Table 59 I/O Led Descriptions - Honeywell Series 8 I/O User Manual

If . . .
Power LED Off
Green
Status LED
Off
Green
Green - flashing
(toggle once per second)
Amber
R500
April 2017

Table 59 I/O LED descriptions

Is . . .
IOM is not receiving power.
ACTION: Check that module is properly
installed or that the IOTA fuse for the module is
not blown.
IOM is powered.
There is an IOM fault or the LED is bad.
The module is in a hard failure state. In this
state the module cannot be used to gather
information from or send information to
attached field devices.
ACTION: A user must either cycle power to
the module or replace the module to correct
the failure.
IOM operation is Okay.
Primary Run/Idle
The module is operating 100% correctly, and
the module if commanded; either gathers
inputs from the attached field devices or sends
outputs to the attached field devices.
Note: When used in a redundant I/O system, a
module with a green LED is often referred to as
the primary I/O module.
Primary Run/Idle with Soft Failure
The module is operating, but it is operating in a
diminished state as one or more soft failures
have been identified.
The module is either not configured or
operating as a secondary.
Not Configured - The module has not been
configured.
Secondary - The module is operating 100%
correctly as the secondary module. This does
not imply that it is synchronized with the
primary IOM.
Series 8 I/O User's Guide
Honeywell
7. Series 8 I/O Operations
7.3. Series 8 I/O LED Descriptions
Then, it means that
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