same problem, but wont let me chance to 00, I get choice of 01 - 29... help not heating or water :(
problem flashing F 47
Dave
May 2014
F47 means Parameters neeed resetting, hold down reset for 10 seconds release, then hold down for 3 seconds and adjust with + or - to switch parameters from 01 to 00
Mike
November 2012
Automatic Answer
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