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Each network component has a single status light.
The light is a bicolor, Green/Red, LED. The purpose
of the status light is to allow the operator to quickly
identify that the system is working properly or, if not,
which component is causing the problem. By using
the status lights the operator can quickly pinpoint the
system problem to a particular component. See the
following table for a complete listing and description of
all status light conditions.
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$%*The green light %$4A7FG847L indicates a normal functioning system.
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Off
Green LED blink-
ing at a “normal”
rate
Red LED blinking
at a “normal” rate
Red/Green LED
blinking at a “nor-
mal” rate
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Power Source is not turned ON or is not
func-
tioning correctly.
It should only blink for a few seconds while
the system is mapping (identifying compo-
nents). If blinking continues every group may
have a mapping error. (DIP switches may be
set incorrectly).
Indicates a recoverable communication fault.
The power source should automatically
recover: If it cannot recover the LED will be
solid red.
Indicates a recoverable hardware fault such
as over temperature, overload shutdown etc.
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The system component is not receiving input
power or
is faulty.
It should only blink for a few seconds until
the system component (node) has been rec-
ognized. If the blinking continues at least
one node in the group has a mapping error
(DIP switches may be set incorrectly). The
node or nodes with mapping errors will be
blinking red.
• There may be too many components in the
group. All components in the group will be
blinking green.
• The power source bus may not be avail-
able. The bus may be being used to program
another component.
• The LED’s of the power source and the
component being programmed will be solid
green.
Indicates a recoverable communication fault
most likely caused by one of the following.
• More than one control box (UI) in the
group. All control boxes in the group will be
blinking red.
• No control box (UI) in the group. All nodes
in the group will be blinking red.
• More than one node, of the same equip-
ment type, has the same group and feed
head (FH) numbers. All these nodes will be
blinking red.
• The feed head DIP switches may be set to
zero. The nodes with DIP switches set to
zero will be blinking red.
•The node bus may be off.
Indicates a recoverable hardware fault such
as over temperature, overload shutdown etc.
Could also be an open shutdown circuit at
the feed head (leads 570, 572 with tab termi-
nals) typically used for water flow shutdown
switches.