Using the led indicator – Rockwell Automation 2705 RediSTATION Operator Interface User Manual User Manual
Page 32
Publication 2705-UM001A-EN-P
4-2 Troubleshooting and Maintenance
Using the LED Indicator
The LED provides status information on RediSTATION operations.
The LED is visible when the enclosure cover is removed.
The troubleshooting chart shows LED indications. It also shows how
to use the LED to detect and correct common operating problems.
The LED does not indicate the following malfunctions.
LED
Color State
Meaning
What to do
None
RediSTATION not receiving input power.
Check DeviceNet power/cable connections and
check the power connection on the DeviceNet
terminal block. See page 1-7.
Red
Solid
Diagnostics failed on powerup/reset.
Internal fault. Reset device. If fault persists, return
RediSTATION for repair.
DIP switch settings changed after powerup. DIP
switch settings are read only during a powerup or a
reset.
Power off the RediSTATION. Set DIP switch settings.
Turn power on.
Over-temperature error detected during runtime.
Outputs turn off.
Check ambient temperature rating. Reset device.
Invalid data rate
Reset DIP switches 7 and 8 to a valid DeviceNet data
rate. See page 2-4 for valid data rates and cable
lengths. Reset device.
Duplicate DeviceNet node address. Two nodes
cannot have the same address.
Reset DIP switches 1 through 6 using a valid
address. See page 2-3 for a table of possible address
settings. Reset device.
Red
Flashing
Plot light lamp is burnt out.
Replace pilot lamp bulb.
Pilot light is not wired correctly to the I/O connector
or the screw terminals of the device.
Check I/O cable connections for the pilot light.
I/O connection timeout
Reset Device.
Green
Solid
Normal operating state and device is allocated to a
master device.
No action required.
Green
Flashing
Device is online but not allocated to a master.
Check DeviceNet master for correct RediSTATION
configuration information (node address, input bytes,
output bytes).
Device is in idle state.
Check DeviceNet master for proper operation.
Problem
Meaning
What to do
Switch or button operators do not
function
Loose wiring
Check wiring and cable connections.
Incorrect address
Check address setting of the DIP switch.
Faulty contacts, switch or button
Use an ohmmeter to verify opening/closing of
contacts.