Disconnecting the product from voltage sources

Qualified person

Prior to performing any work on the product, always disconnect it from all voltage sources as described in this section. Always adhere to the prescribed sequence.

Procedure:

  1. Disconnect the external miniature circuit breaker and secure it against reconnection.
  2. Disconnect the charging cable from the vehicle and if necessary, from the charging station.
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  3. Open the product and remove the enclosure cover.
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  4. Loosen and remove the 2 nuts of the safety cover.
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  5. Use an appropriate measuring device to ensure that no voltage is present (de-energized state) at the residual-current devices between L1 and N, L2 and N, and L3 and N.
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  6. Use an appropriate measuring device to ensure that no voltage is present (de-energized state) at the terminal block and the residual-current devices in sequence between L1 and PE, L2 and PE, and L3 and PE.
    Verifying the Charge Data
    Cleaning the Product