How to mend ... Fan Starts Burner

johnson and starley j25-32 mod airflow?

Burner starts, when warm up fan starts but only runs at a very low speed, boiler overheats shuts down. Is thi... [Read more]

ariston euro combi boiler problem?

The red light on the boiler stays on, if i press the reset button the boiler starts & fan pump burner lights &... [Read more]

Halstead no heating?

Been having problems with hot water, after reading tips on here i replaced the diaphragm. Now i've got hot wat... [Read more]

Micron 60ff boiler. Ignition failure?

On most days, usually in the morning and evening when the boiler is programmed to come on from cold, this happ... [Read more]

chaffoteaux calydra 80 keeps locking out?

hi.......i have a chaff boiler that keeps locking out on no flame detection,the boiler starts the ignition seq... [Read more]

Riello RDB2 oil burner wont ignite when hot?

I have a Riello RDB2 burner in my boiler. After fuel running out and subsequent re-fill the burner ceased func... [Read more]

Ravenheat CSI 85 A (T) Burner Cycling Constantly?

Hi all... I've got a Ravenheat CSI 85 A (T) combi and shows the following symptoms. It's fine with HW on... [Read more]

Ferroli Mondena 102?

No hot water or Central heating.The boiler starts up, the burner lights and the fan runs, then after about 5 s... [Read more]

no hot water or heating?

when you turn the water on the boiler tries to fire up, the fan starts but the gas burner does not ignite,trie... [Read more]

faulty ecoflame oil burner ?

ive got a ecoflam minor 1 burner that when switche don just starts the fan then throws the fuse.the lockout li... [Read more]

Sime Super 102 Main burner pulsing fault?

I have a SIME Super 102 combi boiler. When any DHW tap is opened the boiler starts up ok and pilot light comes... [Read more]

How do I fix my Potterton Netaheat MkIIF 16-22?

My boiler starts it's cycle on room stat demand. The internal fan runs, the pilot ignites, after 20 secs the m... [Read more]

Vokera 12_24 RSE Mynute Central Heating Boiler Burner keeps going out?

I have a Vokera 12-24 RSE Mynute Heating Boiler(Direct System)When the room thermostat calls for heat the pump... [Read more]

ravenheat CSI 85A combi boiler. flame blowing out soon after ignition?

boiler is 2 years old. it starts normaly (fan starts, ignition clicks, pilot comes on then main burner ignigh... [Read more]

why does my main burner keep constantly lighting and going out?

Hi I have a baxi solo wm 40/pf bolier which keeps constantly igniting then going out. The pilot is lit and the... [Read more]

PCB Glowworm micron 50FF (replacement fitted)?

I have just replaced the PCB on my Glowworm micron 50FF but the boiler does not light. The old PCB appeared to... [Read more]

Why does my main burner not start?

I have a Potterton Netaheat Electronic 10/16 gas boiler. When I switch it on the fan starts normally, then the... [Read more]

Johnson & Starley JB40-50 MAF 2 Warm Air Unit not operating correctly?

This unit has the Modairflow 2 control which runs the fan from very slow to full speed using infinitely-variab... [Read more]

hi i have a ravenheat boiler rsf 84et not firing up?

when i turn on the hot water or the central heating,the fan starts up and the pilot egnition fires and lights ... [Read more]

Potterton Netaheat 10/16 Mk1 main burner cycling on start-up?

Can anyone help with this problem? When the boiler starts, the fan starts (normal), then after a short dela... [Read more]