5.2.3
Recurrent Tests
Test Steps to Be Performed
Step
Instructions and Conditions
Visual inspection
Prepare device for normal use. Use original power supply cord provided
by Brainlab.
Check all relevant cables for dents, damaged insulation and blank lines.
Move and bend the cables around your hand to slightly stretch the insula-
tion. Any visible damage is not acceptable.
To maintain basic safety and essential performance in regards to Electro-
magnetic Disturbances regularly check whether:
• Only the defined cables for use with the device are used
• All cables are in good shape and not damaged (e.g., no shielding is
visible)
• Connections to cable connectors are tight and (where possible) secured
• The device is reliably connected to ground
Check
Buzz
for visible damage, broken cables and blank lines. With the
exception of air vents, you should not be able to see the interior of the de-
vice. Damaged cables, blank lines or visibility of the interior are not ac-
ceptable.
Verify the condition of all cables shipped / used with the device such as:
• Mains power cable
• Ethernet cable
• Video cables
• USB cables
• Microscope connection cable (if applicable)
Check:
• Is the insulation intact over the complete cable?
• Are the plugs fixed completely on the cables?
• Are any strands visible?
Check:
• Are all housing parts intact?
• Are glass surfaces are broken?
• Are all
Buzz
components available?
If any damage is detected, place the device out of operation, mark as
such and contact Brainlab support.
Protective earth re-
sistance
Definition
:
Resistance between any accessible conductive part that must, for safety
purposes, be connected to the protective earth terminal and one of the
following:
• Protective connector of the mains plug
• Protective connector of the appliance inlet, or
• Protective conductor permanently connected to the mains supply
Resistance between protective connectors at each end of a detachable
power supply cord.
Prepare device for normal use.
Measure the protective earth resistance for all measurement points.
Recurrent Tests
68
System and Technical User Guide Rev. 1.2 Buzz Ver. 2.0
Summary of Contents for Buzz 2.0
Page 2: ......
Page 20: ...Training and Documentation 20 System and Technical User Guide Rev 1 2 Buzz Ver 2 0...
Page 46: ...Potential Equalization Connection 46 System and Technical User Guide Rev 1 2 Buzz Ver 2 0...
Page 76: ...Touch Current 76 System and Technical User Guide Rev 1 2 Buzz Ver 2 0...
Page 84: ......
Page 85: ......
