Hot and cold shower but pump and sensors working

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Hot and cold shower but pump and sensors working

Post  cropsprayer on Thu Jan 18, 2018 2:18 am

Hi - my house has a Boilermate which has been there since I moved in 7 years ago. I had a water softener fitted as soon as we moved in and we have never had any issues with heating / water etc. All of a sudden the showers keep running hot and cold which seems fairly common. I took the front off and the right hand pump cuts in and out when supplying hot water to the shower as it should. I pressed the SW2 button and that shows the store at 75 degrees and the two other sensors around 60 which climb when hot water is requested from the shower. So what does this point to as the problem is my question? Is it the heat exchange part or could it be something else?

Thanks,
Rob.

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Re: Hot and cold shower but pump and sensors working

Post  mike on Thu Jan 18, 2018 1:33 pm

Check the fault codes again.
As the first one is right.
But the others are not.

Mike

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Re: Hot and cold shower but pump and sensors working

Post  mike on Thu Jan 18, 2018 1:37 pm

Oh and the pump does not supply water to the showers

It pumps the dirty store water through half of the PHE
And heats the cold going in the bottom front of the PHE and leaving the top front of the PHE and away to taps / showers etc.

Could be sensors x 1 or 2 (both)
DHW pump (must be XB004 and no other pump
Could be PHE but I doubt it.
Could be ACB
Could be a partial blockage to the unit right hand side.

Mike

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Re: Hot and cold shower but pump and sensors working

Post  cropsprayer Yesterday at 2:07 am

Hi, thanks for the replies. When you say check the fault codes how do I do that as none are shown on the LCD panel? It just displays 'ON' the whole time?

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Re: Hot and cold shower but pump and sensors working

Post  mike Yesterday at 12:03 pm

You must have forgot
As your first post states
Hi - my house has a Boilermate which has been there since I moved in 7 years ago. I had a water softener fitted as soon as we moved in and we have never had any issues with heating / water etc. All of a sudden the showers keep running hot and cold which seems fairly common. I took the front off and the right hand pump cuts in and out when supplying hot water to the shower as it should. I pressed the SW2 button and that shows the store at 75 degrees and the two other sensors around 60 which climb when hot water is requested from the shower. So what does this point to as the problem is my question? Is it the heat exchange part or could it be something else?

Have you the book?
Sometimes on the inside of the front cover it tell you how

Mike



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