031914 M4-73
PL LED: Reports Power Load Supply Status.
(Outputs/Valves) (Illustration 144)
LED is Green: No Fault.
LED is Flashing Green: Check for:
1. Undervoltage.
2. Turn Power “Off” and then back “On.”
SF LED: Reports System Fault Status.
LED is “Off”: No Fault.
LED is Flashing Red: Check For:
1. Short Circuit/Overload.
2. Wire Break.
3. Module Failure.
4. Component Failure.
M LED: The “Modify” LED is only used by the
programmers when connecting a Laptop to the
Computer and forcing a function.
LED is “Off”: No Fault.
LED is Yellow: System Start.
LED is Flashing Yellow: Function has been
forced.
ILLUSTRATION 144
PL LED
PS LED
SF LED
BF LED
XS4 GATEWAY MODULE
M LED
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