2 For your safety
Repair Manual C4 14
2.3 Hazards and safety precautions when replacing appliance
parts
Safety hazard: electrical power
Danger Where or in what situations does the
hazard arise?
Preventive action
Risk of electric shock from
live parts
Under covers
Under the control panel
Work on the electrical system must only
be performed by qualified electricians
from an authorized customer 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.
Wait 15 minutes to allow the DC bus
capacitors to discharge
Make sure that the appliance is
de-energized
Make sure that the electrical connections
are intact and fixed securely before
plugging the appliance back into the
power supply.
On the appliance and on adjacent metal
parts
On the appliance and on adjacent
metallic accessories
Before putting the appliance back into
use, make sure that the appliance,
including all metallic accessories, is
connected to an equipotential bonding
system
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