Heatrae Sadia Amptec Red Alert

RMuzik · 20 Jan 2021

Hi

Replaced the PCB on our boiler and set the pressure but still I’m get the flashing red alarm signal. Manual says this is no water in the system. Checked pump and seems to be fine.

Any ideas would be greatly appreciated.

cheers

ianmcd · 21 Jan 2021

low water sensor switch is blocked, why did you change the PCB ?

RMuzik · 21 Jan 2021

Hi, thanks for replying.

Just in case anyone has the same problem and doing a search for this like I did.

When replacing the PCB on this boiler you have to also change the front control PCB. This is because the old one is obsolete. Check the dates. I’ve included the link I found which solved the problem.

https://www.upperplumbers.co.uk/plumbing/plumbing_pages.php?title=Electroheat PLC&cat=12

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Heatrae Sadia Amptec Red Alert

RMuzik

ianmcd

RMuzik

DIYnot Local

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