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Häfele Dialock / Key Cutter integration troubleshooting

  • November 12, 2025
  • 1 reply
  • 29 views

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Hello!

We have recently started using the Integration to program keycards directly from MEWS. 
We are using version 1.1.36.0 of the Dialock KeyWriter.

Unfortunately, seemingly at random, some of the programmed keys are not working i.e. the command is sent to the encoder and one card works while another card does not even though both keys were programmed together by the same command coming from MEWS.
We are already in contact with Häfele support and have opened tickets with MEWS previously.
We are in the process of trying to figure out the pattern and analyzing the error codes the locks/keys are producing.
I know this is a shot in the dark and probably a pretty niche issue but it can’t hurt to ask and try using all possible avenues for finding a solution.
Does anyone have experience in the setup of the integration or has anyone here run into this issue and was able to resolve it? If so we would be immensly grateful for any support or suggestions.

Thank you very much

1 reply

MattJones
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  • Superstar Helper
  • December 16, 2025

In this article: Hafele Dialock for Mews Operations - do you have step 2, point 5 correct - allow duplicates = true?

Whilst it states for hostels and creating at different times, this can be the cause as the second key is a duplicate of the first so if this is not set to true, it may not allow the duplicate (second) key to be created? It sounds like its making 2 cards as NEW, not a NEW then a DUPLICATE, so the second card when used invalidates the first card on the lock - hence why its random as every time a guest uses a key it is a 50/50 chance it will be the first key or the second, and one will always block the other as they are both ‘use only me because i am new’ according to the lock