page: 23 / 32

WLA200 Rev140407
23
This high voltage warning can be enabled or disabled by swipping the CAL. sensor
six times. (Factory default setting: disabled.)
When ENABLED Top 2 and Bottom 2 LEDs Blink
When DISABLED Top 6 LEDs Blink
To change the setting swipe the CAL. sensor six times again.
To leave the setting as it is, let the processor time out and go back to normal display.
The display cycles between normal and the following
WARNINGS
when a warning
condition exist.
Voltage from the
Pressure Sensor is
more than 0.5V above
calibrated full tank
voltage.
Top 2 and Bottom 2
LEDs Blink ON and
OFF
Top and Bottom LEDs
Blink ON and OFF
The difference in voltage
from the Pressure Sensor
between tank empty and
tank full is to small.
(non-linear 3-swipes volt
change less than 0.16V)
(linear 4-swipes volt
change less than 0.66V)
Illegal calibration procedure
Sensor cable not connected
Broken wire / bad connector on
sensor cable
Tank height less then 6”
Defective sensor
Problem
Probable Cause Display
Apparatus at incline (parked
on a hill)
Not calibrated correctly
Shorted wire / bad connector
on sensor cable
Figure 7. Diagnostics - Warnings