| LED color and pattern | Description and corrective action |
|---|---|
|
All LEDs off |
System power is not supplied to the CSLS. Check the power connections. |
|
Power and Error on solid with Active and Standby off |
The CSLS went through a reset or an error has occurred. Contact technical support. |
|
Power on with Error, Active, and Standby off |
The CSLS is powering up. No corrective action is required. |
|
Power on and Error flashing slowly with Active and Standby off |
The CSLS is unassigned. Assign the CSLS to a placeholder. |
|
Power on and all other LEDS flashing quickly |
The CSLS is identifying. No corrective action is required. |
|
Power on and Standby off with Error and Active flashing slowly |
The active CSLS is assigned but decommissioned. Commission the redundant CSLS. If the CSLS is not shown as assigned to a placeholder for its SZ controller under the Local Safety Network in DeltaV Explorer, manually unassign the CSLS. |
|
Power on and Active off with Error and Standby flashing slowly |
The standby CSLS is assigned but decommissioned. Commission the redundant CSLS. If the CSLS is not shown as assigned to a placeholder for its SZ controller under the Local Safety Network in DeltaV Explorer, manually unassign the CSLS. |
|
Power on with Active flashing slowly and Standby and Error off |
The redundant (active) CSLS is commissioned but not downloaded. Download the CSLS. |
|
Power on with Standby flashing slowly and Active and Error off |
The redundant (standby) CSLS is commissioned but not downloaded. Download the CSLS. The Active LED on the active CSLS should be flashing slowly. If this is not the case, there is an error with the standby CSLS going configured and technical support should be contacted. |
|
Power on with Active on and Error and Standby off |
The active CSLS is assigned, commissioned, and downloaded. |
|
Power on with Standby on and Error and Active off |
The standby CSLS is assigned, commissioned, and downloaded. |
|
Power on with Error off and Active and Standby flashing alternately. |
The CSLS is being upgraded. No corrective action is required. |
|
Power and Error on with Active and Standby flashing quickly |
Persistent fatal error. Contact technical support. |