Installation Manual

Table Of Contents
Installation Instructions G5 Release A
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Adjust the sensitivity of vehicle detection by manipulating the top two dip switches.
Enable or disable a two second detection delay by manipulating the third switch
Choose presence or pulse detection by manipulating the fourth switch.
Vehicle Detector LED
Figure 20.
There are two small LEDs on the vehicle detector that can be in one of three states when powered and operating:
Steady greenindicates that power is applied and no vehicle is currently detected.
Flashing green, single flash every 1.5 secondsindicates an open loop fault (a wire is disconnected or sev-
ered).
Flashing green, double flash every 1.5 secondsindicates a shorted loop fault (the loop wires are making
unwanted contact at some point before they reach the loop detector).
Steady redindicates that power is applied and a vehicle is currently detected.
IMPORTANT NOTE
The vehicle detector fails closed; therefore if there is a fault, the system assumes that there is a vehicle present.