beautypg.com

Using the led indicator – Rockwell Automation 2705 RediSTATION Operator Interface User Manual User Manual

Page 32

background image

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.