Hach-Lange NISE sc - Manual (Page 35)

35
Section 6 Troubleshooting
6.1 Error messages
If the sensor is in an error state, the measurement value for this sensor will flash on the
display and the relay contacts and current outputs associated with this sensor will be
stopped. The errors are described in
Table 2 .
Table 2 Error messages
Displayed errors Cause Resolution
NH4 mV RANGE! 1,2 Ammonium mV value exceeds the measurement range
Refer to 6.3.1 Troubleshooting
during operation, Page 37 .
K+ mV RANGE! 1,2 Potassium mV value exceeds the measurement range
NO3 mV RANGE! 1,3 Nitrate mV value exceeds the measurement range
Cl – mV RANGE! 1,3 Chloride mV value exceeds the measurement range
REF1 mV RANGE! REF1 reference value is out of measuring range
REF2 mV RANGE! ORP electrode mV value is out of measuring range
TEMP RANGE! Temperature value exceeds measurement range
NO CARTRIDGE No sensor cartridge connected
Connect the sensor cartridge;
refer to
section 3.3, page 15 .
SENSOR CODE Sensor code calibration failed
Refer to 6.3.2 Troubleshooting
during calibration, Page 38
HUMIDITY Humidity in the probe Inform service engineer
NH4-N CONC HIGH 1,2 Ammonium concentration value exceeds measuring range
Refer to 6.3.1 Troubleshooting
during operation, Page 37 .
NH4-N CONC LOW 1,2 Ammonium concentration value is below measuring range
NO3-N CONC HIGH 1,3 Nitrate concentration value exceeds measurement range
NO3-N CONC
LOW
1,3
Nitrate concentration value is below measurement range
K+ KONZ HOCH 1,2 Potassium concentration value exceeds measuring range
K+ CONC LOW 1,2 Potassium concentration value is below measuring range
CL CONC HIGH 1,3 Chloride concentration value exceeds measuring range
CL CONC LOW 1,3 Chloride concentration value below measurement range
1 Applies to AN-ISE sc
2 Applies to AISE sc
3 Applies to NISE sc