water help no hot water

[jpbroad1970]

hi we have an issue with our heating and water system . new flow switch and new pump , system bled , all done by a professional but still no hot water or heating. when the plumber left yesterday we had boiling radiators and some hot water although the heating was switched off. my suspicion is diverter valve but unsure as to why nothing is working again now. boiler tries to kick in but says FD error (flow)

would be really happy for some advice as we have been 4 weeks without hot water no and the Mrs isn't happy.

thanks in advance
John

 

[jpbroad1970]

It was all working on pump speed 2 then only on 3 now nothing . All taps are open as should be so lord only knows.

 

[Aire]

Are you getting no flow on heating and hot water or just when your calling for hot water?

 

[jpbroad1970]

Are you getting no flow on heating and hot water or just when your calling for hot water?

On both , when it was first so called repaired it all worked on pump speed 2 , but then struggled so had to be moved to 3, my thinking is it's a blockage moving around but I'm doing a lot of thinking over it all probably too much lol.

 

[Aire]

On both , when it was first so called repaired it all worked on pump speed 2 , but then struggled so had to be moved to 3, my thinking is it's a blockage moving around but I'm doing a lot of thinking over it all probably too much lol.

It could easily be an airlock after the repair. The plumber most likely drained down to some degree to change the valve so an air lock would not be uncommon. Try cycling your hot water on and off for a few minutes. Using the programmer turn the hot water on, for 10 - 20 seconds, off for 10 - 20 seconds and do this for a few minutes. You should be able to hear the water move and possible hear bubbles in the system. Other than that it could be a blockage or even a blocked cold feed/dried up f&e tank.

 

[Burger]

Did you check the boiler thermostat? And as per @Craig Watson check the f&e tank has water in it. Are there any valves where the pipes connect to the boiler?

 

[jpbroad1970]

Did you check the boiler thermostat? And as per @Craig Watson check the f&e tank has water in it. Are there any valves where the pipes connect to the boiler?

F&e tank ?

Boiler thermostat ok too

 

[Burger]

F&e tank ?

Boiler thermostat ok too

Feed and expansion (sometimes referred to as header tank), or is it a sealed system? In which case do you have correct pressure?

 

[Harvest Fields]

I am loving the position of the Adey filter.

 

[jpbroad1970]

Feed and expansion (sometimes referred to as header tank), or is it a sealed system? In which case do you have correct pressure?

I'll check f and e tank , I have no pressure gauges on boiler or anywhere else for that matter so I presume it's not a sealed system.

 

[jpbroad1970]

I have header tank and cold water tank, both full.

Also now can't get the cap off to fit Immersion heater. Omfg

 

[Harvest Fields]

I have header tank and cold water tank, both full.

Also now can't get the cap off to fit Immersion heater. Omfg

What tool are you using to try and remove it?

 

[Jones82]

Sounds like air in the system, try bleeding all radiators and any manual / automatic vent points. If no air comes out I'm afraid you'll have to hire another plumber or get the first one back, I hope you haven't paid him!

I would never leave a customer like this

 

[jpbroad1970]

What tool are you using to try and remove it?

32mm socket and wrench as that fits the blanking cap a treat

 

[jpbroad1970]

Sounds like air in the system, try bleeding all radiators and any manual / automatic vent points. If no air comes out I'm afraid you'll have to hire another plumber or get the first one back, I hope you haven't paid him!

I would never leave a customer like this

We have paid him as it was working. Albeit was only £240 but it's the time frame.

 

[Aire]

I have header tank and cold water tank, both full.

Also now can't get the cap off to fit Immersion heater. Omfg

The smaller of the 2 tanks, what was the condition of the water like, did you try pushing a screwdriver or something into the tank outlet to make sure it was clear?

 

[jpbroad1970]

The water was,is dirty. It was a bit caked up but free flowing now, rads have bled and you can tell when the pump kicks in as it increases the pressure of water coming out the rad.

 

[Aire]

What do you mean by was caked up but free flowing now?

 

[jpbroad1970]

What do you mean by was caked up but free flowing now?

It had some crusty bits just inside the outlet

 

[jpbroad1970]

I have given up , plumber booked ran out of ideas and patience.

 

[jpbroad1970]

Thanks everyone for your input, I'll post up results when mended.