How to mend ... Pcb Replaced Boiler Central Heating

Vaillant vcw-sine, no hot water or central heating when ntc wire connected?

I can only get c. heating, no hot water when the ntc sensor wire is disconnected. I have replaced the water di... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]

Halstead Finest Combi Boiler Locking Out?

When a hot tap is turned on and the central heating is not on or on demand, the hot water flows whenever a dem... [Read more]

Ravenheat combi boiler continually firing then shutting down?

My 3 year old Ravenheat CSI 85A combi boiler developed the following fault: Firstly, the domestic hot water w... [Read more]

i have no central heating on my greenstar worcester 28i junior combi boiler?

i have no central heating on my boiler??? water works fine but no central heating???? fan & pcb have been rep... [Read more]

Halstead Ace Circa 2001 - Not Heating?

Problem – Intermittent fault or faults causing the boiler to cease heating water and or Central Heating. Oc... [Read more]

no hot water baxi combi 105e?

Hi. I'm looking for some help with a baxi 105e combi boiler. Central heating works fine but hot water only jus... [Read more]

Worcester 19/24CBI Problems (Over Heating, Fail to ingite)?

Hoping that someone can shed a little light on my problem or that this may help someone in a similar position.... [Read more]

Has the Fan Assembly truly failed?

Hello all I have a Glow Worm Ultimate 120FF boiler that serves the central heating in my home. The system ... [Read more]

actuator/stepper motor is not moving?

I have a heatline c24 condensing boiler diverter valve actuator/stepper motor is not moving. The central heat... [Read more]

Glowworm micron 40FF Thermistor Rod?

A month ago I was having to reset the boiler frequently because the Reset light would come on. Eventually it s... [Read more]

Heatline C24 not firing up!?

Can anyone help please... I have a Heatline C24 boiler which is now just over 3years old. It has started pl... [Read more]

Healine C24 not firing-up?

Hi, Can anyone help please... I have a Healine C24 boiler which is now just over 3years old. It has sta... [Read more]

Central heating boiler ignition lockout?

I have an ongoing problem with my boiler, a Worcester Bosch 28Cdi. From time to time the central heating ligh... [Read more]

potterton combi 80 boiler no heating?

i have a potterton combi 80 boiler i have hot water ( no taps dripping ) but no central-heating but the pump s... [Read more]

Baxi Bahama 100 - Hot water problem?

Hi there to anyone who can possibly help me with the above problem. The boiler works fine for central heati... [Read more]

saunier duval thelia 23?

new house - dead boiler. I have replaced the diverter valve & piece which it mounts to, now the micro switches... [Read more]

Vokera Linear 24 timer fault?

The boiler works fine in both hot water and central heating modes until the timer is set. When the time is rea... [Read more]

Can anyone diagnose the problem with my Ferroli Optima 901?

I have a Ferroli Optima 901. When the hot water is run for a period of 3-4 minutes the boiler cuts out and the... [Read more]

baxi 105e still problems after new PCB installed?

replaced PCB. boiler will now try to fire up when central heating is selected with constant selected on the ti... [Read more]