The master does not receive any telegram from the module


Verify that:

  • The CMeX20W has been powered up and has contact with the ABB electricity meter. The LED should light green or yellow.

  • The master is powered up and correctly configured.

  • The master is in range of the radio signal.

  • The master's antenna is optimally placed.

  • The product is not mounted in a metal cabinet or disturbed by other radio equipment.

No wireless messages are sent - red LED is on


Verify that:

  • The ABB meter is powered up.

  • The distance between CMeX20W and the electricity meter is not too large.

  • The ABB meter is configured correctly and is of the correct type.

    CMeX20W works on max 9600 baud.

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