Hach POLYMETRON 8312 - User Manual

Questions and Answers

Z
Zachary JenningsAug 17, 2025
What to do if my Hach Accessories say 'CAL OVERDUE'?
- J
  Janice DiazAug 17, 2025
  If your Hach Accessories display a 'CAL OVERDUE' message, you should calibrate the sensor.
K
Kristin FisherAug 20, 2025
What to do if my Hach Accessories say 'NOT CALIBRATED'?
- M
  Ms. Traci ThompsonAug 20, 2025
  If the Hach Accessories show 'NOT CALIBRATED', you should calibrate the sensor.
J
Justin McculloughAug 23, 2025
What does 'REPLACE SENSOR' mean on my Hach Accessories, and what should I do?
- A
  Angela EdwardsAug 23, 2025
  If the Hach Accessories display 'REPLACE SENSOR' because the sensor has been in operation for more than 365 days, calibrate the sensor with a reference solution and reset the sensor days. If the calibration fails, call technical support.
R
Ryan YoungAug 25, 2025
What to do if my Hach Accessories displays 'ADC FAILURE'?
- R
  Renee MarshAug 26, 2025
  If the Hach Accessories show 'ADC FAILURE' because the analog to digital conversion failed, ensure that the sensor module is fully inserted into the controller connector. If the issue persists, replace the sensor module.
S
samuel01Aug 27, 2025
Why is my Hach Accessories showing 'SENS OUT RANGE'?
- V
  valenciastacyAug 28, 2025
  The Hach Accessories display 'SENS OUT RANGE' because the sensor signal is outside of the accepted limits for the cell constant that is used. To resolve this, make sure that the sensor is configured for the correct cell constant.
C
cherylcarpenterAug 30, 2025
What to do if my Hach Accessories show 'MEAS TOO HIGH'?
- D
  dwayneyoderAug 30, 2025
  If the Hach Accessories show 'MEAS TOO HIGH' because the measured value is > 2,000,000 µS/cm, 1,000,000 ppm or 20,000 ppt, make sure that the sensor is configured for the correct cell constant.
M
Melissa DanielSep 1, 2025
What to do if my Hach Accessories show 'MEAS TOO LOW'?
- M
  marissa72Sep 2, 2025
  If the Hach Accessories display 'MEAS TOO LOW' because the measured value is < 0 µS/cm, 0 ppm or 0 ppt, make sure that the sensor is configured for the correct cell constant.
J
Jody LawsonSep 4, 2025
What does it mean when my Hach Accessories say 'OUTPUTS ON HOLD'?
- S
  Stephanie WagnerSep 4, 2025
  If the Hach Accessories display 'OUTPUTS ON HOLD', the outputs will become active after the selected time period.
L
Leslie HancockSep 6, 2025
What does 'ZERO TOO HIGH' mean on my Hach Accessories?
- K
  kaylalesterSep 6, 2025
  If the Hach Accessories display 'ZERO TOO HIGH' because the zero calibration value is > 500,000 counts, make sure that the sensor is held in air during zero calibration and is not located near radio frequency or electromagnetic interference. Also, ensure that the cable is shielded by metal conduit.
V
Veronica GilbertSep 9, 2025
Why is my Hach Accessories showing 'TEMP TOO HIGH'?
- E
  Eddie DuffySep 9, 2025
  The Hach Accessories display 'TEMP TOO HIGH' because the measured temperature is > 130 °C. To resolve this, make sure that the sensor is configured for the correct temperature element.