Error List - Hach LDO Betriebsanleitung

Refer to Table 5.
Option
Sensor information
Sensor cap lot code
Serial number
Gain correction
Offset correction
Phase diagnostics
Amplitude diagnostics
Days remaining to clean
Sensor life

Error list

If an error occurs, the reading on the measurement screen flashes. Output behavior is determined by
controller settings. Refer to the controller manual for details.
To show the current sensor errors, go to MENU>SENSOR DIAGNOSTICS>[Select Sensor]>ERROR
LIST. Refer to Table 6.
Error
Red amplitude is too low. (Value is below
0.01)
or
Blue amplitude is too low. (Value is below
0.01)
Warning list
When the warning icon flashes (sc100 and sc200) or when the screen turns yellow (sc1000), a
message is shown on the bottom of the measurement screen. On the sc1000, the screen turns
yellow to show a warning. To show the current sensor warnings, go to MENU>SENSOR
DIAGNOSTICS>[Select Sensor]>WARNING LIST. Refer to
Warning
EEPROM setup error
EEPROM error
Table 5 Maintenance menu
Description
Software version—Shows the installed software version
Boot pogram— Shows the installed boot version
Driver version—Shows the installed software driver version
Shows the sensor cap manufacturing lot
Sensor serial number
Adjust the calibration gain value.
Range: 0.50 to 2.00
Adjust the calibration offset value (mg/L or ppm).
Range: –3.00 to +3.00
Shows the phase for total, red and blue wavelengths. Updates once per second.
Shows the amplitude for red and blue wavelengths. Updates once per second.
Shows the number of days until the next scheduled manual cleaning.
Shows the number of days until the next scheduled sensor cap replacement.
Table 6 Error list for the LDO sensor
Possible cause
The sensor cap is not
installed, or is not installed
correctly.
The light path is blocked in
the sensor cap.
The sensor is not operating
correctly.
Table 7 Sensor warning list
Definition
Storage is corrupt. The values have
been set to the factory default.
Resolution
Remove the sensor cap and
install it again.
Inspect the inside of the sensor
cap and lens.
Make sure that the LED is
flashing. Contact the
manufacturer.
Table 7.
Resolution
Contact technical support.
English 9