Hach AN-ISE sc Addendum To The Operator Manual

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

18 EnglishSection 6 Troubleshooting6.1 Error messagesIf the sensor is in an error state, the measurement value for thissensor will flash on the display and the relay contacts and currentoutputs associated with this sensor will be stopped. The errors aredescribed in Table 2.Table 2 Error messagesDisplayed errors Cause ResolutionNH4 mV is out of range!1,2 Ammonium mV value exceeds the measurement rangeRefer to 6.3.1 Troubleshootingduring operation, Page 21.K+ mV is out of range!1,2 Potassium mV value exceeds the measurement rangeNO3 mV is out of range!1,3 Nitrate mV value exceeds the measurement rangeCl- mV is out of range!1,3 Chloride mV value exceeds the measurement rangeReference electrode 1mV is out of range! REF1 reference value is out of measuring rangeReference electrode 2mV is out of range! ORP electrode mV value is out of measuring rangeTemperature is out ofrange! Temperature value exceeds measurement rangeNo cartridge was found. 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 Troubleshootingduring calibration, Page 22Humidity Humidity in the probe Inform service engineerNH4 -N concentration ishigh. 1,2 Ammonium concentration value exceeds measuring rangeRefer to 6.3.1 Troubleshootingduring operation, Page 21.NH4 -N concentration islow. 1,2 Ammonium concentration value is below measuring rangeNO3 -N concentration ishigh. 1,3 Nitrate concentration value exceeds measurement rangeNO3 -N concentration islow. 1,3 Nitrate concentration value is below measurement rangeK+ concentration is high.1,2 Potassium concentration value exceeds measuring rangeK+ concentration is low.1,2 Potassium concentration value is below measuring rangeCl- concentration is high.1,3 Chloride concentration value exceeds measuring rangeCl- concentration is low.1,3 Chloride concentration value below measurement range1 Applies to AN-ISE sc2 Applies to AISE sc3 Applies to NISE sc