Input Power Supply Open Phase (α i PS, α i PSR)

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This alarm indicates an abnormal input power supply condition, specifically an open phase, for the α i PS or α i PSR unit. An open phase can lead to motor damage or operational instability.

• Open phase condition in the input power supply.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check the power supply voltage for an open phase condition.

2. 2

   If there is no problem with the power supply voltage, check the input power supply connections.