| Green – Power
|
On
|
Off
|
1. System power is not supplied to unit.
Possible line power problem.
|
1. Check supply power and connections.
|
| 2. Internal fault.
|
2. Contact technical support.
|
| Red – Error
|
Off
|
On (continuous)
|
1. Controller is not scanning card.
|
1. Check controller operation.
|
| 2. Unit failed self-test.
|
2. Contact technical support.
|
| Flashing
|
1. Controller is not scanning card.
|
1. Check controller operation.
|
| 2. Address conflict.
|
2. Replace card with known good card of same
type; contact technical support.
|
| Yellow – Port 1 and Port 2
|
On
|
Off
|
No communications.
|
Check connections, cable, and external device.
|
| Flashing
|
Communications error on this port.
|
Check connections, cable, and external device.
|