Hach AN-ISE sc Addendum To The Operator Manual page 18

Section 6
6.1 Error messages
Displayed errors
NH mV is out of range!
4
1,2
K+ mV is out of range!
1,2
NO mV is out of range!
3
1,3
Cl- mV is out of range!
1,3
Reference electrode 1
mV is out of range!
Reference electrode 2
mV is out of range!
Temperature is out of
range!
No cartridge was found.
Sensor code
Humidity
NH -N concentration is
4
1,2
high.
NH -N concentration is
4
1,2
low.
NO -N concentration is
3
1,3
high.
NO -N concentration is
3
1,3
low.
K+ concentration is high.
1,2
K+ concentration is low.
1,2
Cl- concentration is high.
1,3
Cl- concentration is low.
1,3
1
Applies to AN-ISE sc
2
Applies to AISE sc
3
Applies to NISE sc
18
Troubleshooting
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 Error messages
Ammonium mV value exceeds the measurement range
Potassium mV value exceeds the measurement range
Nitrate mV value exceeds the measurement range
Chloride mV value exceeds the measurement range
REF1 reference value is out of measuring range
ORP electrode mV value is out of measuring range
Temperature value exceeds measurement range
No sensor cartridge connected
Sensor code calibration failed
Humidity in the probe
Ammonium concentration value exceeds measuring range
Ammonium concentration value is below measuring range
Nitrate concentration value exceeds measurement range
Nitrate concentration value is below measurement range
Potassium concentration value exceeds measuring range
Potassium concentration value is below measuring range
Chloride concentration value exceeds measuring range
Chloride concentration value below measurement range
Table 2.
Cause Resolution
Refer to 6.3.1 Troubleshooting
during operation, Page 21.
Connect the sensor cartridge;
refer to section 3.3, page 15.
Refer to 6.3.2 Troubleshooting
during calibration, Page 22
Inform service engineer
Refer to 6.3.1 Troubleshooting
during operation, Page 21.
English