1Introduction
Important Safety Warnings
7000/7010 Series TQ GC/MS Operating Manual 19
Important Safety Warnings
There are several important safety notices to always keep in mind when using
the MS.
Many internal parts of the MS carry dangerous
voltages
If the MS is connected to a power source, even if the power switch is off,
potentially dangerous voltages exist on:
• The wiring between the MS power cord and the AC power supply
• The AC power supply itself
• The wiring from the AC power supply to the power switch
With the power switch on, potentially dangerous voltages also exist on:
• All electronics boards in the instrument
• The internal wires and cables connected to these boards
• The wires for any heater (oven, detector, inlet, or valve box)
Electrostatic discharge is a threat to MS
electronics
The printed circuit boards in the MS can be damaged by electrostatic discharge
(ESD). 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.
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, and
oven are turned off.
If the power cord insulation is frayed or worn, the cord must be replaced.
Contact your Agilent service representative.
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