47 Druck ADTS 2XX User Manual
K0451 Issue No. 1
5. Check that the Ps1, Ps2 and Qc rates are less than or equal to ±0.015 inHg/min. If the rates
are greater than this value, allow further thermal stabilization time and re-test.
6. If a rate remains greater than the allowed value an internal leak is present. Return the unit
to the repair depot.
System status
| To check the general condition of the controller system go to system set-up, system status
(Figure 5-1).
5.3 Fault Diagnosis
| If the display shows a warning or error message, refer to the section below (Tables 5-1, 5-2
and 5-3).
| If a controller is suspect refer to the controller stability check, page 53.
5.4 Error Messages
| At power-up, the ADTS 2XX indicates if there is a fault by displaying an error code and message.
| See paragaph 5.4 (Tables 5-1, 5-2 and 5-3) for the listings of the error codes, check that the
error code is complete and listed in the table before returning the unit to the repair depot.
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