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