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BG have advised they do fixed price, but the cost will depend on the time it takes to fix the fault. up to 30m it is £89, up to 2h it is £229, and over 2h it is £449, so it will depend on how long this takes to fix. to swap the board should be simple job but i suspect BG man will claim it...

that bad ? :D :D :D One concern I have is if there is the root cause fault that may have created PCB to fail , then replaced PCB will fail again ? Is there any known common fault that would trigger PCB failure ?

OK thanks, It was not that cheap, fitted by BG To check , I need the orange PCB (IDEAL product 174486 ) rather than grey display module

Any boiler model you would trust for 3 bed house. thanks

This unit is only 3 years old ? , I admit had few problems with the boiler, failed diverter valve, leak on the air release valve, but unit I hope will last few more years. ( I have now checked posts here , plenty of failed boards and poor reputation ) But the reality is to have the new...

Found the fuse, tested with multimeter and it is OK. Is there any test I can perform to diagnose main PCB fault , as it could be display unit or orange pcb ? thanks

I suspect it's behind the black plastic pin sticking out of the PCB box, but it seems quite solid and I do not wish to pull it out in case I create more damage,...

Hi Tony, I am not sure if I have said something to upset you .. so unclear why are you warning me. The issue is, I can see in the circuit diagram reference to fuse T3.15 , so i wanted to check this out to see if it is blown. The problem is that I can't find where the fuse is, it is not...

how can I diagnose PCB fault , there are no fault codes at all - can I change fuse ? and how ? thanks

Main display does not work at all. The incoming mains is OK - where is the internal T3.15 fuse located and how is this changed? I can;t see any fuse on the main ( orange PSB ). There is a black plastic pin sticking out from the orange box. is that fuse cover? how do you take this off ...

IF you are considering to change wax capsule see this post http://www.diynot.com/forums/viewtopic.php?t=111198&start=0&postdays=0&postorder=asc&highlight= I had changed wax capsule "easy way" it may work for you, it did for me. My Puma was scrapped and I had changed...

Thanks is AAV pushfit or treaded ? it's difficult to see. I was looking for a way to do this simply, unfortunately it will probably be job for pro. Thanks for the advice

Boiler is just over 2 years old, fitted by BG, out of warranty

Hi, has anyone seen this problem before with ISAR ?

Hi, I have identified that air vent valve on ISAR HE 30 is leaking and as a result system pressure is low. Boiler still works but the CH system pressure is only 0.3 bar when hot. If the system pressure is raised air vent valve leaks out and then the leak stops at arround 0.3 bar. I...

I have found out what the problem was, it had nothing to do with gas supply. Water pressure in CH system was high and was 2.6 bar. I have released some water from the radiator and after turning boiler OFF/ON the problem was solved. Boiler now works fine. It appears that water inlet valve on...

Hi All, I have problem with Glowworm 30ci boiler. Boiler stopped working this morning with F1 code on LCD display. In the manual it states that F1 code could be due to "no gas" or "insufficient gas supply" or other faults due to electrode ignition lead. I can hear ignition spark but...

Thanks will give that go. Only cartridge replacement kit for ISAR HE30 I can find on internet is Ideal / ISAR part No 173967 but photo of the cartridge shows what appears to be all metal (brass) unit. Diverter valve head and body is plastic but i did not take valve apart hence I...

Agree, .... and I must admit I was not sure how easy or fast valve pin should spring back up. It was also suggested that cartridge can be taken out but I could not figure out how that can be done as outer of the valve head is one piece and inner part of the valve head is vithout any visible...

Actuator is working, I could see lever on one side moving etc, I think also it is seated fine. The pin ( on valve and retained by spring ) was difficult to move even when head was taken off the valve. Pin would go in but spring could hardly move it back up once pushed in. I did not...