Dionex AS-HV, Руководство оператора

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AS-HV Operator’s Manual
92
Doc. 065125-01 10/06
Cause:
An AS-HV firmware command was not executed within the time allotted for
its completion. This indicates either a mechanical problem or a
communication problem.
To troubleshoot:
Follow the troubleshooting steps in Section 4.2 and Section 4.3 .
Cause:
A communication failure between the AS-HV and the Chromeleon PC.
To troubleshoot:
1. Check that the cable between the AS-HV and the PC is firmly connected
and screwed into place.
2. Check that the correct serial port parameters have been set for the AS-HV
and the Chromeleon PC (see Section B.3.14 ).
3. Initialize the AS-HV to verify that it is in a working state. (Turn off the
power, wait 10 seconds, and turn on the power again.)
4. Send some commands from Chromeleon to the AS-HV; while the
commands are being sent, observe the
HOST
LED on the AS-HV:
If the
HOST
LED flashes while commands are being sent, it confirms
that the AS-HV has received a character from the PC. The AS-HV
always responds when a carriage return (the
Enter key) is received,
regardless of the success of the message. This confirms that the baud
rate is correct.
If the
HOST
LED does not flash while commands are being sent,
confirm that the AS-HV is functioning by watching for the
CPU
LED
to flash. If the
CPU
LED does not start flashing within 10 to
15 seconds, press the Reset button to implement the reset sequence
Command timed out.
Communication error->disconnect.