Hach-Lange Sigma SD900 Portable - Manual (Page 45)

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Sampler operation
4.7.4 Sample history
Sample history displays the sample number, bottle number, result
and time/date for each sample. The following results can be shown:
• Success—the sample was drawn successfully
• Bottle full—the full bottle shut-off was activated
• Rinse error—an error occurred during the rinse cycle
• User abort—a user pressed the STOP key to end the program
• Arm faulty—the distributor arm did not move correctly
• Pump fault—a fault occurred when the pump was operating
• Purge fail—an error occurred during the purge cycle
• Sample time out—liquid not detected within the timeout period
• Power fail—a power failure occurred during sampling
If a program is running or has been halted, the sample history is
displayed for the currently running sample program. If the program
has been completed, the sample history is displayed for the most
recently completed sampling program. The sample history is
automatically erased when a new program is started.
Procedure:
1. Select DIAGNOSTICS > SAMPLE HISTORY from the main menu
to view the sample history.
2. The sample history will list the sample numbers, bottle numbers
and brief result for each sample. Select a sample from the list
and press ENTER to view complete details.
3. The complete details for the selected sample will be shown.
4.7.5 Event log
The event log records information on the following events:
• Power on—power was connected to the controller
• Power fail —power was intentionally or unintentionally
disconnected from the controller without first turning power off
• Firmware update—a new version of firmware was installed
• Pump fault—a fault occurred when the pump was operating
• Arm faulty—the distributor arm did not move correctly
• Low memory battery—the internal battery should be replaced
• User on—a user turned the power on using the power key
• User off—a user turned the power off using the power key
• Program start—the sample program was started
• Program resume—a program was resumed from the halt state
• Program halt—a program was halted
• Program complete—a program was completed
• Grab sample—a grab sample was taken
• Change tube—the maximum pump cycle counts have expired