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FlowolF
Hi folks,
We've had the above combi unit for about 5 years without any trouble until now - there's a small pressure leak somewhere that we've been trying to find, but in the meantime, just topping her up every now and then has been enough...
However, this last couple of days the pressure had dropped to zero and we didn't notice, until the house got cold that is! I topped the system back up to 1 bar, bled the radiators twice and then some more, but she still wouldn't fire up on the CH (HW is just fine though) - we are getting error code '1' - appliance overheat - and the bleed from the (top of the) boiler itself bleeds out very hot water, so I know she's firing up the burners alright! It doesn't sound to me like the pump is running though, but I can't be certain - do you think the low/zero pressure/airlock scenario has likely killed the pump, or could we still be looking at some kind of airlock?!?
I'm reasonably supple minded and have a few clues with things like this, but I'm no heating engineer (or plumber! - Hope this doesn't preclude me from asking this here!) by any means, but we are FARRRR too broke to call one in right now!
If it is the circulation pump, are these inside the boiler unit on these?
If it could still be some kind of airlock, any clues as to the best procedure to find and bleed it out? - The radiators are ejecting just water now, as is the main boiler bleed valve.
Any help would be GREATLY appreciated - I believe it's about to get cold again...
Any more info you need just let me know and I'll do my best.
TIA folks, and be well!
Shaun/FW
We've had the above combi unit for about 5 years without any trouble until now - there's a small pressure leak somewhere that we've been trying to find, but in the meantime, just topping her up every now and then has been enough...
However, this last couple of days the pressure had dropped to zero and we didn't notice, until the house got cold that is! I topped the system back up to 1 bar, bled the radiators twice and then some more, but she still wouldn't fire up on the CH (HW is just fine though) - we are getting error code '1' - appliance overheat - and the bleed from the (top of the) boiler itself bleeds out very hot water, so I know she's firing up the burners alright! It doesn't sound to me like the pump is running though, but I can't be certain - do you think the low/zero pressure/airlock scenario has likely killed the pump, or could we still be looking at some kind of airlock?!?
I'm reasonably supple minded and have a few clues with things like this, but I'm no heating engineer (or plumber! - Hope this doesn't preclude me from asking this here!) by any means, but we are FARRRR too broke to call one in right now!
If it is the circulation pump, are these inside the boiler unit on these?
If it could still be some kind of airlock, any clues as to the best procedure to find and bleed it out? - The radiators are ejecting just water now, as is the main boiler bleed valve.
Any help would be GREATLY appreciated - I believe it's about to get cold again...
Any more info you need just let me know and I'll do my best.
TIA folks, and be well!
Shaun/FW