Status Indicators - Agilent Technologies 1200 Series Reference Manual

3
Troubleshooting

Status Indicators

Two status lamps are located on the front of the vacuum degasser. The left
lamp indicates the power supply status, the right lamp indicates the vacuum
degasser status.
Status indicator
Power supply lamp
Figure 9
Power Supply Lamp
The power supply lamp is integrated into the main power switch. When the
lamp is illuminated (green), the power is ON.
Instrument Status Indicator
The instrument status indicator indicates one of three possible instrument
conditions.
• When the lamp is OFF, the vacuum degasser is in ready condition (only if
• A busy condition is indicated ,when the lamp is yellow. A busy condition
• An error condition is indicated, when the lamp is red. An error condition
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Location of Status Lamps
the power supply lamp is ON, otherwise, the instrument is switched OFF, or
there is a defect in the power supply). A ready condition exists when there
is sufficient vacuum in the vacuum degasser.
exists when the vacuum pump of the vacuum degasser is working to
generate or maintain vacuum in the chambers. This is the case when the
vacuum degasser is turned ON for the first time or the pressure rises above
its limit during normal operation.
exists when the vacuum degasser detects an internal defect that does not
allow the vacuum to be built up in a certain time frame (approximately
8 minutes).
1200 Series VD Reference Manual