Westinghouse SP6390 Operation Manual page 14

The appliance emits an
unusual smell or smog.
(e.g. smoke, flame, or
burning)
The appliance's "NCCO"
indicating light flashes in
red.
The appliance releases
mineral smell during the
first-time operation.
Turn off the appliance and disconnect it
from power supply. Call the customer
service center immediately or contact with
a qualified agent.
Turn off the appliance. Unplug and wait for
3-5mins to plug back to the socket.
It's normal as catalytic oxidation is taking
place inside of the NCCO Reactor, the
smell is harmless to human body, and it
would disappear after a period of operating
time.
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