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Error F21 in Cointra boiler

Published

4 years ago

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How to eliminate F21 error in boiler Cointra?

  • Error: F21
  • Description: Card parameter anomaly
  • Cause: 
  • Solution: Bad card parameter configured

More tips

If you fail to solve the boiler Cointra error, we recommend that you contact the technical or specialist service. If you have any questions about how to solve the problem, do not hesitate to contact us. Our team of experts will be happy to advise and help you carry out the repair of your Cointra boiler.

Other error codes in Cointra boiler

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