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KNX Actuators / Logic Module User Manual

Validation and troubleshooting

Validate logic functions in ETS Group Monitor and troubleshoot missing or unexpected output.

elausys · 19 September 2026
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Validate with ETS Group Monitor

Send test values to each enabled input and check the resulting output telegrams against the configured function. Include true and false conditions, configured delays and the selected send behaviour. For sequences, check all enabled steps and cyclic execution when selected. For Math, compare the received result with the selected operation and input values.

SymptomChecks
No output telegramCheck Channel use, enabled inputs or sequence steps, group addresses, Block state and output delay.
Output value is unexpectedCheck input and output datatypes, inversion, comparison values and the selected operation.
Repeated output telegramsCheck the send condition or cyclic sequence execution setting.
Weekly calendar action is missingCheck the configured weekday and time and the host device date and time configuration.

For hardware, firmware or KNX connection issues, follow the host device manual. Product information and support: elausys.com.

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Frequently Asked Questions

What should be checked if output telegrams repeat?

Check whether the send condition sends at every input change or whether cyclic sequence execution is enabled.

How should unexpected output values be investigated?

Check the input and output datatypes, inversion, comparison values and selected operation, then test with known input values.

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Find the other guides for this product in the documentation.

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