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Error A42 in Cointra boiler

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How to eliminate the A42 error in boiler Cointra?

  • Error: A42
  • Description: Sensors control protection performance
  • Cause: 
  • Solution: – Fullying heating sensor – Disconnected or disconnected return sensor

More tips

If you fail to solve the boiler Cointra error, we recommend that you contact the technical or specialist service. In most cases, the error indicates a problem with the boiler temperature sensor, which can be easily fixed by a technician.

Other error codes in Cointra boiler

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