3.8 Hazards and safety precautions when putting the appliance into
service
Safety hazard: electricity
Danger Where or in what situations does the
hazard arise?
Preventive action
Risk of electric shock
from live parts
■
Under covers
■
Under the operating panel
■
On the mains power lead
■
Work on the electrical system
must only be performed by quali‐
fied electricians from an author‐
ized service company
■
Professional working
Before removing the covers:
■
Switch off all connections to the
power supply
■
Take protective measures at every
power switch to ensure that the
power cannot be switched on
again
■
If the appliance has previously
been connected to the electricity
supply, wait 15 minutes to allow
the DC bus capacitors to dis‐
charge
■
Make sure that the appliance is
de-energized
Ensure that all electrical connections
are in perfect condition and fixed se‐
curely before putting the appliance
into service
■
On the appliance and on adjacent
metal parts
■
On the appliance and on adjacent
metallic accessories
Before putting the appliance into
service, make sure that the appli‐
ance, including all metallic accesso‐
ries, is connected to an equipotential
bonding system
3 For your safety
31
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