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How to adjust the power level on Vaillant Ecotec – Pre 2012 Models

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How to adjust the power level on Vaillant Ecotec – Pre 2012 Models






How to adjust the power level on Vaillant Ecotec


Older ecotecs with 4 circular buttons and 2 temperature dials











    

  1. Press ‘i’ and ‘+’ button
    2. 

  2. Press ‘i’ key when D0 is shown ( if not shown scroll to D0 using ”+’ and ‘-‘ )
    3. 

  3.  Using ‘+’ and ‘-‘ adjust the power level
    4. 

  4. Press and hold the ‘i’ approx 5 seconds until display no longer flashes (this saves to memory)
    5. 

  5. Press ‘i’ and ‘+’ button to exit diagnostic mode, alternatively do not press any key for approx 4 minutes
    6. 

















Finish

























	


				
			


			
		











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