Triconex Trident, Planning And Installation Manual

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Analog Output Module Indicators 181
Chapter 5 Fault and Alarm Indicators
AO Status Indicators
The AO status indicators identify the processing state for the AO Modules. A fault
light indicates that the module has an internal fault or is missing field power.
Normal State
Pass Fault Active Lock Description Action
Green
steady No
light Green
steady No
light Module is operating normally. No action is required.
Fault States
Pass Fault Active Lock Description Action
Green
steady No
light No
light No
light Possible conditions include:
Application has not been loaded
into the MP.
If the module is the hot spare,
no action is required.
Application has been loaded
into the MP, but has not been
started up.
Module has just been installed
and is currently running start-up
diagnostics. The other module
is active.
If the module is active, replace
module.
No
light Red
steady —
1
No
light Possible conditions include:
Module may be in the process
of power-up self-test.
If the Pass indicator does not
go on within five minutes,
replace the module.
Field power is missing, if field
power light is also on. Restore field power and reseat
the module.
Module has detected a fault. Module is operational, but
should be replaced.
Module has detected marginal
input voltage in a steady-state
condition. Check sensor signal strength.
Check sensor positioning.
— — — Red
steady Module is unlocked from the
baseplate. Lock module using a #2 flat-
blade screwdriver.
Green
steady Red
steady — — Indicators/signal circuitry on
the module are malfunctioning. Replace the module.
1. This symbol ( — ) means the indicator is not important for this condition.