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The 6890 Series Gas Chromatograph
General warnings
General warnings
Many internal parts of the GC carry dangerous voltages
If the GC is connected to power sources, even if the power switch is off,
potentially dangerous voltages exist on:
• The wiring between the detector power cord and power switch
• The wiring between the GC power cord and the AC power supply, the AC
power supply itself, and the wiring from the AC power supply to the power
switch.
With the power switches on, potentially dangerous voltages also exist on:
• All electronics boards in the instrument
• The internal wires and cables connected to these boards.
WARNING All these parts are shielded by covers. With the covers in place, it should be
difficult to accidentally make contact with dangerous voltages. Unless
specifically instructed to, never remove a cover unless the detector, inlet, or
oven are turned off.
If the power cord insulation is frayed or worn, the cord must be replaced. Contact
your Agilent service representative.
Electrostatic discharge is a threat to GC electronics
The printed circuit (PC) boards in the GC can be damaged by electrostatic
discharge. Do not touch any of the boards unless it is absolutely necessary. If
you must handle them, wear a grounded wrist strap and take other antistatic
precautions. Wear a grounded wrist strap any time you must remove the
electronics side panel.
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