3
System Shutdown, Startup, and Reset
Turning Off Selected Mass Spectrometer Components
Thermo Scientific TSQ Series Hardware Manual 59
Turning Off Selected Mass Spectrometer Components
There are different ways that you can turn off some or all of the mass spectrometer
components:
• Turn off individual mass spectrometer components from the EZ Tune window. Turning
off individual mass spectrometer components might be necessary when you are
troubleshooting or when you are running certain diagnostic procedures.
• Place the mass spectrometer in standby mode. Standby is the normal condition to leave
the mass spectrometer in when it is not in use. Choose Control > Standby (or turn the
On/Standby button on or off) from the EZ Tune window to place the mass spectrometer
in standby.
• Place the mass spectrometer in the off condition. The off condition is similar to standby,
except all high voltage components of the mass spectrometer are turned off. Choose
Control > Off from the EZ Tune window to place the mass spectrometer in the off
condition.
• Place the Electronics service switch in the Service Mode position. The Electronics service
switch turns off all components in the mass spectrometer other than the +24 V power
supply, forepump, turbomolecular pump, Vent Delay PCB, and fans.
• Place the Vacuum service switch on the TSQ Quantum Access or TSQ Quantum Access
MAX in the Service Mode position. The Vacuum service switch turns off all vacuum
system components, including the +24 V power supply, forepump, turbomolecular
pump, Vent Delay PCB, and fans.
• Place the Main Power circuit breaker switch in the Off (O) position. Placing the Main
Power circuit breaker switch in the Off (O) position removes all power to the mass
spectrometer, including the vacuum system.
Note The communications link between the data system and the mass spectrometer
should automatically reestablish after you reset the data system. When this occurs the
Communication LED on the front panel of the mass spectrometer illuminates yellow and
then green. If the system is unable to reestablish the communications link, press the
System Reset button on the right-side power panel of the Power Entry Module of the mass
spectrometer. See Figure 35 on page 50.
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