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A2031 alarm in ABB ACS310 drive

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Cause : OUTLET HIGH comes when pressure at pump/fan outlet too high. The "OUTLET HIGH" alarm on an ABB ACS310 drive typically indicates a problem with the input signal or a parameter related to the inlet, such as low input voltage, pressure, or flow rate, depending on the specific application the drive is being used for.

  1. Check piping for blocks.
  2. See parameter group 44 PUMP PROTECTION.
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