8 | Maintenance
28 | 48
Instruction Manual COBRA NC 0100-0300 B ACV_EN_en
8
Maintenance
DANGER
Live wires.
Risk of electrical shock.
●
Electrical installation work must only be executed by qualified personnel.
DANGER
Maintenance work without disconnecting the variable speed drive.
Risk of electrical shock.
●
Disconnect and isolate the variable speed drive before attempting any work on it.
High voltages are present at the terminals and within the variable speed drive for up to 10 min-
utes after disconnection of the electrical supply.
●
Always ensure by using a suitable multimeter that no voltage is present on any drive power termi-
nals prior to commencing any work.
DANGER
Live wires. Carry out any work on the variable speed drive and motor.
Risk of electrical shock!
●
Electrical installation work must only be executed by qualified personnel.
WARNING
Machines contaminated with hazardous material.
Risk of poisoning!
Risk of infection!
If the machine is contaminated with hazardous material:
●
Wear appropriate personal protective equipment.
CAUTION
Hot surface.
Risk of burns!
●
Prior to any action requiring touching the machine, let the machine cool down first.
