Anatel A643a - Troubleshooting 185 of 220
RPS - June 2007 - Edition 12
Anatel Operator Manual
4) Press Esc twice to return to the Cell Menu to perform the other function, or press it
three times to return to the Diagnostics Menu.
If the analyzer is equipped with UV Detect technology the following responses will occur as a
result of the lamp test, depending on the condition of the UV output.
14.4.3 I/O Tests
These diagnostics verify the operation of the Anatel A643a’s serial and digital I/O circuits. An
external loopback connector is required for these tests and should be attached to the
appropriate Analyzer port.
To check operation of the I/O connections:
1) With the Analyzer’s Diagnostics Menu displayed, specify I/O and press Enter to
access its options. The I/O Menu offers two options:
Good Lamp Failing Lamp Bad Lamp
1X 16 Display Lamp ON 52-UV Failing 53- UV Lamp Bad
C80 controller 1 Sensor Name
Output Test
Passed!
1 Sensor Name
Output Test
Failed!
REPLACE UVlamp
1 Sensor Name
Output Test
Failed!
REPLACE UVlamp
Printer Code 52 UV Failing
Urgent, U.V. lamp need
replacement consult
your manual or call the
Anatel Service Dept @
800-866-7885
Code 53 UV Lamp Bad
Urgent, U.V. lamp need
replacement consult
your manual or call the
Anatel Service Dept @
800-866-7885
RS–232 Test Runs an individual loopback test on each of the connected serial
ports. A jumper must be applied to the RxD and TxD terminals on
each of the instrument’s serial ports as shown.
Digital I/O Verifies the instrument’s digital input and output connectors. A
jumper must be applied across the Analyzer’s digital input and
output terminals as shown.
DAC Out Test Verifies the instrument’s analog output to an optional external DAC
module.
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