Replacing the Surge Arrester

Qualified person

If the inverter displays event number 7801, an error is present in the surge arresters or the surge arresters have tripped. If the surge arresters have tripped, replace the tripped surge arresters with new surge arresters.

Procedure:

  1. Disconnect the product from voltage sources .
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  2. Unlock the surge arresters by using a screwdriver to turn the latch to the open position.
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  3. Pull the surge arresters out of the slots.
  4. Dispose of the surge arresters in accordance with the locally applicable disposal regulations for electronic waste.
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  5. Insert new surge arresters.
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  6. Lock the surge arresters by using a screwdriver to turn the latch to the closed position.
  7. Ensure that each surge arrester is securely inserted into its slot.
  8. Put the product into operation again.
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