Generally it's a bad contact or soldered joint on one of the 5 pin relays on the control board. Remove and inspect it, re-soldering as necessary....
Noise is most likely to be tight pipes across joists or under floorboards. Lift boards, relieve tightness, wrap in felt lagging across joists....
Because either the pilot flame isn't impinging on the sensing electrode, or the PCB has a fault. Having the cover off will possibly distort the...
Often the air locks are in the radiator return pipework. Suggest you remove the new towel warmer, attatch short hose to each pipe tail in turn,...
When you've found the fused connection unit (spur) and before you change the 3A fuse, turn the boiler off at the switch on the front panel. This...
Ah, the kitchen friendly (but not gas fitter friendly) boiler... If it's still sparking after the pilot is lit then the pcb is not "seeing" the...
Greetings all, haven't been here for a long time :wink: A customer had a problem with DHW going hot-cold-hot, etc. Also complained of F23...
OP, I've just had a look on Ebay and there's a seller hawking a "brand new" Isar m30100 combi - they haven't been made for over 5 years. Caveat...
At the risk of also being called arrogant I shall ask you, is it a Suprima HE? These discharge water into the flue, which condenses and runs back...
If the call is there for CH, 'C' comes up on the display, the boiler fires but the rads dont get hot do the following 1. Check the pump is...
If you've got a thermocouple and a proper temperature gauge why not take a profile of the temperatures from top to bottom, then you'll be in a...
If you want a high grade cylinder try Megaflow or Santon Premier plus. I believe a solar option is available for the Megaflow. I see from the...
Sounds like you want to run two radiators (emitters) in series. Because the system is now pumped this will work, with the second emitter (towel...
Your symptoms suggest valve(s) installed the wrong way around, though why it should start making noises now rather than from the start has still...
Sounds like you're describing the White-Rogers valve, if you really want to confirm it has failed turn off the gas, take the black connector block...
Nope, neither the original m3080 nor the later HE24 (and derivatives) had or have any sort of pump overrun. In my opinion this was an oversight,...
I think that's part of the problem too, CORGI won't take up the case and give this bozo a rocket up the jacksie, it's left to the customer to...
The last few weeks have opened my eyes to the ineptitude and lack of enthusiasm for catching the cowboys at CORGI and the HSE; to elaborate......
Separate names with a comma.
