Alan asked ... Problem with JCB 3CX transmission?    |    Lou asked ... Mac Allister 35cm electric lawn mower?    |    Ronald Charlwood asked ... Beko fridge/freezer not cold enough?    |    John Broadbent asked ... Advise?    |    suzy asked ... Brother kh-940 not in sync with DAK9 in interactive knitting?    |    Click here to ask your question

Thermostat for boiler stuck at 5 tried to raise it too 22 by pressing the u?

Room temp is 21.5 but I tried to raise the thermostat from 5 too 22 but it won't move when I press the up button, any ideas
Elizabeth barr, September 2013