Agilent Technologies Quaternary Pump 1100 Series - Manual (Page 46)

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Power Supply Indicator
The power supply indicator is integrated into the main power switch. When
the indicator is illuminated (green) the power is ON.
When the indicator is off, the module is turned OFF. Otherwhise check power
connections, availability of power or check functioning of the power supply.
Pump Status Indicator
The Pump status indicator indicates one of four possible instrument
conditions:
• When the status indicator is OFF (and power switch light is on), the
quaternary pump is in a prerun condition, and is ready to begin an analysis.
• A green status indicator, indicates the quaternary pump is performing an
analysis (run mode).
• A yellow indicator indicates a not-ready condition. The quaternary pump
is in a not-ready state when it is waiting for a specific condition to be
reached or completed (for example, immediately after changing a
setpoint), or while a self-test procedure is running.
• An error condition is indicated when the status indicator is red. An error
condition indicates the quaternary pump has detected an internal problem
which affects correct operation of the quaternary pump. Usually, an error
condition requires attention (for example, leak, defective internal
components). An error condition always interrupts the analysis.
• A flashing yellow status indicator indicates that the module is in its
resident mode
. Call your local service provider for assistance upon
observing this error condition.
• A flashing red status indicator indicates a severe error during the startup
procedure of the module. Call your local service provider for assistance
upon observing this error condition.