3-WIRE FLUORESCENT POWER MODULE
DIAGNOSTICS AND TROUBLESHOOTING
Module Status LED (green)
LED Action
Off
1 blink/second ("heartbeat")
Output Status LED (red)
LED Action
Off
Continuously on
SWITCHING POWER MODULE
DIAGNOSTICS AND TROUBLESHOOTING
Module Status LED (green)
LED Action
Off
1 blink/second ("heartbeat")
Output Status LED (red)
LED Action
Off
Continuously on
R
Comments
Module not powered.
Caution: Control input may still be powered. Turn off all breakers
before removing unit.
Module powered; normal operation
Control Input
Load
Status
Status
Input signal off
Off
or disconnected
On
On
Comments
Module not powered.
Caution: Control input may still be powered. Turn off all breakers
before removing unit.
Module powered; normal operation
Control Input
Load
Status
Status
Input signal off
Off
or disconnected
On
On
Output Status LED (Red)
Module Status LED (Green)
Comments
Load off
Load on.
Note: Output may repeatedly
turn on and off if DH is overloaded or if
DH and SH are miswired.
Output Status LED (Red)
Module Status LED (Green)
Comments
Load off
Load on
GRAFIK Eye
Power Modules
11
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