check system pressure (water) should be 0.7 to1 bar
if that ok faulty pressure sensor
tony
May 2012
HI manwithnoname checked sensor ok found out off owner that she had power cut which put boiler into safety mode phoned tech support who gave me code to reset parameters all ok thanks for input
sid
May 2012
Ferroli optimax plus 31
47_267_??
F47
water pressure sensor fault
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