| 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 - Ch.1 - Ch. 8
|
On
|
Off
|
1. Input is out of range. (See specifications
in Appendix C for correct range.)
|
1. Check input source and connections.
|
| 2. Internal fault.
|
2. Contact technical support.
|
| Flashing
|
1. Input is out of range. See specifications in
Appendix C for correct range.)
|
1. Check input source and connections.
|
| 2. Channel is configured for HART, but there is
no HART communication.
|
2. Check HART input source and connections.
|
| 3. Channel is configured for NAMUR limits and
they have been exceeded.
|
3. Check input levels compared to NAMUR limits.
|