Fieldbus H1 card LEDs

Table: Fieldbus H1 card LEDs
LED correct operating condition Fault indication Possible causes and corrective action
Power/Active-On:
  • Continuous green for the active card
  • Flashing green for the standby card
Off System power is not supplied to card due to a possible line power problem. Check the power connections.
Internal fault. Contact technical support

Simplex (flashing)

Redundant active and standby (flashing)

Incorrect terminal block for configured card type. Install a redundant terminal block for a redundant card and a simplex terminal block for a simplex card.
Error-Off Red (continuous) Controller is not scanning card. Check controller operation.
Card failed self-test. Contact technical support.
Red (flashing) Controller is not scanning card. Check controller operation.
Hardware error. Replace card with known good card of same type; contact technical support.
Port 1 and Port 2-On (yellow) Off No communications. Check connections, cable, and external devices.
Port not enabled. Enable port.
Configuration mismatch such as redundant card configured in database and simplex card installed. Fix configuration errors.
Yellow (flashing) Communication error on this port. Check connections, cable, and external devices.
No configuration for this port. Configure port.