horiba U-51 - User Manual

Questions and Answers

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jacksonstephanieAug 13, 2025
What to do if I get a Turbidity sensor wiper motor error on my horiba U-51 Measuring Instruments?
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  Wanda TownsendAug 13, 2025
  If you encounter a turbidity sensor wiper motor error, it indicates that the turbidity sensor wiper is not operating. First, press the ESC key and check for any obstacles near the wiper. Then, attempt the measurement again. If the error continues, the motor likely needs replacement, and you should contact your nearest sales outlet to have the sensor probe repaired.
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James CoxAug 16, 2025
What to do if I get a Probe EEPROM error on my horiba U-51?
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  David CisnerosAug 16, 2025
  If you receive a Probe EEPROM error, it is due to an internal IC failure. First, press the ESC key and redo the operation. If the error persists, turn the power OFF, then restart the system (note that the current data will not be saved). If the error continues, contact your nearest sales outlet to have the display repaired.
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Daniel PayneAug 20, 2025
What to do if I get a Turbidity sensor light source error on my Horiba Measuring Instruments?
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  tlewisAug 20, 2025
  If you encounter a turbidity sensor light source error, it means there is a failure with the turbidity sensor light source. Turn the power OFF, then wipe off any water droplets on the probe. Remove the turbidity sensor and check for water droplets around the turbidity sensor connector, then mount the sensor again. If the error persists, replace the turbidity sensor.
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Kyle KingAug 25, 2025
What causes a Probe capacitor error on horiba U-51 Measuring Instruments?
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  Kevin OlsonAug 25, 2025
  A Probe capacitor error is caused by low battery voltage or internal IC failure. To address this, turn the power OFF and replace the display's batteries. If the error persists, contact your nearest sales outlet to have the sensor probe repaired.
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Richard Andrews MDAug 28, 2025
How to fix Probe EEPROM error/User on horiba U-51 Measuring Instruments?
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  Rebecca AndersonAug 28, 2025
  A Probe EEPROM error/User is caused by an internal IC failure. Turn the power OFF, then restart the system. If the error persists, initialize the system from the 'System' menu. If the error still persists, contact your nearest sales outlet to have the sensor probe repaired.
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jgouldAug 31, 2025
How to fix Probe EEPROM error/Factory on Horiba Measuring Instruments?
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  ssmithAug 31, 2025
  A Probe EEPROM error/Factory is caused by an internal IC failure. Turn the power OFF, then restart the system. If the error persists, initialize the system from the 'System' menu. If the error still persists, contact your nearest sales outlet to have the sensor probe repaired.
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Michelle NealSep 3, 2025
What to do if I get a Probe board error on my horiba U-51 Measuring Instruments?
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  Jonathan BrownSep 4, 2025
  If you encounter a probe board error, it indicates a probe board failure. Turn the power OFF and contact your nearest sales outlet to have the sensor probe repaired.
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coreybrownSep 8, 2025
What causes a Probe ADC error on horiba U-51?
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  lucasmatthewSep 8, 2025
  A Probe ADC error is caused by an internal IC failure. Contact your nearest sales outlet to have the sensor probe repaired.