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Helpful ReplyHot!Boiler problem

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ANIMAL
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2018/03/06 22:18:31 (permalink)
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Boiler problem

Anyone know about boilers?

I’ve got no hot water and no heating. The display says ‘Low water pressure, fill to 1 bar, bleed radiators’

Water pressure is fine out taps. Boiler pressure gauge is showing sufficient pressure. I bled all rads, filled up again to 1 bar but it still is showing that error message. It’s a Logic combi 30, and only about 7-8 years old.

Any ideas before I get a guy out tomorrow?

Thanks
#1
dirtyvest
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Re: Boiler problem 2018/03/06 22:32:15 (permalink)
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Mine did this the other month, fist day of snow, rang the guys was given a 24hr time bracket for call out so went and bought a rad, they turned up 20mins after I got back, turned to taps under the boiler a quarter turn clockwise IIRC until the pressure was where it should be, turned them back to their original position and that was it, done in 10 mins

Limits, like fear, are often just an illusion: MJ 12/9/09
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#2
stokie
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Re: Boiler problem 2018/03/06 22:35:45 (permalink)
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Try pressurising it to 1.5 bar, it that doesn’t work
Try 1.75 and then 2bar

The gauges in the logics aren’t accurate after
A few years, most likely giving a false reading
#3
ANIMAL
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Re: Boiler problem 2018/03/06 22:42:07 (permalink)
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Cheers. Yeh I’ve tried 1.5, 2 and up to 2.5. Still shows same message of low water pressure

I reset it and the boiler starts but with the same error message, works for about 2min and then just stops.

I thought it was an airlock somewhere, but have bled every rad and no air. Should I drain the whole thing till it’s empty and then refill ? Or just call an engineer?
#4
stokie
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Re: Boiler problem 2018/03/06 22:52:43 (permalink)☄ Helpfulby ANIMAL 2018/03/06 23:01:40
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Sounds like a faulty pressure sensor in that case
New sensor is about £25
#5
Medic
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Re: Boiler problem 2018/03/07 04:50:28 (permalink)
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Have you tried turning it of and turning it back on again??? 
Medic
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The_Lone_Wolf
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Re: Boiler problem 2018/03/07 10:21:24 (permalink)
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dirtyvest
Mine did this the other month, fist day of snow, rang the guys was given a 24hr time bracket for call out so went and bought a rad, they turned up 20mins after I got back, turned to taps under the boiler a quarter turn clockwise IIRC until the pressure was where it should be, turned them back to their original position and that was it, done in 10 mins




This happens every so often on mine, and I do the same as above...
 
I turn the two taps underneath, you can hear the water doing magical stuff, then I turn them back once the pressure returns to the normal range. Very simple once you know how. 

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#7
dirtyvest
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Re: Boiler problem 2018/03/07 17:32:38 (permalink)
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Yeah, fortunately as we're council it cost us nothing but if I'd have paid a Sunday call out fee and half a day's waiting for them to turn up when it was literally a 5min job from me answering the door to them leaving, I would have been pissed off. It happened a couple more times in the next 2-3 weeks but been fine since

Limits, like fear, are often just an illusion: MJ 12/9/09
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#8
Trunks
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Re: Boiler problem 2018/03/07 18:11:54 (permalink)
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Highly unlikely to be an airlock if it's a combi boiler. No hot water combined with no heating would have me looking at the diverter valve.
#9
stokie
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Re: Boiler problem 2018/03/07 18:47:06 (permalink)
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Trunks
Highly unlikely to be an airlock if it's a combi boiler. No hot water combined with no heating would have me looking at the diverter valve.



It’s flashing up low pressure, nothing to do with the diverter
it’s either low pressure Or a faulty/****ted up pressure sensor,
common fault on the logic
#10
Medic
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Re: Boiler problem 2018/03/08 05:32:01 (permalink)
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Are radiator and boiler heating common in houses in the UK? Seems like very old technology. 
Medic
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ANIMAL
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Re: Boiler problem 2018/03/08 18:46:34 (permalink)
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As Stokie said, Boiler guys just been confirmed pressure sensor has gone.

Charging me £39.99 for a new one.

Plus the £99 + vat call out charge today and however long it takes to fit tomorrow. Probably £300 in total.

Is it time I bite the bullet and get boiler cover? As it wasn’t an old boiler when we moved in 2 years ago I took my chances. But really don’t want to be in a position to have to pay for a whole new one if it went.
#12
ANIMAL
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Re: Boiler problem 2018/03/08 18:50:43 (permalink)
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dirtyvest
Mine did this the other month, fist day of snow, rang the guys was given a 24hr time bracket for call out so went and bought a rad, they turned up 20mins after I got back, turned to taps under the boiler a quarter turn clockwise IIRC until the pressure was where it should be, turned them back to their original position and that was it, done in 10 mins



The_Lone_Wolf

This happens every so often on mine, and I do the same as above...
 
I turn the two taps underneath, you can hear the water doing magical stuff, then I turn them back once the pressure returns to the normal range. Very simple once you know how. 


Ive never had to top mine up.. surely if you are loosing pressure you have a leak somewhere? If it happens regularly I’d try find it.

When I did my kitchen last year I found out that the bath was draining under the house as the waste pipe had popped off. I was probably like that for years but no one noticed as was under the floor.I had to replace all the floor beams
#13
ANIMAL
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Re: Boiler problem 2018/03/08 18:53:58 (permalink)
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Medic
Are radiator and boiler heating common in houses in the UK? Seems like very old technology. 
Medic


I think every house has them. I’m used to air conditioning so rads and indoor heating are new to me .

What do they have in the states when it gets cold?
post edited by ANIMAL - 2018/03/08 18:58:36
#14
stokie
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Re: Boiler problem 2018/03/08 20:13:41 (permalink)
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ANIMAL
As Stokie said, Boiler guys just been confirmed pressure sensor has gone.

Charging me £39.99 for a new one.

Plus the £99 + vat call out charge today and however long it takes to fit tomorrow. Probably £300 in total.

Is it time I bite the bullet and get boiler cover? As it wasn’t an old boiler when we moved in 2 years ago I took my chances. But really don’t want to be in a position to have to pay for a whole new one if it went.



Will only take the engineer about 15 mins to swap the part

One of the main problems on the older logics tends the be either
The sump of main heat Ex, both can be expensive repairs. Ask the engineer
To check the old sensor to see if it’s dirty, it will give a good sign to the internal
Condition of the boiler
#15
SeanR
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Re: Boiler problem 2018/03/08 20:39:11 (permalink)
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ANIMAL


Is it time I bite the bullet and get boiler cover? 



I have boiler cover with british gas, cant say I'm happy with it.
 
Boiler packed in during the cold spell, so looks online to book an appointment. The next available slot was four days. 
Thought fck that, and had to get my brovs mate around to sort it. Rang BG to complain, not assed, said they were busy due to cold spell.
 
Funny though, because It broke down last may in decent weather, and had to wait just as long.
 
Advertising something they cant deliver.
 
#16
Medic
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Re: Boiler problem 2018/03/08 21:27:30 (permalink)
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We use central heat and air.
Medic
#17
VikingPump
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Re: Boiler problem 2018/03/13 00:42:17 (permalink)
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Had complete opposite experience with British Gas - boiler went couple times at my old place and always out within 48 hours.

Could be different depending on where you are in the country, or maybe service has slipped (That was a couple years ago)
#18
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