Unbalance

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This is a warning indicating an unbalance condition between power modules in paralleled drive units. Subcode S1 signifies current unbalance, while S2 indicates DC-Voltage unbalance, pointing to an uneven load or voltage distribution across the parallel modules.

• Input power phase voltages are significantly unequal (P0305).
• Motor winding resistance is unbalanced.
• Internal motor connection issue.

Klicken Sie auf Schritte, um Ihren Fortschritt zu verfolgen.

1. 1

   Check the current distribution across the individual power modules in the parallel configuration to identify any discrepancies.

2. 2

   Measure the DC-link voltage across each power module to ensure voltage balance.

3. 3

   If the warning re-occurs, further investigation of the power module health and interconnections is required.