NO NO SEPARATE GAUGE BUT ONLY HAVE JUST SLIGHTLY OPEN THE FILL TAP AND PRESSURE SUDDENLY JUMPS. WHERE NORMALLY YOU WOULD HEAR THE SYSTEM FILL AND COME UP GRADUALLY.
keep getting F0 fault on my jaguar boiler but pressure is ok if i try to charge the system it suddenly jumps to 3-4 bar have changed pressure switch but still have same problem has anyone got any idea's.
Have a micron glow worm boiler which stopped working fault finding chart does not match board fitted board fitted has 2 led's only. Start boiler fan starts then both grn LED's flash and fan stops and lights just continue to flash have fitted recon board at cost £60 and same problem help before...