Charging Switch Open

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The charging switch is detected as open despite a START command being issued to the drive. This indicates either a malfunction in the charging switch control mechanism or a failure of the component itself.

• Charging contactor failing to close when commanded.
• Loss of control signal to the charging relay.
• Mechanical obstruction preventing contactor closure.
• Overload on the charging circuit.

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1. 1

   Reset the fault using the Reset button on the control keypad or via the I/O terminal.

2. 2

   Attempt to restart the drive. If the fault re-occurs, further investigation into internal component failure or control logic is warranted.