How to eliminate the error L09 in boiler Dietrich?
- Error: L09
- Description: TSEG.RETORNO – Too high return temperature
- Cause:
- Solution: Bad connection of probe failure 4 Notify the professional to take care of the maintenance of the apparatus
More tips
If you cannot solve the problem with your Dietrich boiler, it is best to contact a specialized technical service. They can advise you on the best way to solve the problem and, if necessary, repair or replace the boiler.
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