Page 12CWT S5 Installation & Maintenance ManualIssue 5
Safety
Caution:
Handling ordinary plastic causes a charge to build up.
Most modern integrated circuits are extremely sensitive to ESD. The component
either ceases functioning altogether, causing the equipment to stop working, or
suffers damage that makes it extremely susceptible to further injury. This can
eventually result in intermittent faults that are extremely difficult to locate.
Caution:
Never expose ESD-sensitive components to shocks of static electricity.
3.6.2
Avoiding ESD damage
Rule number 1: Prevent charge build-up!
Plastic packaging and other large plastic objects can transfer charges to
conductive objects, which can then damage components. Except for special
anti-static plastic, all plastic must be kept away from unconnected printed circuit
board assemblies.
Rule number 2: If you need to work with electronic components or modules,
connect yourself through a wristband to a grounded part inside the terminal.
Avoid touching connector pins/poles and components on printed circuit board
assemblies.
Ensure that all components containing electronic parts are always stored in an
ESD protection bag when handled outside the terminal.
Remember that the bags’ insulating properties gradually wears out.
Always use a new bag.
The following ESD protection accessories can be ordered from Flowbird.
Wristband (for connection to the ticket terminal cabinet)
ESD bag, small (fits print head and coin validator, etc.)
ESD bag, large (fits CPU board etc.)
To Next Page
Loading...