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Metrohm 732 IC Detector User Manual

Page 160

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5.4 Diagnostic tests

732 IC Detector / 733 IC Separation Center

153

5.4.6

Check RS232 interfaces

With this diagnostic step all outputs and inputs of the two RS232 inter-

faces 16

16 "RS 232" and 15

15 "709 IC Pump" can be checked for function-

ality.

Prepare instrument for diagnostic test (see section 5.4.2).

If need be, press <9> key repeatedly until

diagnosis
>diag/RS test

>diag/RS test
>diag/RS test/RS232

>diag/RS test/RS232
RS connector?

Without switching off the instrument, plug the 3.496.8480 Test plug

into socket "RS232".

The test runs automatically. If no fault is found, the following appears:

>diag/RS test/RS232
RS test ok

Remove test plug and .

>diag/RS test
>diag/RS test/709 Pump

>diag/RS test/709 Pump
RS connector?

Without switching off the instrument, plug the 3.496.8480 Test plug

into socket "709 IC Pump".

The test runs automatically. If no fault is found, the following appears:

>diag/RS test/709 Pump
RS test ok

Remove test plug and .

diagnosis
>diag/IO test