Identifying merging unit application problems - Arc protection - Bay control and measurement - Merging unit - Operation Manual - SMU615 Substation Merging Unit - 1.0 - IEC - ANSI - 06.06.2023

• Check that the function is on.
• Check the blocking.
• Check the mode.
• Check the measurement value.
• Check the connection to trip and disturbance recorder functions.
• Check the channel settings.