Miller Axcess 450 Owner's Manual - Page 34

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Miller Axcess 450 Owner's Manual

8-4. Network And Module Status LED's

Network Status LED's
A.
The following is a network status LED:
LED4 on the PCM circuit board.
Status
Off
The circuit board is not on-line with the network or there is no power applied to the circuit board.
Green
The circuit board is operating normally and the on-line connection is made with the network.
Flashing Green
The circuit board is waiting for an on-line connection to be made with the network.
Red
The circuit board has encountered a communication link failure with the network. Check DeviceNet cable connections. Verify
dip switch positions according to Sections 1-2 and 1-3. Replace circuit board if necessary.
Module Status LED's
B.
The following is a module status LED:
LED3 on the PCM circuit board.
Status
Off
There is no power applied to the circuit board or the board software is not executing its functions.
Green
The circuit board is operating normally.
Flashing Red
The circuit board has encountered a recoverable fault. Wait or cycle power to clear fault.
Red
The circuit board has encountered an unrecoverable fault.
OM-211 434 Page 30
Diagnosis
Diagnosis