Magnetek LaserGuard2 LG2-H-4, Instruction Manual

Page: 23 / 33

LaserGuard2 Instruction Manual
April 2015
Page 23 of 31
Table 1: Laser Diagnostic LED Functions
NOTE: See Figure 13 for LED locations.
LED COLOR FUNCTION
Laser Head
Operating
Display Green Monitors voltage to the Laser Head
Normally ON.
Laser Head
Signal Yellow Monitors target acquisition.
Normally ON when target is acquired. It turns off when the laser is off the target, out
of range, or has a dirty lens.
Control Unit
DS2, DS3,
and DS4 Purple,
Yellow,
Orange Monitors closure of the Warning, Slowdown, and Stop range point relays.
Normally ON when unit turned ON and at a distance beyond the range points.
The LEDs indicate power to the relay. The relays are normally energized. As the unit
moves closer to the target the range points sequentially drop out, thus turning off the
LEDs in sequence.
Control Unit
DS6 Red Monitors engagement of the Fault Relay.
Normally ON when receiver turned ON.
The LED will extinguish when a fault of some type has been detected, thus tripping
the relay. Check LEDs on laser head and DS5 for possible fault conditions.
Control Unit
DS1 Green Monitors unregulated 5 VDC.
Normally ON.
Check wiring to board and AC power to unit.
Control Unit
DS5 Red/Green Displays fault code.
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