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Troubleshooting a No-Flow Input in Enbase

Learn what to check when an Enbase lube No-Flow input is not working as expected, including signal type, Tag configuration, and grounding.

The Enbase Compressor Control Panel can monitor lubrication flow using a No-Flow input. If the input is not behaving as expected, first confirm how the installed lubrication system reports flow.

How Lube No-Flow Monitoring Works

A compressor lube pump may use a divider block with a proximity switch that pulses as the lube pump completes each cycle. Enbase can measure the time between those pulses and generate a Lube No-Flow alarm when the time exceeds the configured threshold.

Other systems use a simple digital signal instead. In that type of installation, one state indicates normal lubrication and the other indicates a fault condition.

Troubleshooting Steps

  1. Confirm the type of signal coming from the divider block. Determine whether it is an always on digital signal or a pulsing proximity switch signal.
  2. Confirm that the corresponding Enbase Tag is configured to match the installed signal type.
  3. Confirm proper grounding according to the Enbase Compressor Control Panel grounding requirements.

Why the Signal Type Matters

A Tag configured for a pulsing cycle signal will not behave correctly if the installed device provides a steady digital state, and a Tag configured for a steady digital signal will not correctly interpret a pulsing divider block signal.

When to Contact Enbase Support

Contact Enbase Support if the signal type and grounding appear correct but the No-Flow input still does not behave as expected. Provide the asset name, the type of divider block or sensor being used, and what Enbase is displaying when the lubrication system is operating normally.