IT IS BEST TO GET IT SERVICED BY A CORGI REGISTERED ENGINEER. IF IT HAS A VITIATION DEVICE FITTED, IT MAY BE CUTTING OUT BECAUSE IT DETECTS DANGEROUS FUMES. IF IT DOESNT HAVE THIS DEVICE FITTED, THEN IT COULD BE DANGEROUS ANYWAY. A REPUTABLE CORGI ENGINEER SHOULD BE ABLE TO HELP.
A HUMPHREY, March 2008