Shell Energy SMETS1 Manual page 25

Understand the symptoms
If you experience unexplained symptoms listed below and they improve when
you're away from your home, this could be a further indication of the presence of
carbon monoxide.
Headaches

Dizziness

Nausea

Take action
Open windows

Turn off gas appliances

Leave the building and call

the Gas Emergency Line
immediately on 0800 111 999
(free of charge and
open 24 hours)
Seek medical help immediately

Get a Gas Safe

Registered engineer
to check your appliances
Avoid the risks
There are precautions you can take to make your home safer:
Get an audible carbon monoxide detector

Have gas appliances regularly serviced by a Gas Safe Register engineer

gassaferegister.co.uk
Visit
about keeping your home gas safe.
Breathlessness

Collapse

Loss of consciousness

for more information and guidance
Smart meter user guide | 25