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