Recent content by ricardo111

Hi MichaelFISH - regarding your f.24 plus other faults. Here in UK we don`t have a `thermobloc turbotec II` but I have been told by my old employer (Vaillant) it is the same boiler as a Turbomax Plus here in UK. You can unscrew the NTC`s to check for moisture, they are screwed into a dry...

I HAVE EXPERIENC OF THIS BOILER, THE ONLY DOWNER WE EVER HAD WITH THEM WAS THE STUFFING GLAND ON THE HOT WATER DIAPHRAGM TENDS TO DRIBBLE AFTER A YEAR OR SO, CREATING A SMALL LEAK ON THE LEFT HANDS SIDE. EASILY SORTED THOUGH AS YOU GET A SERVICE KIT FOR ABOUT TEN QUID AND JUST CHANGE THE BUGGER...

BEFORE CHECKING THE EXPANSION VESSEL, CHECK THE FILLING LOOP TO SEE IF IT IS PARTIALLY IN `ON` POSITION. SOME ARE BUILT-IN TO THE BOILER UNDERNEATH ON LEFT HAND SIDE WITH A BIG WHITE PLASTIC REMOVABLE KEY THING, OR YOUR EXTERNAL FILLING LOOP-CHROME FLEXIBLE MAY BE LETTING BY. DISCONNECT IT, AND...

THE CODE S.33 (NOT F.33) IS A STATUS CODE, WHICH YOU ACCESS BY PRESSING THE i BUTTON. THIS TELLS YOU WHERE THE BOILER IS IN ITS SEQUENCE OF OPERATION. S.33 MEANS IT IS TRYING TO PROVE THE FLUE INTEGRITY (COURTESY OF THE AIR PRESSURE SWITCH) BUT DUE TO IT BEING A SQUARE BLACK ONE, IT IS PRONE TO...

IF YOU MOVE THE BLACK PLASTIC CAM WITH YOUR FINGER AND IT FIRES FOR CH, THEN THE HYDRAULIC TUBES, BANJO,DIVERTER VALVE AND SERVO ARE ALL O.K IF YOU HAVE TO MOVE THE CAM WITH YOUR FINGER TO RELEASE IT FROM THE RED TAG (MICROSWITCH) TO MAKE THE CH WORK, BUT THERE ARE NO TAPS RUNNING THEN TRY...

THE F.24 FAULT CODE IS GENERATED WHEN THE RISE IN TEPERATURE BETWEEN THE TWO `NTC` SENSORS IS TOO FAST A GRADIENT (USUALLY). THE PCB TRANSLATES THIS INFORMATION AS `NO WATER IN BOILER`, AND LOCKS IT OUT WITH F.24, CAUSING YOU TO PRESS RESET. IT MAY THEN WORK FOR SOME TIME. UNSCREW THE NTC`S AND...