Checking out and troubleshooting your DeltaV SIS hardware

Logic Solver LEDs

Table: Logic Solver LEDs

LED

Pattern

State

All (Simplex, Active, Standby)

Off

No Power

Green - Power and Yellow Standby

alternating with

Red - Error and Yellow Active

On flashing

On flashing

Power-up tests in progress.

Simplex

Green - Power

Red -Error

Yellow-Active

On solid

On flashing

On flashing

Not commissioned

Redundant pair (Active)

Green - Power

Red - Error

Yellow - Active

On solid

On flashing

On flashing

Not commissioned

Redundant pair (Standby)

Green - Power

Red - Error

Yellow-Standby

On solid

On flashing

On flashing

Not commissioned

Simplex

Green - Power

Yellow - Active

On solid

On flashing

Commissioned, not configured

Redundant pair (Active)

Green - Power

Yellow - Active

On solid

On flashing

Commissioned, not configured

Redundant pair (Standby)

Green - Power

Yellow - Standby

On solid

On flashing

Commissioned, not configured or configuration in progress

Simplex

Green-Power and Yellow-Active

On solid

Configured

Redundant pair (Active)

Green-Power and Yellow-Active

On solid

Configured

Redundant pair (Standby)

Green-Power and Yellow-Standby

On solid

Configured

Green - Power(1)

Red - Error

Yellow - Active

Yellow - Standby

On solid

On solid

On flashing

On flashing

Card is not fully operational. Contact technical support.

Green - Power a

Red - Error

On solid

On solid

Error detected during power-up tests. Contact technical support.

(1) Same for Simplex, Active, or Standby