Hach AS950 Grundfunktionen Seite 23

Problem
No measurement data
shows.
Some measurements
supplied to the sampler
do not show on the
Status screen or the
Measurement Data
screen.
Do a diagnostic test
Use the diagnostic tests to examine the operation of individual components.
1. Push MENU.
2. Select DIAGNOSTICS.
3. Select an option.
Option
Status
Event Log
Alarm Log
Sensor Ports
AUX (or
IO9000 module)
Distributor
Keypad
Display
Memory
Possible cause
The data log is empty.
Only the measurements
recorded to the data log
show.
Description
Shows the Status screen. Refer to
Shows the event log. Refer to
Shows the alarm log. Refer to
Tells the sensors connected to the sampler do a measurement and supply
advanced information used to identify if the sensor operation is correct. Shows the
measurements and information applicable to the measurements. Shows the type
and firmware version for each sensor.
Shows the configuration settings for the AUX I/O port, the flow input signal
(0/4–20 mA) and the flow value. In addition, information used by technical support
shows (ADC counts, Cal gains and Cal offsets).
Note: If the optional IO9000 module is connected to the AUX I/O port, the
configuration and status of the analog inputs, analog output, digital outputs and
relays show after the IO9000 module is configured.
Moves the distributor arm to all the bottle positions regardless of the number of
bottles that are selected in the sampling program.
Note: To do a diagnostic test for the distributor arm, the sampling program must be
configured for multiple bottles.
Shows each key that is pushed on the keypad.
Sets each pixel of the display to on and off in different patterns.
Shows the percent of the controller memory used.
Solution
Measurement data is recorded to the data log in
accordance with the selected logging interval.
Refer to Configure data logging
To see all the measurements supplied to the sampler
by a sensor(s) connected to a sensor port, select
Diagnostics>Sensor Ports.
To show all the measurements supplied to the sampler
by an external instrument(s) that is connected to the
AUX I/O port, select Diagnostics>AUX and I/O Port.
Show the program status
Show the event log on page 21.
Show the alarm log on page 21.
on page 10.
on page 19.
English 23