Potterton suprima - inconsistent lighting

[dinososa]

Any advice appreciated for this thread, Potterton suprima 80l started failing to light and got worse over time, insurance replaced gas valve, then wouldn’t run for more than 30-45 minutes then the same lighting issue. I can see the electrode sparking from the window and the boiler runs up to this point before locking out after 5 or so attempts. Insurance now saying it’s a circulation issue. However now the boiler is locking before it lights back to the same issue as before. Lights sometimes like 1 in 20 times.

 

[CBW]

If it’s a circulation issue, are the insurance company not dealing with it? Perhaps get Baxi out under a fixed price repair, or get someone who knows this boiler/how to fault find.

 

[dinososa]

No insurance is emergency only, they see this as a maintenance issue. I was wondering if this is a circulation issue error as I am going to pay to get someone to flush my system.

 

[CBW]

Hard to tell without knowing more details or being in front of it. Maybe one of the more experienced and Baxi experts can help you, if not, as I mentioned, get an engineer familiar with that particular boiler.

 

[ianmcd]

When you say "locking out " what exactly do you mean, what is the "lockout display " showing ?

 

[dinososa]

Red flashing light. I then press reset to start again.

 

[ianmcd]

Try turning the boiler thermostat to about half way, does it still keep locking out ? I think your boiler maintenance company have got it wrong, I doubt if a flush will do anything for your boiler, where did they take the water samples from ?

 

[dinososa]

It locks out quicker on when on full thermostat. On half it will lock out after 20 minutes. They used a thermal camera on the radiators and did a magnet test. Didn’t take any water samples.