We may have found other answers which could help you.
Success
Message
water goes cold during shower?
no domestic hot water?
burner going of after 2 or 3 minutes and on?
gas neoon flashing?
were do I get a diagram and information on airpressureswitch 105he?
no hot water and pressure valve is on red and water is leakiing outside?
Fan light flashing?
water sensor?
what does F14 mean and F5?
pressure switch?
max of 50 degrees hot water?
charging system up?