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Just to conclude. Now Fixed! Problem solved from resoldering several dry joints on back of pcb 2. Simple fix took less than 10 mins. (Flame colour issue was my imagination - no problem there!) These forums are excellent, my ability to search through the long post history on diynot.com...

I couldn't see any problems with pcb 2 on closer inspection but have touched up the connections near the discolored area. I will try pcb 1 too, if this does not solve the issue. One thing I have noticed is that the flame through the inspection window, I feel is burning with a more orange...

Ok. Will look at the board connections then next. Many thanks.

Just ran hot water at home and hot water runnning with led 2 not red, just one flashing green on left 1 sec on 1 sec off alternating with led 3. Is this normal? I have the boiler servicing/installation user guide and so was just following the troubleshoot trees but getting confused on...

Somthing occured to me whislt reading the forums again. I said earlier that when using diagnostic mode that the led code indicated a lack of burner ignition. But that is only after a few moments of trying to start up again once the boiler had cut out. I'm at work now, but seem to recall...

Hi Tony, thanks for your quick reponse. I guess one thing is that the problem seems intermittant at the moment. I'm having trouble narrowing down any consistancies. This morning and last night the hot water ran faultlessly for over 20 minutes and the heating for over 40 minutes. But the...

I may be totally wrong and irrelevant, but was just trying to be logical, had a similar problem on a tv circuit board once, the tv repair guy, showed me back of board which when the resistor connection got hot the connection got broken, applied new solder to bridge it and it worked, cheap fix...

Hello, I had success here in the past in fixing my boiler so need help again: //www.diynot.com/forums/viewtopic.php?t=157694 My mini C28 combi boiler recently has another problem in which the ignition cuts out and the boiler gets stuck in a loop trying to ignite. It seems to...

Fixed! Many thanks again Tony. Faulty part is in the post to you today. Russell

Thanks for the help, I will certainly post you the part once, I fit the new one. I have a couple of questions before i begin the job. Can i close all valves under the boiler to be sure of isolating the correct taps? Is it easy enough to reach the drainage valve to release the pressure...

Ok. Tonight I checked PCB optical diagnostics and the lights confirmed error: "faulty CH temperature probe NTC" 1st light off, 2nd and third lights blinking simultaneously. This happened when the boiler cut out when it hit 60c degrees. So what next for me? Do I need to replace...

Thanks Tony I'll check when I get home. If I match the diagnostic light code which I'm expecting too and it is the sensor, is the replacement of this part called the thermistor and is it an expensive part? Can it be done by us budding D-I-Yers. Thanks again. Russell

The dials for central heating temp and the hot water are at about halfway for their temperature, and are never really used since I first set them. Room thermostat on wall is set at about 25. The tank gauge seems to rest at about 30c and then go upto 60c as I mentioned before cutting out...

Hi, I have the following boiler which is three years old now. Never been serviced so I'm probably paying the price! Recently, the boiler cuts out when the central heating has been running for about 10 mins or so. I've noticed that it seems to happen when the tank temperature reaches 60...