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The problem is still on going. We are having to switch the boiler off in between using the hot water. We are going to by-pass the rads when my brother has a spare day, and check all the pipe work for a blockage before I look at a PCB. The df du values are still both 1, even after I have...

Here it is, hope you can see it okay! Julie-Anne [/img]

Data plate.

P3 is 1, P30 is 0. Have checked all the parameters, they are all as factory set except the adjustments for propane firing and df and du. When I checked all the parameters, I got to df, press enter to confirm = 1, du press enter to confirm = 1. This then reset the values for propane firing...

Hi, thanks again. I will be forever in your debt!!!!! Re, the PCB, this is what I have been thinking if only because it costs a fortune!! We are sure that the pump is working, new diverter fitted. As for a blockage, it is definitely possible, brother will check that this week. DHW code...

Thank-you so much for thinking about this and trying to solve my problem! D Hailsham and now Boilerman2. To answer all your questions! Firstly, the fan speed. From restart (ie, 1 pre-purge stage because I can not look at the fan speed whilst F2.2 and P1.0 are showing) is...

Thanks for that D Hailsham, the problem is that the set flow temperature is 75 and the actual flow temp is 55. (Return set temp is 55 and actual is 56). Still in the dark!!!! But appreciate the help! Julie-Anne.

We have a Remeha 28c that is showing a steady 8 on the LCD, (not E8 ) I cannot find any reference to that in the installation manual and Remeha tech will not help us any more because they say that they do not support installations outside the U.K (we are in Spain) despite this particular model...