Drive Monitor Frequently Asked Questions What should I do if I encounter false alarms (with no vehicle passing the sensor)?
This can occur suddenly, late at night or after a rainstorm. It is most often a result of moisture making contact with exposed wires through an accidental nick in the cable jacket. The control panel may also have a problem.First—remove the 3 sensor leads, (red, black and silver shield wire). Wait approximately 1 minute, if no more alarms occur after 1 minute, usually it is a problem with the sensor cable. An ohmmeter test should be run in this case. Typically this results from a cut/break in the cable outer jacket and insulation of one or both inner conductors. Next, run a test of the control panel itself (see below).To run an Ohmmeter test, first disconnect the cable from the control panel terminals. Ohmmeter tests of the cable’s red and black leads should show 800 ohms plus or minus 50 ohms. Then connect the ohmmeter to the red lead and the silver shield lead-this should read open circuit (very high resistance). Use the highest ohm range the meter has. Note-some meters have a high re
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