IAI America REXT - Manual (Page 386)

Part 3 Maintenance
Chapter 1 T
roubleshooting
354
Part 3 Maintenance
(2) DeviceNet
LED name
Displayed
color
Condition Action
Unlit Offline/no power Communication with the master is not yet
established. Check the DeviceNet
communication power supply (+24 V),
power supply of the gateway unit,
communication cable, etc.
Green The unit is online and connection has been
established (normal).
-
Blinking
green
(1 Hz)
The unit is online but connection has not
been established yet.
The occupancy information or station
number of the master is inconsistent with
the corresponding information of the
gateway unit. Review these settings.
Orange Fatal error Replace the gateway unit.
Blinking
orange
(1 Hz)
Connection timeout The master cannot be recognized.
Check the condition of the master and
communication cable.
STATUS-1
Alternating
red/green
Self-diagnosis is being performed.
-
Unlit No power Check the power supply of the gateway
unit.
Green Normal operation (normal) -
Blinking
green (1 Hz)
Configuration information is not available or
incomplete.
Check the configuration settings again.
Orange Irrecoverable failure Replace the gateway unit.
Blinking
orange (1 Hz)
Recoverable failure Reconnect the power.
STATUS-0
Alternating
orange/green
Self-diagnosis is being performed.
-
(3) Profibus
LED name
Displayed
color
Condition Action
Unlit Offline/no power Communication with the master is not yet
established. Check the station number
setting, power supply, communication
cable, etc.
Green Online (data exchanged) (normal) -
Blinking
green
Online (data cleared) A clear command is being received from
the master following a network error. Reset
the master.
Orange Parameter error Check the network parameters again.
STATUS-1
Blinking
orange
Configuration error The occupancy information of the master is
different from that of the gateway unit. The
coverage of the gateway unit may be
smaller. Check the settings again.
Unlit No power, or initialization not yet
performed
Check the power supply.
Green Initialization has completed (normal). -
Blinking
green
Initialization has completed (diagnosis
event triggered).
Reconnect the power.
STATUS-0
Orange Exceptional error Replace the gateway unit.
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