Parkinson Cowan SIG 504 - Manual (Page 30)

If you cut the plug off dispose of it safely as it will be a shock hazard
if it is inserted into a 13 amp socket elsewhere in the house.
If the ignition system doesn't work there may be a fault with the
electrical supply. First, check the socket by trying out another piece of
electrical equipment in it, if that works correctly renew the fuse in the
plug.
If the fuse keeps failing there is a fault in the appliance which must
be put right. Do not use a fuse with a rating higher than 3 amps. Do not
carry out other electrical work. Unplug the appliance and tell your
installer.
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General information