can result in possible serious injury from flying parts and a very loud noise that can
damage your hearing.
Electrical hazards
The platesetter uses electricity to power its operation. The primary
sources of electrical hazards are enclosures that house hazardous
voltage electrical parts and electrical wiring and connectors.
Electrical enclosures
Electrical circuits are located inside electrical enclosures that are
not
protected by the interlock system—in areas that should be accessed
only by authorized service representatives. If you see the hazardous
voltage label on a panel, do not remove that panel.
Figure 48: Hazardous voltage label
WARNING:
Be aware of electrical components when working inside the
platesetter. The safety interlock system shuts down laser and mechanical activity
but does not disconnect power to electrical parts. Although most hazardous
electrical components are behind panels that are secured with service tools,
damaged wiring may create an electrical shock hazard, which can cause death or
serious injury.
WARNING: Do not perform unauthorized repairs or make modifications to the
power supply or to the electrical wiring. Unauthorized repairs or changes made to
the platesetter can expose you to electrical shock, which can cause death or
serious injury.
Electrical connections
For detailed information about the electrical connections, see the site
preparation requirements. The high-touch current label is located on
the power entry panel, below the power/emergency stop switch. It
reminds you that, because of high-touch current, you must verify the
platesetter is reliably grounded through the protective earthing pin of
the AC power plug.
38
Chapter 5—Hazards
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