just removed the wiring connection on the water pressure sensor and on the pcb and it still reads 4.5 bar . might it be elecrical , pcb possibly ,
Thanks steve
was isolated all last night .Sry filling loop ok .Also just removed the wiring connection 4.pm 22/7/10 on the water pressure sensor and on the pcb and it still reads 4.5 bar . might it be elecrical ,
Thanks steve
hi again ,
rechecked EXV 0.5 bar heatin system completly drained , boiler drained still showing 4.5 bar in digital window , replaced the water pressure sensor , every thing seems ok with the PRV. Pressure rising regardless (well it was ) . Driving me :x...
. The pressure went up 4.5bar over night (gone up and down from 1.2bar to 3.0 bar )with no heating onfor a couple of weeks then it has gone to norm 1.2 bar.tuesday went to 4.5 bar , replaced pressure sensor and still showing 4.5 bar exv seems ok 0.5 ,wiggled braided pipe incase blocked , al to...
hi ,
recently had 4.5 bar in the digital display (hence boiler shut down) , fault f9= water pressure fault , replaced sensor and still showing 4.5 bar andf9 fault , need help no shower for 3 days.Gloworm say might be pcb but i no idea .
Thanks steve
Hi
we had a gw35ci combi boiler fitted about 5 yrs ago, now it has shut itself down because of high pressure ie:- 4.5 bar .
i have read the forum for ideas but no joy,the expansion vessel seems ok with no water coming out when checked on valve. i removed and made sure no deposits were in...