Following a recent house move we've inherited a Glow Worm Compact 80e Combi Boiler which ofrequently locks-out (sometimes not for weeks, others times 3 or 4 times a week), which is easily remedied by a simple push of a button.
As we're now using the central heating it's becoming a bit more of an issue as the rads are sometimes cold until I get up and reset it.
It's been regularly serviced by British Gas and the previous owner did mention this "occasionally happened" so I'm guessing the BG engineer could never sort it.
Just a thought, as I believe it does this to stop overheating, whether it could be a faulty sensor/PCB problem as it can be working fine all evening heating the rads, switch off OK on the timer, but lockout sometimes before coming on in the morning when presumably it's cool?
Could go on. If you have the instruction manual to hand, follow the fault finding chart in the back. If you can find what stage the boiler sequence gets when it goes to lockout it will help diagnose the problem.
This problem had settled down until yesterday. Wife went to run hot water tap, nothing, realised it had cut-out. Reset it, cut-out again when tap turned on then...boom! Blew front cover off, buckled cover behind.
I wasn't there at the time but she said there wasn't any smell of gas, maybe a slight burning smell which quickly dissapated. She immediately turned off the boiler and gas supply.
I've since removed the buckled cover, nothing seems obviously damaged and there doesn't appear to be gas leaking, although we have left the gas off until it's looked at. We're only really missing the gas cooker at present.
Just waiting for someone to come out (was due a service shortly) would be handy if I had an idea as to any likely cause.
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