Metrohm 732 IC Detector - Manual (Page 163)

5 Notes – Maintenance – Faults
732 IC Detector / 733 IC Separation Center
156
range test ok
•
>diag/internal test
>diag/int/sensitivity
Check sense
With this diagnostic step the sense amplifier is checked for functional-
ity.
•
The test runs automatically and lasts ca. 2 min. During this time various measurement
results appear in the display, but these should be ignored. If the test discovers results
which lie outside the specified tolerance zones, the number of deviations found ap-
pears following completion of the test. If all results of the test are within the specified
tolerance zones, the following appears:
sensitivity test ok
•
>diag/internal test
>diag/int/DAC coarse
Check CompCoarse
With this diagnostic step the DA converter for the coarse adjustment is
checked for functionality.
•
The test runs automatically and lasts ca. ½ min. During this time various measure-
ment results appear in the display, but these should be ignored. If the test discovers
results which lie outside the specified tolerance zones, the number of deviations
found appears following completion of the test. If all results of the test are within the
specified tolerance zones, the following appears:
DAC coarse test ok
•
>diag/internal test
>diag/int/DAC fine
Check CompFine
With this diagnostic step the DA converter for the fine adjustment is
checked for functionality.