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Hi, Finally managed to change the fuse and the display is working. However the new display I bought, only shows a top row of blocks. Any ideas?

Thanks, and can I just do a simple swap out or do I need to turn it off first or something ??

There are 3 fuses. How would I know which needs replacing ? Thought it might be the 250ma misc one ??

Hi, I replaced the keypad today and i'm pretty sure i accidentally let the wires touch :( So assume i must have blown a fuse, how do I go about replacing this ? I have opened the control panel and can see three glass fuses, assume it is this ? They 'look' ok, what type of fuse is it and...

thanks, but when i went to B&Q and checked the other 15mm ones, it is definately less than 15mm. Makes it a pain to buy a replacement, looking around an official SIME one is about £50 :(

Hi, The pressure on my Sime Super 90 MKII was very low so turned the two blue knobs to add water to the system but nothing happened Pretty much spent all day and finally removed the non return valve and I believe it may be broken, as water is not flowing through easily. Looking around...

Hi, Our boiler ( Sime Super 90 MK II ) which is about 10 years old now sometimes fails to light. When the heater comes on it tries to ignite then the red light appears. I just have to turn the dial to the flame symbol and it will light. Then the rest of the night it is fine, it's like...