Boilermate 2 - Pump continuously runs

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Boilermate 2 - Pump continuously runs

Post  Grantdeadman on Tue Mar 31, 2015 12:33 am

I've been having some issues with the pump not turning off on my boilermate 2 when the store to reaches its maximum temperature.

The neon light for the thermostat goes out and so I would expect the pump to stop also.

It's causing my airing cupboard to heat up so my only option is to turn th boiler off at the mains.

Does anyone know why the pump keeps going even though the thermostat light is switched off? Thoughts / suggestions on what I could do would be most welcomed!

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Re: Boilermate 2 - Pump continuously runs

Post  mike on Tue Mar 31, 2015 3:53 pm

Check the delay timer PCB
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Re: Boilermate 2 - Pump continuously runs

Post  Grantdeadman on Tue Mar 31, 2015 11:41 pm

Cheers Mike. Appreciate the quick response. When you say check the PCB do you mean replace it? What am I chdcking for exactly?

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Re: Boilermate 2 - Pump continuously runs

Post  mike on Wed Apr 01, 2015 8:36 am

It will be the delay timer PCB.
It may be burnt.
Or items are loose.
There are 2 PCB's
Check both.
Replace both if showing signs of heat etc.
Remember they are in a hot place.
Mike

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Re: Boilermate 2 - Pump continuously runs

Post  Grantdeadman on Tue Apr 21, 2015 12:57 am

Morning Mike. I've ordered this today from EBay. Is this the correct part?


http://m.ebay.co.uk/itm/151054272498?nav=SEARCH

Hopefully this will switch the pump off when the green light goes out. The boiler is continuously running, it's so frustrating because my bills are going to be really high !

Thanks Mike

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Re: Boilermate 2 - Pump continuously runs

Post  Grantdeadman on Tue Apr 21, 2015 1:02 am

Sorry Mike it's this one - delay timer not pump drive....also, what's the difference ?

http://m.ebay.co.uk/itm/151060939963?nav=SEARCH

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Re: Boilermate 2 - Pump continuously runs

Post  mike on Tue Apr 21, 2015 3:18 am

Yes they are ok.
And by all account better too.
Delay timer;
When the unit tells the boiler to stop.
The boiler pump then runs on to take any heat from the boiler to the unit.
Similar to pump over run in a way.

Pump drive.
That will spin the heating pump about every 48 hours.
So in the summer when not using the heating till the winter the pump will not stick.

Mike

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Re: Boilermate 2 - Pump continuously runs

Post  Grantdeadman on Tue Apr 21, 2015 4:07 am

Cheers Mike. Have you ever thought about writing a book?!?
:-)
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Re: Boilermate 2 - Pump continuously runs

Post  mike on Wed Apr 22, 2015 2:26 am

lol
I will Copy & Paste from the posts!
I am still learning !

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Re: Boilermate 2 - Pump continuously runs

Post  Grantdeadman on Fri Apr 24, 2015 6:55 am

PCB has just arrived. I will install it when I get home this evening and let you know how I get on!

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Re: Boilermate 2 - Pump continuously runs

Post  Grantdeadman on Fri Apr 24, 2015 12:14 pm

Hi Mike. Just to let you know I've ftted the new PCB and everything works fine !!!!!! Boiler reaches temp, green light goes out and the pump stops!! I'm sure this will make a difference to my heating bills?

Thanks for all your advice. You should definitely write a book and Amazon it !

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Re: Boilermate 2 - Pump continuously runs

Post  mike on Fri Apr 24, 2015 12:16 pm

Lol
When I get time!
Well done!
Mike

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Re: Boilermate 2 - Pump continuously runs

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