Metex 2200C Conductivity Analyzer/Controller - Manual (Page 24)

Model 2200C Page 22
8.0 DIAGNOSTICS
8.1 Description
8.1.1 The 2200C has diagnostic features which alerts the operator to invalid entries and
memory loss. Invalid entries are indicated by the flashing of the appropriate menu
LED. The flashing will commence after RUN is pressed and will continue until the
errors are corrected. Memory loss is indicated by the flashing of TEST and by the
alarm relay if enabled by DIP Switch No. 5 of Bank S1. See Section 4.7.3.
8.2 Invalid Calibration
8.2.1 Invalid calibration will be indicated when the input is out of range. This could occur
if you had attempted to calibrate with a solution which was outside the range of the
instrument.
8.3 Invalid Output
8.3.1 Invalid output will be indicated if the expanded range is less than 10% of full scale.
To correct, refer to Section 5.3.
8.4 Invalid Alarm Points